{"title":"Ogniwa 18650, 21700 i LiFePO4","description":"\u003cp\u003eOryginalne ogniwa litowo-jonowe 18650 i 21700 oraz pryzmatyczne ogniwa LiFePO4 od sprawdzonych producentów: Samsung SDI, Molicel, EVE Energy i LG. Dobierzesz tu ogniwa wysokoprądowe do elektronarzędzi i pakietów e-bike, wysokoenergetyczne do rowerów i hulajnóg elektrycznych oraz ogniwa LiFePO4 do magazynów energii, instalacji off-grid, kamperów i łodzi.\u003c\/p\u003e\u003cp\u003ePotrzebujesz większej ilości? Większość modeli dostarczamy w ilościach hurtowych. Sprawdź \u003ca href=\"\/en-eu\/pages\/ogniwa-hurt\"\u003esprzedaż hurtową ogniw\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"ogniwa-li-ion-18650-eve-icr18650-26v-2550mah-7-5a-30-100-szt","title":"18650 Li-Ion EVE ICR18650\/26V 2550mAh 7.5A Cells","description":"\u003cdiv class=\"row product-description-row\"\u003e\n\u003cdiv class=\"col-md-2 product-icon\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-md-10 product-text\"\u003e\n\u003ch2\u003eNew EVE ICR18650\/26V cells\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eModel: ICR18650-26V\u003c\/li\u003e\n\u003cli\u003eManufacturer: EVE\u003c\/li\u003e\n\u003cli\u003eAbbreviated name: 26V\u003c\/li\u003e\n\u003cli\u003eCapacity: 2550mAh\u003c\/li\u003e\n\u003cli\u003eSize: 18650\u003c\/li\u003e\n\u003cli\u003eCell condition: new\u003c\/li\u003e\n\u003cli\u003eCurrent output: 7.5A\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row product-description-row\"\u003e\n\u003cdiv class=\"col-md-2 product-icon\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-md-10 product-text\"\u003e\n\u003ch3\u003eRobust EVE battery cells\u003c\/h3\u003e\n\u003cp\u003eThe batteries provide up to 1000 charging cycles, depending on storage conditions. This means you can use them for a long time without frequent replacements, saving both time and money.\u003c\/p\u003e\n\u003cp\u003eThese battery cells are also used in City Lion's proprietary batteries for electric vehicles. The low failure rate of these cells ensures trouble-free operation and minimizes the risk of our batteries failing, which translates into many years of trust from our customers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"EVE","offers":[{"title":"Default Title","offer_id":58046203134277,"sku":null,"price":6.9,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7812\/2565\/files\/cd6fadc819d2980a3dcf46186383be64_bd8261a7-1b6f-4f27-8cfa-c91c2f4dc196.jpg?v=1779638553"},{"product_id":"samsung-inr21700-53g-5300-mah-15a-oryginalne-ogniwo-samsung-sdi","title":"Samsung INR21700-53G 5300 mAh 15A, original Samsung SDI cell","description":"\u003ch2\u003eSamsung INR21700-53G: 5300 mAh 15A, original Samsung SDI cell\u003c\/h2\u003e\n\u003cp\u003eAre you looking for a cell with one of the largest capacities in the 21700 format? The Samsung 53G is a proven choice for building battery packs where range matters: electric bikes, scooters, power banks, and energy storage systems.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Samsung 53G?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e5300 mAh capacity\u003c\/strong\u003e: one of the highest values available in the generally accessible 21700 format. More mAh in the pack = greater range without increasing the number of cells.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOriginal Samsung SDI cells\u003c\/strong\u003e: manufactured by Samsung SDI, one of the three largest lithium-ion cell manufacturers in the world. No clones, no rebrands.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent quality batch after batch\u003c\/strong\u003e: industrial cells with full quality control. This is not a market with \"declared capacity\"; here you get what's on the label.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical parameters\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eINR21700-53G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSamsung SDI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFormat\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e21700 (21 mm × 70 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5300 mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.6 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharging voltage (max)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.2 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCut-off voltage (min)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContinuous discharge current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.6 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard charging current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.45 A (CC\/CV)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~70 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChemistry\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNMC (Lithium-Nickel-Manganese-Cobalt)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eWhat is it suitable for?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePacks for \u003cstrong\u003eelectric bicycles\u003c\/strong\u003e (e-bike): 21700 format and high capacity are an ideal combination for 10S, 13S, 14S configurations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric scooters\u003c\/strong\u003e and single-track vehicles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIY power banks\u003c\/strong\u003e with high capacity\u003c\/li\u003e\n\u003cli\u003eSmall power \u003cstrong\u003eUPS and energy storage systems\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eAny projects requiring a high-energy cell in a compact format\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eAn energy cell, not a power cell: ideal where range is important, not peak discharge current. If you are building a pack requiring above 10–15A continuous current per cell, ask us about suitable alternatives.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eYou are buying an original\u003c\/h3\u003e\n\u003cp\u003eThere are many cells with \"sky-high capacity\" on the market. The Samsung 53G we offer comes from an authorized Samsung SDI supply chain. We check batches before shipping. We do not deal in fakes or reclaimed cells.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eDo you have a question before ordering?\u003c\/strong\u003e Write to us: we will help you choose the pack configuration for your project.\u003c\/p\u003e","brand":"SAMSUNG","offers":[{"title":"Default Title","offer_id":58046203560261,"sku":null,"price":14.9,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7812\/2565\/files\/pol_pl_Samsung-INR21700-53G-5300mAh-15A-nowe-ogniwo-li-ion-21700-zestaw-10szt-9991_1.webp?v=1779638556"},{"product_id":"ogniwo-z-demontazu-bezcyklowe-lg-m58t-inr21700-m58t-5800mah-12-5a","title":"Cell from disassembly (Cycless) LG M58T INR21700-M58T 5800mAh 12.5A","description":"\u003ch2\u003eWhat is the LG M58T INR21700 cell used for?\u003c\/h2\u003e\n\u003cp\u003eThe LG INR21700-M58T (M58T) cell is currently one of the \u003cstrong\u003ehighest capacity 21700 standard cells\u003c\/strong\u003e. With a capacity of 5800 mAh and a maximum discharge current of 12.5 A, it is perfect for applications where range and long operating time are a priority:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e? Electric bicycles (e-bike)\u003c\/strong\u003e – 36 V and 48 V packs. 10S2P pack (20 cells) = ~418 Wh, range up to 40+ km.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e? Electric scooters\u003c\/strong\u003e – high capacity with low pack weight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e? Renewable energy storage (ESS)\u003c\/strong\u003e – photovoltaic energy buffering systems, operating range from −20°C to 60°C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e? Tactical and outdoor flashlights\u003c\/strong\u003e – long operating time, wide temperature range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e?️ DIY battery packs\u003c\/strong\u003e – a popular choice for custom 21700 nS\/mP projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e♻️ E-mobility battery regeneration\u003c\/strong\u003e – replacing worn-out cells with higher capacity ones.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe cells come from dismantling, which means they may show traces of welds. However, these are zero-cycle cells – they have never been used, and their technical specifications fully correspond to brand new products.\u003c\/p\u003e\n\u003cp\u003eIn our assortment, we also have brand new cells, which can be found in the \"Cells\" tab.\u003c\/p\u003e\n\u003ch2\u003eTechnical specification of LG INR21700-M58T\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eINR21700-M58T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTechnology\u003c\/th\u003e\n\u003ctd\u003eLi-Ion NMC+ (Li(Mn,Ni,Co,Al)O₂)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFormat\u003c\/th\u003e\n\u003ctd\u003e21700 (⌀21.4 mm × 70.5 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNominal capacity\u003c\/th\u003e\n\u003ctd\u003e\u003cstrong\u003e5800 mAh\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMinimum capacity\u003c\/th\u003e\n\u003ctd\u003e5570 mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMinimum energy\u003c\/th\u003e\n\u003ctd\u003e20.0 Wh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNominal voltage\u003c\/th\u003e\n\u003ctd\u003e3.59 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax. charging voltage\u003c\/th\u003e\n\u003ctd\u003e4.20 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut-off voltage\u003c\/th\u003e\n\u003ctd\u003e2.50 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStandard charging current\u003c\/th\u003e\n\u003ctd\u003e1120 mA (CC-CV)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax. charging current\u003c\/th\u003e\n\u003ctd\u003e2700 mA (4.20 V) · 5000 mA (4.0 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax. continuous discharge current\u003c\/th\u003e\n\u003ctd\u003e\n\u003cstrong\u003e12.5 A\u003c\/strong\u003e (0–35°C) · 10 A (35–45°C) · 7.5 A (45–60°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePulse discharge current\u003c\/th\u003e\n\u003ctd\u003e15 A (15 s, 0–60°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating temp. – charging\u003c\/th\u003e\n\u003ctd\u003e0°C to 50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating temp. – discharging\u003c\/th\u003e\n\u003ctd\u003e−20°C to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCycle life\u003c\/th\u003e\n\u003ctd\u003e≥80% capacity after 500 cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e73 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProtection\u003c\/th\u003e\n\u003ctd\u003eUnprotected – requires BMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCertificates\u003c\/th\u003e\n\u003ctd\u003eUN38.3, UL1642, IEC\/UL62133-2, CB, PSE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eLG M58T vs competition – which one to choose?\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCell\u003c\/th\u003e\n\u003cth\u003eCapacity\u003c\/th\u003e\n\u003cth\u003eMax. current\u003c\/th\u003e\n\u003cth\u003eFor whom?\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLG M58T INR21700 ← This product\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e5800 mAh\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12.5 A\u003c\/td\u003e\n\u003ctd\u003eE-bike, ESS – max range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/citylion.pl\/ogniwa-samsung-inr21700-50s-4900mah-50s-35a\/\"\u003eSamsung 50S INR21700\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e4900 mAh\u003c\/td\u003e\n\u003ctd\u003e35 A\u003c\/td\u003e\n\u003ctd\u003ePower tools, high current\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/citylion.pl\/ogniwa-bak-21700cg-50-5000mah-10a\/\"\u003eBAK 21700CG-50\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e5000 mAh\u003c\/td\u003e\n\u003ctd\u003e15 A\u003c\/td\u003e\n\u003ctd\u003eESS, moderate current\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/citylion.pl\/ogniwo-eve-inr21700-40p-4000mah-40a-91-m%CF%89\/\"\u003eEVE INR21700-40P\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e4000 mAh\u003c\/td\u003e\n\u003ctd\u003e40 A\u003c\/td\u003e\n\u003ctd\u003eEV high-drain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/citylion.pl\/ogniwo-li-ion-18650-samsung-inr18650-35e-3500mah-8a-nowe\/\"\u003eSamsung 35E INR18650\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e3500 mAh\u003c\/td\u003e\n\u003ctd\u003e8 A\u003c\/td\u003e\n\u003ctd\u003e18650 format, low current\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eConclusion:\u003c\/strong\u003e If maximum range at currents up to 12.5 A is a priority – the LG M58T is unrivaled in the 21700 standard.\u003c\/p\u003e\n\u003ch2\u003eDo you need a ready-made battery instead of cells?\u003c\/h2\u003e\n\u003cp\u003eThe LG M58T cell is a great choice for building your own pack. However, if you are looking for a ready-made solution – check out our batteries:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/citylion.pl\/baterie\/bateria-do-roweru-elektrycznego\/\"\u003eElectric bicycle batteries\u003c\/a\u003e – ready-made 36V and 48V packs for e-bikes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/citylion.pl\/baterie\/dodatkowe\/\"\u003eAdditional range-extending batteries\u003c\/a\u003e – external packs for scooters and e-bikes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/citylion.pl\/baterie\/podestowe\/\"\u003eReplacement deck batteries\u003c\/a\u003e – replacements for popular electric scooters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSafety – important before use\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e⚠️ \u003cstrong\u003eUnprotected cell\u003c\/strong\u003e – always use a BMS in the pack\u003c\/li\u003e\n\u003cli\u003e⚠️ Do not exceed charging voltage of 4.20 V\u003c\/li\u003e\n\u003cli\u003e⚠️ Do not discharge below 2.50 V\u003c\/li\u003e\n\u003cli\u003e⚠️ Charge on a fireproof surface, do not leave unattended\u003c\/li\u003e\n\u003cli\u003e⚠️ Dispose of according to WEEE regulations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv id=\"rank-math-rich-snippet-wrapper\"\u003e\n\u003cdiv id=\"rank-math-faq\" class=\"rank-math-block\"\u003e\n\u003cdiv class=\"rank-math-list \"\u003e\n\u003cdiv id=\"faq-1\" class=\"rank-math-list-item\"\u003e\n\u003ch3 class=\"rank-math-question \"\u003eWhat is the voltage of the LG M58T cell?\u003c\/h3\u003e\n\u003cdiv class=\"rank-math-answer \"\u003e\n\u003cp\u003eNominal voltage: 3.59 V. Max. charging voltage: 4.20 V. Cut-off voltage: 2.50 V. Compatible with devices for 3.6–3.7 V cells.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"faq-2\" class=\"rank-math-list-item\"\u003e\n\u003ch3 class=\"rank-math-question \"\u003eHow many LG M58T cells do I need for an e-bike?\u003c\/h3\u003e\n\u003cdiv class=\"rank-math-answer \"\u003e\n\u003cp\u003e36V 10S2P = 20 cells (~418 Wh, range ~40 km). 48V 13S2P = 26 cells (~557 Wh). 48V 13S4P = 52 cells (~1114 Wh, range 80–100 km).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"faq-3\" class=\"rank-math-list-item\"\u003e\n\u003ch3 class=\"rank-math-question \"\u003eWhat is the difference between LG M58T and Samsung 50E?\u003c\/h3\u003e\n\u003cdiv class=\"rank-math-answer \"\u003e\n\u003cp\u003eLG M58T has higher capacity (5800 vs 4930 mAh) and higher max. discharge current (12.5 vs 10 A). A better choice where pack range is key.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"faq-4\" class=\"rank-math-list-item\"\u003e\n\u003ch3 class=\"rank-math-question \"\u003eHow long does it take to charge an LG M58T cell?\u003c\/h3\u003e\n\u003cdiv class=\"rank-math-answer \"\u003e\n\u003cp\u003eAt 1120 mA – approx. 5.5–6 hours. With fast charging at 2700 mA – approx. 2.5 hours. CC-CV charger with 4.20 V cut-off required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"faq-5\" class=\"rank-math-list-item\"\u003e\n\u003ch3 class=\"rank-math-question \"\u003eIs the LG M58T cell original?\u003c\/h3\u003e\n\u003cdiv class=\"rank-math-answer \"\u003e\n\u003cp\u003eYes. CityLion sells only factory cells from certified distributors. UN38.3 and UL1642 certificates are available upon request.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"faq-6\" class=\"rank-math-list-item\"\u003e\n\u003ch3 class=\"rank-math-question \"\u003eDo you ship Li-Ion cells abroad?\u003c\/h3\u003e\n\u003cdiv class=\"rank-math-answer \"\u003e\n\u003cp\u003eYes, we ship throughout Europe. Shipments packed in accordance with ADR\/IATA Class 9. Delivery 2–5 business days.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"LG","offers":[{"title":"Default Title","offer_id":58046203691333,"sku":null,"price":13.9,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7812\/2565\/files\/pol_pl_LG-INR21700-M58T-5800mAh-akumulator-najwydajniejsze-ogniwa-Li-Ion-21700-o-Wysokiej-Pojemnosci-zestaw-10szt-9981_3.jpg?v=1779638560"},{"product_id":"ogniwa-samsung-30q-inr18650-30q-3000mah-15a","title":"Samsung 30Q INR18650-30Q 3000mAh 15A Cells","description":"\u003ch1 data-pm-slice=\"0 0 []\"\u003eSamsung INR18650-30Q: High-performance 18650 Li-Ion cell with 3000mAh capacity and 15A current\u003c\/h1\u003e\n\u003ch2\u003eIntroduction\u003c\/h2\u003e\n\u003cp\u003eThe Samsung INR18650-30Q is one of the most popular 18650-class lithium-ion cells, combining high capacity with a robust maximum discharge current. It offers reliability and stable performance, making it an excellent choice for applications requiring long operating times on a single charge and high current efficiency.\u003c\/p\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh capacity of 3000mAh\u003c\/strong\u003e – long-lasting power for demanding devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePartially high-current characteristics\u003c\/strong\u003e – maximum discharge current is 15A.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStable nominal voltage of 3.6V\u003c\/strong\u003e – ensures uniform power output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnprotected\u003c\/strong\u003e – allows the cell to be used in kits managed by external BMS systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong lifespan\u003c\/strong\u003e – optimized for extended charge and discharge cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical specification\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSamsung INR18650-30Q\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCell type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLithium-ion (Li-Ion)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3000mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum discharge current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDischarge cut-off voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum charging voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18.33mm × 64.85mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e48g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSouth Korea, Malaysia, or China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eThanks to its technical parameters, the Samsung INR18650-30Q is used in many sectors requiring reliable cells with high efficiency. Here are the most important areas of its use:\u003c\/p\u003e\n\u003ch3\u003ePower tools\u003c\/h3\u003e\n\u003cp\u003eThe strong and stable discharge current makes this cell suitable for powering drills, grinders, cordless saws, and other electric tools where high-intensity energy delivery is required.\u003c\/p\u003e\n\u003ch3\u003eElectric scooters and bicycles\u003c\/h3\u003e\n\u003cp\u003eIn battery packs used in electric vehicles, such as scooters and bicycles, Samsung INR18650-30Q cells offer solid parameters in terms of capacity and efficiency, ensuring long riding times on a single charge.\u003c\/p\u003e\n\u003ch3\u003eE-cigarettes and vaporizers\u003c\/h3\u003e\n\u003cp\u003eThe stable voltage curve of the cell makes it a choice for e-cigarette and vaporizer users, guaranteeing efficient operation and adequate working time.\u003c\/p\u003e\n\u003ch3\u003eFlashlights and LED lighting\u003c\/h3\u003e\n\u003cp\u003eHigh-power flashlights and LED lighting systems require high-capacity cells to ensure long operation without needing to be recharged. The INR18650-30Q perfectly meets these requirements.\u003c\/p\u003e\n\u003ch3\u003eEnergy storage systems\u003c\/h3\u003e\n\u003cp\u003eThese cells can be combined into packs to build power banks used in energy storage systems, including home solar installations and UPS devices.\u003c\/p\u003e\n\u003ch2\u003eHow to properly operate the Samsung INR18650-30Q cell?\u003c\/h2\u003e\n\u003cp\u003eTo ensure a long lifespan and safe operation of the cell, several rules must be followed:\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo not short-circuit the terminals\u003c\/strong\u003e – this can lead to cell damage and the risk of overheating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvoid overheating\u003c\/strong\u003e – excessive temperature negatively affects cell parameters and can shorten its lifespan.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse dedicated chargers\u003c\/strong\u003e – using inappropriate devices can damage the cell or affect its safety.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStore in a dry and cool place\u003c\/strong\u003e – excessive moisture or high temperatures can lead to cell degradation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSummary\u003c\/h2\u003e\n\u003cp\u003eThe Samsung INR18650-30Q is one of the most versatile lithium-ion cells available on the market, combining high capacity with solid current performance. Its wide application in power tools, electric vehicles, flashlights, and energy storage systems makes it a choice for both professionals and technology enthusiasts. By following appropriate operating principles, a long cell lifespan and maximum efficiency of its operation can be ensured.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"SAMSUNG","offers":[{"title":"Default Title","offer_id":58046204084549,"sku":null,"price":13.9,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7812\/2565\/files\/pol_pl_Samsung-INR18650-30Q-nowe-ogniwo-li-ion-akumulator-18650-30Q3000mAh-15A-zestaw-10szt-9949_3.jpg?v=1779638561"},{"product_id":"samsung-inr21700-50e-5000-mah-10a-oryginalne-ogniwo-samsung-sdi","title":"Samsung INR21700-50E 5000 mAh 10A, genuine Samsung SDI cell","description":"\u003ch2\u003eSamsung INR21700-50E: 5000 mAh, genuine Samsung SDI cell\u003c\/h2\u003e\n\u003cp\u003eThe Samsung 50E is one of the most popular 21700 cells in the world, and for good reason. 5000 mAh capacity, proven NMC chemistry, and the Samsung SDI name behind it make it a staple in e-bike packs, power banks, and energy storage systems globally. If you're looking for a proven cell with real capacity, you won't guess it here.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Samsung 50E?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e5000 mAh: confirmed capacity\u003c\/strong\u003e, not \"up to 5000\", not \"approx. 5000\". Samsung SDI produces with precision and full quality control. You buy what's on the label.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Samsung SDI cells\u003c\/strong\u003e: Samsung SDI is one of the three largest Li-ion cell manufacturers in the world. The 50E is a mass-produced product from an authorized supply chain: no clones, no \"rebrands\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProven in hundreds of thousands of packs\u003c\/strong\u003e: The 50E has been a reference standard in DIY projects and small-batch production for years. A vast knowledge base, ready-made configurations, known discharge characteristics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical parameters\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eINR21700-50E\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSamsung SDI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFormat\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e21700 (21 mm × 70 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5000 mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.6 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharging Voltage (max)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.2 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCut-off Voltage (min)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContinuous Discharge Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.8 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard Charging Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.4 A (CC\/CV)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~68 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChemistry\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNMC (Lithium-Nickel-Manganese-Cobalt)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eWhat is it suitable for?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric bicycles (e-bike)\u003c\/strong\u003e: The 50E is one of the most commonly used formats in 10S, 13S, and 14S packs. Proven discharge characteristics and broad support in popular BMSs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric scooters and single-track vehicles\u003c\/strong\u003e: a good compromise between capacity and size.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIY high-capacity power banks\u003c\/strong\u003e: with a 4P configuration, that's already 20,000 mAh in four cells.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPS systems and small to medium power energy storage\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eEnergy cell: optimized for capacity and range, not for peak current. If your project requires over 10–15 A continuous current per cell, please contact us before purchasing.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e50E or 53G? A brief comparison\u003c\/h3\u003e\n\u003cp\u003eIf you're wondering between these two models: the \u003cstrong\u003e53G offers 5300 mAh\u003c\/strong\u003e (+6% capacity), which can translate into a noticeable difference in range for large packs. The \u003cstrong\u003e50E is more popular\u003c\/strong\u003e: it's easier to find ready-made projects, configurations, and BMS schemes optimized for this particular cell. Both are Samsung SDI products of the same quality class.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eYou are buying the original\u003c\/h3\u003e\n\u003cp\u003eThe 50E is one of the most counterfeited models on the market: its high popularity attracts cheap clones with exaggerated parameters. The cells we offer come from an authorized Samsung SDI supply chain. We check batches before shipping. We do not deal in fakes or reclaimed cells.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eHave a question before ordering?\u003c\/strong\u003e Write to us: we'll help you choose the right pack configuration for your project.\u003c\/p\u003e","brand":"SAMSUNG","offers":[{"title":"Default Title","offer_id":58046204215621,"sku":null,"price":15.79,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7812\/2565\/files\/pol_pl_Samsung-INR21700-50E-4930mAh-10A-nowe-ogniwo-li-ion-21700-zestaw-10szt-6079_5_1e492026-d092-4b64-bdea-905c3c8c3199.jpg?v=1779638564"},{"product_id":"ogniwo-lg-m58t-inr21700-m58t-5800mah-12-5a-najwyzsza-pojemnosc-21700","title":"LG M58T INR21700-M58T 5800mAh 12.5A Cell | Highest Capacity 21700","description":"\u003ch2\u003eWhat is the LG M58T INR21700 cell used for?\u003c\/h2\u003e\n\u003cp\u003eThe LG INR21700-M58T (M58T) cell is currently one of the \u003cstrong\u003ehighest-capacity 21700 standard cells\u003c\/strong\u003e. With a capacity of 5800 mAh and a maximum discharge current of 12.5 A, it is ideal wherever range and long operating time are a priority:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e? Electric bicycles (e-bike)\u003c\/strong\u003e – 36 V and 48 V packs. A 10S2P pack (20 cells) = ~418 Wh, range up to 40+ km.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e? Electric scooters\u003c\/strong\u003e – high capacity with low pack weight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e? Renewable energy storage (ESS)\u003c\/strong\u003e – photovoltaic energy buffering systems, operating range −20°C to 60°C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e? Tactical and outdoor flashlights\u003c\/strong\u003e – long operating time, wide temperature range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e?️ DIY battery packs\u003c\/strong\u003e – a popular choice for custom 21700 nS\/mP projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e♻️ E-mobility battery regeneration\u003c\/strong\u003e – replacing worn-out cells with higher capacity ones.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eLG INR21700-M58T Technical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eINR21700-M58T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTechnology\u003c\/th\u003e\n\u003ctd\u003eLi-Ion NMC+ (Li(Mn,Ni,Co,Al)O₂)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFormat\u003c\/th\u003e\n\u003ctd\u003e21700 (⌀21.4 mm × 70.5 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNominal capacity\u003c\/th\u003e\n\u003ctd\u003e\u003cstrong\u003e5800 mAh\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMinimum capacity\u003c\/th\u003e\n\u003ctd\u003e5570 mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMinimum energy\u003c\/th\u003e\n\u003ctd\u003e20.0 Wh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNominal voltage\u003c\/th\u003e\n\u003ctd\u003e3.59 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax. charging voltage\u003c\/th\u003e\n\u003ctd\u003e4.20 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut-off voltage\u003c\/th\u003e\n\u003ctd\u003e2.50 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStandard charging current\u003c\/th\u003e\n\u003ctd\u003e1120 mA (CC-CV)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax. charging current\u003c\/th\u003e\n\u003ctd\u003e2700 mA (4.20 V) · 5000 mA (4.0 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax. continuous discharge current\u003c\/th\u003e\n\u003ctd\u003e\n\u003cstrong\u003e12.5 A\u003c\/strong\u003e (0–35°C) · 10 A (35–45°C) · 7.5 A (45–60°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePulse discharge current\u003c\/th\u003e\n\u003ctd\u003e15 A (15 s, 0–60°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating temp. – charging\u003c\/th\u003e\n\u003ctd\u003e0°C to 50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating temp. – discharging\u003c\/th\u003e\n\u003ctd\u003e−20°C to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCycle life\u003c\/th\u003e\n\u003ctd\u003e≥80% capacity after 500 cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e73 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProtection\u003c\/th\u003e\n\u003ctd\u003eUnprotected – requires BMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCertifications\u003c\/th\u003e\n\u003ctd\u003eUN38.3, UL1642, IEC\/UL62133-2, CB, PSE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eLG M58T vs competition – which one to choose?\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCell\u003c\/th\u003e\n\u003cth\u003eCapacity\u003c\/th\u003e\n\u003cth\u003eMax. current\u003c\/th\u003e\n\u003cth\u003eFor whom?\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLG M58T INR21700 ← This product\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e5800 mAh\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12.5 A\u003c\/td\u003e\n\u003ctd\u003eE-bike, ESS – max range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/citylion.pl\/ogniwa-samsung-inr21700-50s-4900mah-50s-35a\/\"\u003eSamsung 50S INR21700\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e4900 mAh\u003c\/td\u003e\n\u003ctd\u003e35 A\u003c\/td\u003e\n\u003ctd\u003ePower tools, high current\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/citylion.pl\/ogniwa-bak-21700cg-50-5000mah-10a\/\"\u003eBAK 21700CG-50\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e5000 mAh\u003c\/td\u003e\n\u003ctd\u003e15 A\u003c\/td\u003e\n\u003ctd\u003eESS, moderate current\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/citylion.pl\/ogniwo-eve-inr21700-40p-4000mah-40a-91-m%CF%89\/\"\u003eEVE INR21700-40P\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e4000 mAh\u003c\/td\u003e\n\u003ctd\u003e40 A\u003c\/td\u003e\n\u003ctd\u003eEV high-drain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/citylion.pl\/ogniwo-li-ion-18650-samsung-inr18650-35e-3500mah-8a-nowe\/\"\u003eSamsung 35E INR18650\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e3500 mAh\u003c\/td\u003e\n\u003ctd\u003e8 A\u003c\/td\u003e\n\u003ctd\u003e18650 format, low current\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eConclusion:\u003c\/strong\u003e If maximum range at currents up to 12.5 A is a priority – the LG M58T is unrivalled in the 21700 standard.\u003c\/p\u003e\n\u003ch2\u003eDo you need a ready-made battery instead of cells?\u003c\/h2\u003e\n\u003cp\u003eThe LG M58T cell is a great choice for building your own pack. However, if you are looking for a ready-made solution – check out our batteries:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/citylion.pl\/baterie\/bateria-do-roweru-elektrycznego\/\"\u003eElectric bicycle batteries\u003c\/a\u003e – ready-made 36V and 48V packs for e-bikes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/citylion.pl\/baterie\/dodatkowe\/\"\u003eAdditional range-extending batteries\u003c\/a\u003e – external packs for scooters and e-bikes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/citylion.pl\/baterie\/podestowe\/\"\u003eDeck-mounted replacement batteries\u003c\/a\u003e – replacements for popular electric scooters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSafety – important before use\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e⚠️ \u003cstrong\u003eUnprotected cell\u003c\/strong\u003e – always use a BMS in the pack\u003c\/li\u003e\n\u003cli\u003e⚠️ Do not exceed charging voltage of 4.20 V\u003c\/li\u003e\n\u003cli\u003e⚠️ Do not discharge below 2.50 V\u003c\/li\u003e\n\u003cli\u003e⚠️ Charge on a fire-resistant surface, do not leave unattended\u003c\/li\u003e\n\u003cli\u003e⚠️ Dispose of in accordance with WEEE regulations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv id=\"rank-math-rich-snippet-wrapper\"\u003e\n\u003cdiv id=\"rank-math-faq\" class=\"rank-math-block\"\u003e\n\u003cdiv class=\"rank-math-list \"\u003e\n\u003cdiv id=\"faq-1\" class=\"rank-math-list-item\"\u003e\n\u003ch3 class=\"rank-math-question \"\u003eWhat is the voltage of the LG M58T cell?\u003c\/h3\u003e\n\u003cdiv class=\"rank-math-answer \"\u003e\n\u003cp\u003eNominal voltage: 3.59 V. Max. charging voltage: 4.20 V. Cut-off voltage: 2.50 V. Compatible with devices for 3.6–3.7 V cells.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"faq-2\" class=\"rank-math-list-item\"\u003e\n\u003ch3 class=\"rank-math-question \"\u003eHow many LG M58T cells do I need for an e-bike?\u003c\/h3\u003e\n\u003cdiv class=\"rank-math-answer \"\u003e\n\u003cp\u003e36V 10S2P = 20 cells (~418 Wh, range ~40 km). 48V 13S2P = 26 cells (~557 Wh). 48V 13S4P = 52 cells (~1114 Wh, range 80–100 km).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"faq-3\" class=\"rank-math-list-item\"\u003e\n\u003ch3 class=\"rank-math-question \"\u003eHow does the LG M58T differ from the Samsung 50E?\u003c\/h3\u003e\n\u003cdiv class=\"rank-math-answer \"\u003e\n\u003cp\u003eThe LG M58T has a higher capacity (5800 vs 4930 mAh) and a higher max. discharge current (12.5 vs 10 A). A better choice where pack range is key.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"faq-4\" class=\"rank-math-list-item\"\u003e\n\u003ch3 class=\"rank-math-question \"\u003eHow long does an LG M58T cell take to charge?\u003c\/h3\u003e\n\u003cdiv class=\"rank-math-answer \"\u003e\n\u003cp\u003eAt 1120 mA – approx. 5.5–6 hours. At fast charging 2700 mA – approx. 2.5 hours. A CC-CV charger with a 4.20 V cut-off is required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"faq-5\" class=\"rank-math-list-item\"\u003e\n\u003ch3 class=\"rank-math-question \"\u003eIs the LG M58T cell original?\u003c\/h3\u003e\n\u003cdiv class=\"rank-math-answer \"\u003e\n\u003cp\u003eYes. CityLion only sells factory cells from certified distributors. Upon request, we provide UN38.3 and UL1642 certificates.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"faq-6\" class=\"rank-math-list-item\"\u003e\n\u003ch3 class=\"rank-math-question \"\u003eDo you ship Li-Ion cells abroad?\u003c\/h3\u003e\n\u003cdiv class=\"rank-math-answer \"\u003e\n\u003cp\u003eYes, we ship throughout Europe. Shipments are packaged in accordance with ADR\/IATA Class 9. Delivery 2–5 business days.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"LG","offers":[{"title":"Default Title","offer_id":58046205329733,"sku":null,"price":15.49,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7812\/2565\/files\/pol_pl_LG-INR21700-M58T-5800mAh-akumulator-najwydajniejsze-ogniwa-Li-Ion-21700-o-Wysokiej-Pojemnosci-zestaw-10szt-9981_2.jpg?v=1779638566"},{"product_id":"ogniwo-samsung-35e-inr-18650-3450mah-8a-nowe","title":"Samsung 35E INR 18650 3450mAh 8A Cell","description":"\u003cp\u003e\u003cstrong\u003eThe Samsung INR18650-35E is one of the best 18650 cells on the market\u003c\/strong\u003e: combining the highest capacity in its class (3500 mAh) with a robust discharge current of 8A continuous \/ 13A pulse. New, original Samsung SDI cell, unused, from current production, not refurbished.\u003c\/p\u003e\n\n\u003cp\u003eIdeal for building battery packs, electric bikes, scooters, high-power flashlights, and DIY projects.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Data\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSamsung SDI\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eINR18650-35E\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eType \/ Size\u003c\/th\u003e\n\u003ctd\u003e18650\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eChemistry\u003c\/th\u003e\n\u003ctd\u003eLi-Ion\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eEAN \/ GTIN\u003c\/th\u003e\n\u003ctd\u003e5907621900625\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eMaximum Voltage\u003c\/th\u003e\n\u003ctd\u003e4.2 V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eNominal Voltage\u003c\/th\u003e\n\u003ctd\u003e3.6 V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eInternal Resistance\u003c\/th\u003e\n\u003ctd\u003e\u0026lt; 20 mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e54 g\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eContinuous Discharge Current\u003c\/th\u003e\n\u003ctd\u003e8 A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhy Samsung 35E?\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHighest capacity in the 18650 class\u003c\/strong\u003e: 3500 mAh is the upper limit for this chemistry and size. More capacity = longer e-bike range, more hours of flashlight operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow internal resistance\u003c\/strong\u003e: below 20 mΩ. Minimal heat loss, the cell delivers energy efficiently.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProven manufacturer\u003c\/strong\u003e: Samsung SDI is one of the three largest manufacturers of cylindrical cells globally.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUp to 1000 charging cycles\u003c\/strong\u003e: with proper use and a good BMS, the cell retains over 80% capacity after 500 cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectric bicycles (e-bike)\u003c\/strong\u003e: 36V, 48V, 52V packs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectric scooters\u003c\/strong\u003e: high-capacity packs, long range\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-power flashlights and headlamps\u003c\/strong\u003e: long illumination time\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY Power Banks\u003c\/strong\u003e: custom USB chargers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPS systems and energy storage\u003c\/strong\u003e: off-grid installations, powerwall\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e⚠️ \u003cstrong\u003eNote:\u003c\/strong\u003e The Samsung 35E has a continuous current of 8A. If you need above 15-20A (aggressive e-bikes, high-load tools), consider the Samsung 25R or Samsung 30Q.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eLooking for a cheaper alternative with similar capacity?\u003c\/strong\u003e In our comparison \u003ca href=\"\/en-eu\/blogs\/news\/samsung-35e-vs-tenpower-35he-zaciekly-pojedynek\"\u003eSamsung 35E vs Tenpower 35HE\u003c\/a\u003e we look at when the Samsung's slightly higher capacity matters and when the Tenpower's higher current and faster charging win. With calculations for a 13S4P pack.\u003c\/p\u003e\n\n\u003cp\u003eThe cell does not have a built-in PCM\/PCB system: it is intended for integration into packs with an external BMS system that protects against overcharging (\u0026gt;4.2V), over-discharging (\u0026lt;2.65V), and short circuits.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eIs this a new cell?\u003c\/h3\u003e\n\u003cp\u003eYes, these are new, unused cells from current Samsung SDI production.\u003c\/p\u003e\n\n\u003ch3\u003eWhat is the real capacity of the Samsung 35E?\u003c\/h3\u003e\n\u003cp\u003eThe typical capacity is 3500 mAh, the minimum guaranteed is 3350 mAh. The difference results from manufacturing tolerances; in practice, you purchase a cell close to the nominal value.\u003c\/p\u003e\n\n\u003ch3\u003eIs the Samsung 35E suitable for an electric bicycle?\u003c\/h3\u003e\n\u003cp\u003eYes, it is one of the most popular cells for DIY e-bike packs of 36V and 48V. The continuous current of 8A and pulse current of 13A will work well for bicycles with power up to approximately 500-700W.\u003c\/p\u003e\n\n\u003ch3\u003eHow many cycles will the Samsung 35E last?\u003c\/h3\u003e\n\u003cp\u003eWith standard use (discharge to 2.75V, charge to 4.2V), up to 500 cycles with capacity above 80%. With deeper discharge or fast charging, the number of cycles decreases.\u003c\/p\u003e\n\n\u003ch3\u003eHow to charge the Samsung 35E?\u003c\/h3\u003e\n\u003cp\u003eCC\/CV charger with a final voltage of 4.2V and current up to 2A. Do not charge the cell unattended or outside an appropriate container.\u003c\/p\u003e\u003ch2\u003eManufacturer documentation\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0979\/7812\/2565\/files\/Samsung-INR18650-35E-datasheet.pdf\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003eDownload the datasheet: Samsung INR18650-35E (PDF)\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003eWhen planning your pack, also compare \u003ca href=\"\/en-eu\/collections\/ogniwa-18650-auto\"\u003eother cells in this format\u003c\/a\u003e and see our \u003ca href=\"\/en-eu\/blogs\/news\/ogniwo-18650-czy-21700-ktore-wybrac-przewodnik-z-obliczeniami-2026\"\u003e18650 vs 21700 guide\u003c\/a\u003e.\u003c\/p\u003e","brand":"SAMSUNG","offers":[{"title":"Default Title","offer_id":58046205493573,"sku":null,"price":9.99,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7812\/2565\/files\/4ddad90baa6791a05b91be18b76b8ad4_df9958ca-9379-4b2d-bf73-a88517a2595e.jpg?v=1779638568"},{"product_id":"ogniwo-eve-inr21700-40p-4000mah-40a-9-1-mω","title":"EVE INR21700-40P cell 4000mAh 40A 9.1mΩ","description":"\u003ch3\u003e\u003cstrong\u003eEVE INR21700-40P – Exceptional High-Current Cell for Professional Applications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eEVE INR21700-40P\u003c\/strong\u003e cell is an excellent solution for devices requiring high performance and reliability. With a capacity of 4000 mAh and a continuous discharge current of 40A, it is perfectly suited for power tools, electric vehicles, drones, e-cigarettes, and portable lighting systems.\u003c\/p\u003e\n\u003cp\u003eThanks to its modern Lithium-Nickel-Manganese-Cobalt (INR) chemistry and robust construction, the cell offers exceptional durability and stable operation even in the most demanding conditions.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eKey technical parameters:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e EVE INR21700-40P\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal capacity:\u003c\/strong\u003e 4000 mAh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal voltage:\u003c\/strong\u003e 3.6 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous discharge current:\u003c\/strong\u003e 40 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal resistance:\u003c\/strong\u003e 9.1 mΩ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum charging current:\u003c\/strong\u003e 6 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell chemistry:\u003c\/strong\u003e Lithium-Nickel-Manganese-Cobalt (INR)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 21.2 mm x 70 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e ~68 g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eEVE 40P cell\u003c\/strong\u003e is designed for devices requiring stable delivery of high power:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Tools:\u003c\/strong\u003e Drills, screwdrivers, grinders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric Vehicles:\u003c\/strong\u003e Pallet trucks, light vehicles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eE-cigarettes:\u003c\/strong\u003e Ideal for high-current consumption devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrones and mobile equipment:\u003c\/strong\u003e Long operating time without interruptions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable Lighting Systems:\u003c\/strong\u003e Tactical flashlights.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy choose EVE INR21700-40P?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh performance:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eA continuous discharge current of 40A will meet expectations in demanding applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow resistance:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eResistance at 9.1 mΩ minimizes energy loss and reduces cell heating.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFavorable price:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eThe EVE 40P offers a great price-to-quality ratio, especially compared to alternatives such as the Samsung 40T.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eThe exceptional lifespan of the cell allows for long-term use without performance degradation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eComparison with other cells:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eCapacity\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDischarge current\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eInternal resistance\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEVE 40P\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4000 mAh\u003c\/td\u003e\n\u003ctd\u003e40 A\u003c\/td\u003e\n\u003ctd\u003e9.1 mΩ\u003c\/td\u003e\n\u003ctd\u003eLower\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSamsung 40T\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4000 mAh\u003c\/td\u003e\n\u003ctd\u003e40 A\u003c\/td\u003e\n\u003ctd\u003eSimilar\u003c\/td\u003e\n\u003ctd\u003eHigher\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMolicel P42\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4200 mAh\u003c\/td\u003e\n\u003ctd\u003e45 A\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"EVE","offers":[{"title":"Default Title","offer_id":58046205690181,"sku":null,"price":13.9,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7812\/2565\/files\/991bcd9b0229261274c85fdb22ac9891_8ced0e24-dcdf-4d60-bd99-2155218868b8.jpg?v=1779638570"},{"product_id":"ogniwa-bak-21700cg-50-5000mah-15a-22-5mr","title":"Cells BAK 21700CG-50 5000mAh 15A 22.5mR","description":"\u003ch2\u003eSpecifications:\u003c\/h2\u003e\n\u003cp\u003eCapacity: 5000 mAh\u003cbr\u003e\nNominal voltage: 3.6V - 3.7V\u003cbr\u003e\nCharge termination voltage: 4.20V ± 0.05V\u003cbr\u003e\nMaximum discharge current: 15A\u003cbr\u003e\nMinimum discharge voltage: 2.5V\u003cbr\u003e\nPositive pole: Flat\u003cbr\u003e\nChemical type: Li-ion\u003cbr\u003e\nProtection circuit: None\u003cbr\u003e\nDiameter: 21.25mm\u003cbr\u003e\nHeight: 70.62mm\u003cbr\u003e\nWeight: 72.7g\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eBAK N21700CG-50 – Performance, Innovation, and Surpassing Leading Manufacturers\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eBAK Battery is a company that has gained international recognition by introducing cells that match the quality of Samsung, Sony, Panasonic, or LG, and in some cases even surpass them.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eBAK N21700CG-50 – Specification and Application\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe BAK N21700CG-50 cell stands out with a capacity of 5000 mAh and the ability to operate with a 15A load. It is an excellent replacement for Samsung, Murata (Sony), LG, or Panasonic batteries. In times of battery cell shortages on the international market, products like the N21700CG-50 play a crucial role, providing battery manufacturers with a reliable alternative. Together with brands like CATL, Lishen, and DLG, BAK Battery is becoming a leader in delivering competitive solutions.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eWhy choose BAK?\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eBAK Battery constantly invests in innovation. Thanks to modern production processes, the company offers products with the best price-to-quality ratio. The presence of a branch in Germany allows for efficient service of the European market and quick response to customer needs. BAK cells mean not only efficiency but also reliability, which makes them eagerly chosen by manufacturers worldwide.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eTechnical specifications of BAK N21700CG-50:\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e•\u003cb\u003eNominal capacity:\u003c\/b\u003e 5000mAh\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e•\u003cb\u003eMinimum capacity:\u003c\/b\u003e 4900mAh\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e•\u003cb\u003eNominal voltage:\u003c\/b\u003e 3.6V – 3.7V\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e•\u003cb\u003eMax. discharge current (continuous):\u003c\/b\u003e 15A\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e•\u003cb\u003eMax. discharge current (pulse):\u003c\/b\u003e 20A – 25A\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e•\u003cb\u003eRecommended charging current:\u003c\/b\u003e 0.5C 2.5A\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e•\u003cb\u003eWeight:\u003c\/b\u003e 70g ± 1g\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e•\u003cb\u003eDimensions:\u003c\/b\u003e Ø 21.3 mm x 70.50 mm\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eDocumentation and additional information:\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e•\u003ca href=\"https:\/\/cdn03.plentymarkets.com\/i9a0e0hd8l6w\/frontend\/Datenblaeter\/BAK\/N21700CG-50\/N21700CG_Datenblatt__datasheet.pdf\"\u003eN21700CG-50 Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e•\u003ca href=\"https:\/\/cdn03.plentymarkets.com\/i9a0e0hd8l6w\/frontend\/Datenblaeter\/BAK\/N21700CG-50\/4.5Ah_CB_IEC_Zertifikat_BAK_N21700CG-50_Testbericht.pdf\"\u003eIEC (62133) Certificate\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e•\u003ca href=\"https:\/\/www.e-cigarette-forum.com\/threads\/bench-test-results-bak-n21700cg-50-%E2%80%93-15a-5000mah-21700%E2%80%A6decent-performer-equal-to-samsung-50e3.968623\/\"\u003eCharacteristic and discharge curves\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eSafety of use\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eLithium cells can only be used with appropriate protective electronics. Improper handling of the battery can lead to fire or explosion.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eTest results\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eBAK is one of the larger, recognized manufacturers in China, and its cells are characterized by good performance. This is important because cells from the largest manufacturers are harder to obtain, and sometimes come from outdated stock, are of low quality, or even counterfeit. It's good to see well-performing alternatives like these.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe BAK cell performs slightly better than the Molicel M50A and achieves performance comparable to the Samsung 50E. However, it does not match the \u003ca href=\"https:\/\/citylion.pl\/ogniwa-samsung-inr21700-50s-4900mah-50s-35a\/\"\u003eSamsung 50S\u003c\/a\u003e, but that cell is significantly more expensive.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eAccording to the datasheet, the BAK cell has a maximum continuous discharge current of 15A, however, the manufacturer notes that this affects cycle life. We recommend staying below 10A to reduce risk, increase the overall lifespan of the cell, and improve its performance.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe two cells tested delivered 4987mAh and 5020mAh respectively. This is quite good consistency for cells from one of the large, recognized Chinese factories. Both cells exceeded the minimum capacity of 4900mAh and achieved a value close to the typical capacity of 5000mAh.\u003c\/p\u003e\n\u003ch4\u003eManufacturer's Warranty:\u003c\/h4\u003e\n\u003cp\u003eThe manufacturer offers a \u003cstrong\u003e2-year warranty\u003c\/strong\u003e on BAK N21700CG-50 cells, ensuring repair or replacement of the product in case of any issues. For claims, please contact the store to arrange for a courier to pick up the product from your home.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eSummary\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eBAK Battery is a reliable partner in the world of battery technology. N21700CG-50 cells are an ideal choice for manufacturers looking for top-level quality and performance.\u003c\/p\u003e","brand":"BAK","offers":[{"title":"Default Title","offer_id":58046205985093,"sku":null,"price":17.9,"currency_code":"PLN","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7812\/2565\/files\/7fbf7a7f2ee0e2a75f1fc0c54b2d6723_d22abba9-a1f3-43f3-9ac3-87f9535c6fda.jpg?v=1779569245"},{"product_id":"ogniwo-18650-eve-25p-2500mah-20a-16mr","title":"18650 EVE 25P 2500mAh 20A 16mR Cell","description":"\u003ch3\u003eEVE 25P Cell – High-Quality Lithium-Ion Cell for High-Current Devices\u003c\/h3\u003e\n\u003ch4\u003eProduct Description\u003c\/h4\u003e\n\u003cp\u003eThe \u003cstrong\u003eEVE 25P\u003c\/strong\u003e cell is a reliable lithium-ion cell designed for applications requiring high current draw. Thanks to modern production technology, this cell offers quality comparable to renowned models such as \u003cstrong\u003eSamsung 25E\u003c\/strong\u003e, \u003cstrong\u003eMolicell P26\u003c\/strong\u003e, and \u003cstrong\u003eSony VTC5\u003c\/strong\u003e. The EVE 25P is an ideal choice for devices such as power tools, \u003cstrong\u003ee-cigarettes\u003c\/strong\u003e, and high-power \u003cstrong\u003eelectric bicycles\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch4\u003eKey Technical Parameters of EVE 25P Cell:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell type\u003c\/strong\u003e: Li-Ion (lithium-ion)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e: EVE INR18650-25P\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal capacity\u003c\/strong\u003e: 2500 mAh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal voltage\u003c\/strong\u003e: 3.6 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum voltage\u003c\/strong\u003e: 4.2 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum cut-off voltage\u003c\/strong\u003e: 2.5 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum discharge current\u003c\/strong\u003e: 20A (continuous)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 18.2 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight\u003c\/strong\u003e: 65.0 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: approx. 45 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal resistance\u003c\/strong\u003e: 16mR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifespan\u003c\/strong\u003e: 2-3 seasons of intensive use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eKey Features of EVE 25P Cell:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh quality\u003c\/strong\u003e – comparable to the best cells on the market, such as Samsung 25E, Molicell P26, and Sony VTC5.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized for high current draw\u003c\/strong\u003e – designed for devices requiring intensive power supply.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable lifespan\u003c\/strong\u003e – estimated durability is 2-3 seasons of intensive work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory tests\u003c\/strong\u003e – each cell is checked before shipment, ensuring reliability and eliminating the risk of manufacturing defects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTests and Performance\u003c\/h4\u003e\n\u003cp\u003eThe EVE 25P cell stands out for its stable parameters under conditions of intensive discharge. It has been tested at both standard and low temperatures, guaranteeing its reliability even in difficult conditions. Discharge tests carried out at various discharge currents (20A and 10A) confirm its high efficiency and longevity.\u003c\/p\u003e\n\u003ch4\u003eExpert Opinions:\u003c\/h4\u003e\n\u003cp\u003eThe \u003cstrong\u003eEVE INR18650-25P\u003c\/strong\u003e is an excellent choice for users looking for reliable cells for battery regeneration, especially in power tools. Although its resistance is higher than that of Samsung 25R or Sony VTC5A models, the cell performs very well at higher discharge currents. Choosing the EVE 25P cell instead of repackaged cells guarantees a full-value product that provides stable parameters and trouble-free operation.\u003c\/p\u003e\n\u003ch4\u003eApplication of EVE 25P Cell:\u003c\/h4\u003e\n\u003cp\u003eThe \u003cstrong\u003eEVE 25P cell\u003c\/strong\u003e is an excellent solution for high-current devices that require solid and long-lasting performance:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower tools\u003c\/strong\u003e – ideal for powering tools such as drills and screwdrivers. Popular for regenerating batteries for professional equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eE-cigarettes\u003c\/strong\u003e – provides stable and reliable high-power supply.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric bicycles\u003c\/strong\u003e – excellent for intensively used high-power motor bikes requiring high-performance cells.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery regeneration\u003c\/strong\u003e – ideal for replacing and regenerating batteries in high-power devices.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhy Choose EVE 25P Cell Instead of a Repackaged Cell?\u003c\/h4\u003e\n\u003cp\u003ePurchasing a \u003cstrong\u003enew EVE 25P cell\u003c\/strong\u003e guarantees a full-value product that has not been used before. With zero charge cycles and full capacity, you are investing in a cell that ensures stability and operational safety. Unlike repackaged cells, the EVE 25P cell undergoes factory quality control, eliminating the risk of hidden defects.\u003c\/p\u003e\n\u003ch4\u003eFactory Quality Control:\u003c\/h4\u003e\n\u003cp\u003eEach EVE 25P cell undergoes rigorous quality tests, ensuring its reliability and meeting the highest production standards. By choosing the EVE 25P cell, you are investing in a product that provides stable power even in the most demanding conditions.\u003c\/p\u003e\n\u003ch4\u003eAdditional Information:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: EVE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSymbol\u003c\/strong\u003e: EVE INR18650-25P\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty\u003c\/strong\u003e: 2 years\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeed help?\u003c\/strong\u003e Ask a question, and we will answer as quickly as possible. We will also publish the most interesting questions and answers for other users.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eManufacturer's Warranty:\u003c\/h4\u003e\n\u003cp\u003eThe manufacturer offers a \u003cstrong\u003e2-year warranty\u003c\/strong\u003e on EVE 25P cells, providing repair or replacement of the product in case of any problems. In case of a complaint, contact the store to order a courier who will collect the product from your home.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eChoose the EVE 25P cell\u003c\/strong\u003e – reliability, high performance, and longevity in one!\u003c\/p\u003e","brand":"EVE","offers":[{"title":"Default Title","offer_id":58046206378309,"sku":null,"price":9.99,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7812\/2565\/files\/pol_pl_Nowe-ogniwo-Li-Ion-EVE-INR18650-25P-2500mAh-20A-zestaw-10szt-9963_4_92a46dde-6e5a-401b-95cc-8ad84cd504ca.jpg?v=1779638572"},{"product_id":"ogniwa-samsung-inr21700-50s-4900mah-50s-35a","title":"Samsung INR21700-50S 4900mAh 50S 35A cells","description":"\u003ch2\u003eLi-ion battery information:\u003c\/h2\u003e\n\u003cp\u003eCapacity: 5000mAh\u003cbr\u003e\nNominal voltage: 3.6V - 3.7V\u003cbr\u003e\nEnd-of-charge voltage: 4.20V ± 0.05V\u003cbr\u003e\nMaximum discharge current: 35A\u003cbr\u003e\nMinimum discharge voltage: 2.5V\u003cbr\u003e\nPositive terminal: Flat\u003cbr\u003e\nChemical type: Li-ion\u003cbr\u003e\nProtection circuit: None\u003cbr\u003e\nDiameter: 21.25mm\u003cbr\u003e\nHeight: 70.62mm\u003cbr\u003e\nWeight: 72.7g\u003c\/p\u003e\n\u003cp\u003eThe high-current Samsung cell is a novelty on the market, distinguished by its ability to withstand high currents with low resistance of 11.67mR. Its load capacity is comparable to the Samsung 40T series 3 cell, while offering 20% greater capacity.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eOur independent tests conducted with the Pulsar 3+ WiFi tester showed that at a 20A load, the cell reaches a temperature of 53°C, generating a capacity exceeding 5000mAh with minimal voltage drops. The test was conducted on a cell charged to 4.2V and concluded at 2.5V. Further studies showed that at a 25A load, the cell does not perform well enough. Although the manufacturer allows operation up to 80°C, optimal performance is achieved at temperatures up to 65°C. For battery packs, the continuous current for a single cell should not exceed 22A. For higher currents, temperature control and BMS cut-off in case of cell overheating are recommended. We recommend protection up to 80°C for a single cell and a maximum of 70°C for cells connected in a pack.\u003c\/p\u003e\n\u003ch2\u003eSafety information:\u003c\/h2\u003e\n\u003cp\u003eDo not place the battery in a charger or device with incorrectly connected terminals.\u003cbr\u003e\nNever short-circuit the battery. Avoid accidental contact with metal objects such as keys.\u003cbr\u003e\nDo not deform or disassemble the battery. If the battery is deformed, dispose of it immediately.\u003cbr\u003e\nDo not immerse the battery in water.\u003cbr\u003e\nAvoid excessive shock or vibration.\u003cbr\u003e\nDo not expose the battery to fire or dispose of it in fire.\u003cbr\u003e\nKeep out of reach of children.\u003cbr\u003e\nUse only original, undamaged chargers.\u003cbr\u003e\nDo not leave the battery in the charger for more than 12 hours.\u003cbr\u003e\nStore the battery in a cool, dry, and well-ventilated place.\u003cbr\u003e\nDispose of in accordance with local regulations.\u003cbr\u003e\nDo not solder these cells.\u003c\/p\u003e","brand":"SAMSUNG","offers":[{"title":"Default Title","offer_id":58046207099205,"sku":null,"price":19.99,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7812\/2565\/files\/2b9a029d1a45675715c40fcda60bde04.jpg?v=1779638577"},{"product_id":"lg-inr18650-m29-2900-mah-6a-ogniwo-18650","title":"LG INR18650-M29 2900 mAh 6A - 18650 cell","description":"\u003cp\u003e\u003cstrong\u003eThe LG INR18650-M29 is a reliable 18650 cell from a trusted manufacturer\u003c\/strong\u003e: good capacity of 2900mAh, stable continuous current of 6A, and low internal resistance of ~22mΩ. New, original LG cell, unused, from current production.\u003c\/p\u003e\n \n\u003cp\u003eAn ideal choice for building and regenerating battery packs, electric bicycle batteries, lighting systems, and DIY projects, where reliability and repeatable parameters are important at a good price.\u003c\/p\u003e\n \n\u003ch2\u003eTechnical Data\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eLG\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eINR18650-M29\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eType \/ Size\u003c\/th\u003e\n\u003ctd\u003e18650\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eChemistry\u003c\/th\u003e\n\u003ctd\u003eLi-Ion\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eEAN \/ GTIN\u003c\/th\u003e\n\u003ctd\u003e[FILL IN]\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eMaximum Voltage\u003c\/th\u003e\n\u003ctd\u003e4.2 V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eNominal Voltage\u003c\/th\u003e\n\u003ctd\u003e3.6 V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eInternal Resistance\u003c\/th\u003e\n\u003ctd\u003e~22 mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e48 g\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eContinuous Discharge Current\u003c\/th\u003e\n\u003ctd\u003e6 A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n \n\u003ch2\u003eWhy LG M29?\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBranded manufacturer at a good price\u003c\/strong\u003e: LG is one of the largest manufacturers of cylindrical cells in the world. The M29 ensures quality and repeatable parameters, which cheap Chinese cells do not guarantee.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBetter than EVE 29V and Samsung 29E\u003c\/strong\u003e: higher chemical stability, better durability under intensive use, lower internal resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e10A pulse current\u003c\/strong\u003e: for short-term loads, the cell can handle significantly higher current than 6A continuous.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow weight 48g\u003c\/strong\u003e: lightweight cell facilitates the design of compact and light packs.\u003c\/li\u003e\n\u003c\/ul\u003e\n \n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectric bicycles (e-bike)\u003c\/strong\u003e: economical 36V or 48V pack with good capacity\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery regeneration\u003c\/strong\u003e: replacement for worn-out cells in existing packs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLighting systems\u003c\/strong\u003e: flashlights, bicycle lights, emergency lighting\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY power banks\u003c\/strong\u003e: custom portable USB chargers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmall energy storage systems\u003c\/strong\u003e: off-grid and backup power projects\u003c\/li\u003e\n\u003c\/ul\u003e\n \n\u003cp\u003e⚠️ \u003cstrong\u003eNote:\u003c\/strong\u003e LG M29 is a cell with a continuous current of 6A. If you need higher current (above 10–15A), consider Samsung 30Q or Samsung 25R. If maximum capacity is the priority, check out Samsung 35E.\u003c\/p\u003e\n \n\u003cp\u003eThe cell does not have a built-in PCM\/PCB system. Use it in systems with an external BMS that protects against overcharging (\u003e4.2V), over-discharge, and short circuits.\u003c\/p\u003e\n \n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n \n\u003ch3\u003eIs this a new cell?\u003c\/h3\u003e\n\u003cp\u003eYes, new, unused cells from current LG production.\u003c\/p\u003e\n \n\u003ch3\u003eWhat is the difference between LG M29 and Samsung 35E?\u003c\/h3\u003e\n\u003cp\u003eSamsung 35E has a higher capacity (3500mAh vs 2900mAh) and a higher continuous current (8A vs 6A), but costs more. The LG M29 is a cheaper option where you don't need maximum capacity.\u003c\/p\u003e\n \n\u003ch3\u003eIs LG M29 suitable for an electric bicycle?\u003c\/h3\u003e\n\u003cp\u003eYes, it's a popular cell for building economical 36V and 48V e-bike packs. With a continuous current of 6A, it will work well in bicycles with power up to approx. 400–500W.\u003c\/p\u003e\n \n\u003ch3\u003eIs LG M29 better than EVE 29V?\u003c\/h3\u003e\n\u003cp\u003eYes, LG M29 offers higher parameter stability and better durability under intensive use than EVE 29V or Samsung 29E at a similar price.\u003c\/p\u003e\n \n\u003ch3\u003eHow to charge LG M29?\u003c\/h3\u003e\n\u003cp\u003eCC\/CV charger with a final voltage of 4.2V and a current of up to 2.75A. The standard charging current is 1.375A.\u003c\/p\u003e","brand":"LG","offers":[{"title":"Default Title","offer_id":58048706806085,"sku":null,"price":7.9,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7812\/2565\/files\/7766547125069ced239837b1d7362804_a7993d6a-2544-4afc-87dc-64caccfed507.jpg?v=1779638578"},{"product_id":"lg-inr21700-m50l-5000mah-7-2a-ogniwo-li-ion-oem-21700","title":"LG INR21700 M50L 5000mAh 7.2A – 21700 Li-Ion OEM cell","description":"\u003cp\u003e\u003cstrong\u003eThe LG INR21700-M50L is a high-capacity 21700 cell from LG\u003c\/strong\u003e: 5000mAh capacity, continuous discharge current of 7.2A, and exceptionally low internal resistance of ~14mΩ. Factory-new OEM cell with full factory specifications, already fitted with a replacement heat-shrink sleeve and insulator.\u003c\/p\u003e\n \n\u003cp\u003e\u003cstrong\u003eVersion with fitted sleeves and insulators\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe cells already have purple heat-shrink sleeves and insulators fitted. A robot installs them automatically on our production line, so they are ready for further work when building a battery pack.\u003c\/p\u003e\u003cp\u003eThe sleeves are not factory-original; they are replacement sleeves fitted automatically by the robot. We do not include extra sleeves or insulators separately with this version because the cells are already prepared for further assembly.\u003c\/p\u003e\n \n\u003ch2\u003eTechnical Data\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eLG\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eINR21700-M50L\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eType \/ Size\u003c\/th\u003e\n\u003ctd\u003e21700\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eChemistry\u003c\/th\u003e\n\u003ctd\u003eLi-Ion\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eEAN \/ GTIN\u003c\/th\u003e\n\u003ctd\u003e[FILL IN]\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eMaximum Voltage\u003c\/th\u003e\n\u003ctd\u003e4.2 V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eNominal Voltage\u003c\/th\u003e\n\u003ctd\u003e3.69 V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eInternal Resistance\u003c\/th\u003e\n\u003ctd\u003e~14 mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e67.5 g\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eContinuous Discharge Current\u003c\/th\u003e\n\u003ctd\u003e7.2 A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n \n\u003ch2\u003eWhy LG M50L?\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5000mAh in 21700 format\u003c\/strong\u003e: one of the highest capacity results among cylindrical cells. The 21700 format offers more energy than 18650 with a similar pack size.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow resistance ~14mΩ\u003c\/strong\u003e: better than the datasheet (15±6mΩ). Good repeatability across the entire batch, crucial for building large packs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBetter than the cheaper BAK CG50 alternative\u003c\/strong\u003e: significantly higher parameter repeatability. Smaller resistance differences between cells = uniform section temperatures within the pack and longer lifespan.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFactory new, properly stored\u003c\/strong\u003e: manufacturing year 2022, stored in a heated warehouse at ~25°C, voltages and capacity consistent with the datasheet.\u003c\/li\u003e\n\u003c\/ul\u003e\n \n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnergy storage\u003c\/strong\u003e: high-capacity packs, off-grid systems, emergency power supplies\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectric bicycles (e-bike)\u003c\/strong\u003e: 36V, 48V, 52V packs with long range\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPS systems\u003c\/strong\u003e: stable operation, high energy, predictable parameters\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY packs\u003c\/strong\u003e: custom builds requiring high capacity with factory new cells\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOEM pack production\u003c\/strong\u003e: industrial and project applications\u003c\/li\u003e\n\u003c\/ul\u003e\n \n\u003cp\u003e⚠️ \u003cstrong\u003eNote:\u003c\/strong\u003e The LG M50L is a high-capacity cell, not a high-current cell. Continuous current is 7.2A: \u003cstrong\u003eunsuitable for power tools and e-cigarettes\u003c\/strong\u003e. If you need high current, consider Samsung 25R or 30Q series cells (18650 format) or Samsung 40T (21700 format).\u003c\/p\u003e\n \nCell without built-in PCM\/PCB. Use only in systems with an external BMS. Before assembly, check that the heat-shrink sleeve and insulator are properly fitted: the negative pole is the entire metal casing of the cell.\n \n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n \n\u003ch3\u003eWhat is the OEM version?\u003c\/h3\u003e\n\u003cp\u003eThe OEM version has the same specifications as the standard version (M50LT), but the sleeves are not factory-original. The cells already have purple replacement sleeves and insulators fitted by a robot on our production line. No extra sleeves or insulators are included separately with this version.\u003c\/p\u003e\n \n\u003ch3\u003eWhere does this batch of cells come from?\u003c\/h3\u003e\n\u003cp\u003eThe cells come from a canceled OEM project: the end customer withdrew the project due to bankruptcy, which is why the cells became available below the standard LG distribution price, while maintaining full factory quality.\u003c\/p\u003e\n \n\u003ch3\u003eWhat is the actual capacity of the LG M50L?\u003c\/h3\u003e\n\u003cp\u003eThe nominal capacity resulting from the energy (18.2Wh) is ~4930mAh. In practice, 5000mAh is assumed as the catalog capacity. Measurements of the offered batch confirm parameters consistent with the datasheet.\u003c\/p\u003e\n \n\u003ch3\u003eIs the LG M50L suitable for an electric bicycle?\u003c\/h3\u003e\n\u003cp\u003eYes, it is an excellent choice for e-bikes where range is a priority, not peak power. The 7.2A continuous and 14.4A pulse current will work well in bicycles with moderate power consumption.\u003c\/p\u003e\n \n\u003ch3\u003eHow to charge the LG M50L?\u003c\/h3\u003e\n\u003cp\u003eCC\/CV charging: final voltage 4.2V, standard charging current 1440mA (0.3C). At a temperature of 25–45°C, an allowable current of up to 3360mA (0.7C).\u003c\/p\u003e\u003ch2\u003eManufacturer documentation\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.lgensol.com\/assets\/file\/LGES_spec_sheet_cells_2024.pdf\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003eDownload the official LG Energy Solution cell specification sheet (PDF)\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"LG","offers":[{"title":"Default Title","offer_id":58048707100997,"sku":null,"price":9.5,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7812\/2565\/files\/7811ddc1bc4d5de0176bc28e3ed996b4.jpg?v=1779638579"},{"product_id":"eve-lf105-105ah-lifepo4","title":"EVE LF105 105 Ah 3,2 V – ogniwo LiFePO4 pryzmatyczne","description":"\u003cp\u003e\u003cstrong\u003eEVE LF105\u003c\/strong\u003e to pryzmatyczne ogniwo LiFePO4 105 Ah do trwałych magazynów energii, instalacji off‑grid, kamperów, łodzi i zasilania awaryjnego. Jedno ogniwo magazynuje około 336 Wh energii.\u003c\/p\u003e\u003ch2\u003eParametry EVE LF105\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003ePojemność znamionowa\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e105 Ah\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eNapięcie nominalne\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e3,2 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eEnergia\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003eok. 336 Wh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eNapięcie ładowania\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e3,65 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eStandardowy prąd pracy\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003edo 1C \/ 105 A zgodnie z dokumentacją\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eRezystancja AC\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e≤ 0,5 mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eChemia\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003eLiFePO4 \/ LFP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eFormat\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003epryzmatyczny\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003ePrzykładowe konfiguracje\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e4S: 12,8 V, 105 Ah, ok. 1,34 kWh\u003c\/li\u003e\n\u003cli\u003e8S: 25,6 V, 105 Ah, ok. 2,69 kWh\u003c\/li\u003e\n\u003cli\u003e16S: 51,2 V, 105 Ah, ok. 5,38 kWh\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eOgniwa w pakiecie muszą mieć zbliżone parametry i być mechanicznie ustabilizowane. Stosuj BMS i ładowarkę przeznaczone do LiFePO4, dopasowane do liczby ogniw w szeregu. Nie używaj BMS ani ładowarki przeznaczonych do pakietów Li-Ion o innej chemii i napięciach.\u003c\/p\u003e\u003ch2\u003eCzas pracy i ładowania - przykłady\u003c\/h2\u003e\u003cp\u003ePrzyjmujemy 80% wykorzystania energii pakietu i 90% sprawności przetwornicy. Wtedy do odbiornika AC trafia około 72% energii nominalnej. To szacunek, nie gwarantowany czas pracy: pobór własny przetwornicy, temperatura, BMS i stan ogniw zmieniają wynik.\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePakiet\u003c\/th\u003e\n\u003cth\u003eEnergia dla AC\u003c\/th\u003e\n\u003cth\u003eOdbiornik 200 W\u003c\/th\u003e\n\u003cth\u003eOdbiornik 500 W\u003c\/th\u003e\n\u003cth\u003eŁadowarka LiFePO4 20 A\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4S, 12,8 V\u003c\/td\u003e\n\u003ctd\u003eok. 0,97 kWh\u003c\/td\u003e\n\u003ctd\u003eok. 4,8 h\u003c\/td\u003e\n\u003ctd\u003eok. 1,9 h\u003c\/td\u003e\n\u003ctd\u003e14,6 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8S, 25,6 V\u003c\/td\u003e\n\u003ctd\u003eok. 1,94 kWh\u003c\/td\u003e\n\u003ctd\u003eok. 9,7 h\u003c\/td\u003e\n\u003ctd\u003eok. 3,9 h\u003c\/td\u003e\n\u003ctd\u003e29,2 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e16S, 51,2 V\u003c\/td\u003e\n\u003ctd\u003eok. 3,87 kWh\u003c\/td\u003e\n\u003ctd\u003eok. 19,4 h\u003c\/td\u003e\n\u003ctd\u003eok. 7,7 h\u003c\/td\u003e\n\u003ctd\u003e58,4 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eŁadowanie 105 Ah prądem 20 A trwa teoretycznie co najmniej 105 Ah ÷ 20 A = 5,25 h. W praktyce potrwa dłużej przez końcową fazę ładowania i straty. Przed doborem ładowarki sprawdź dopuszczalny prąd ładowania ogniw oraz ograniczenia BMS i przewodów.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0979\/7812\/2565\/files\/EVE-LF105-datasheet.pdf?v=1789989363\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003ePobierz notę katalogową EVE LF105 (PDF)\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\u003ch2\u003eBezpieczeństwo\u003c\/h2\u003e\u003cp\u003eTo ogniwo przemysłowe bez wbudowanego zabezpieczenia. Pakiet powinien projektować i wykonywać doświadczony specjalista, z odpowiednim BMS-em, bezpiecznikami, izolacją i kontrolą temperatury. Nie lutuj bezpośrednio do biegunów, nie zwieraj i nie używaj ogniwa z uszkodzoną koszulką.\u003c\/p\u003e","brand":"EVE Energy","offers":[{"title":"Default Title","offer_id":59437708771653,"sku":"EVE-LF105","price":169.0,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7812\/2565\/files\/eve-lf105-1.jpg?v=1789989061"},{"product_id":"samsung-inr18650-25r-2500mah-20a","title":"Samsung INR18650-25R 2500 mAh 20 A – ogniwo 18650","description":"\u003cp\u003e\u003cstrong\u003eSamsung INR18650‑25R\u003c\/strong\u003e to sprawdzone ogniwo wysokoprądowe 18650 do elektronarzędzi, mobilnych pakietów zasilających i projektów, w których ważniejsze od maksymalnej pojemności są niski spadek napięcia i duża moc.\u003c\/p\u003e\u003ch2\u003eParametry Samsung 25R\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003ePojemność typowa\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e2500 mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eNapięcie nominalne\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e3,6 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eNapięcie ładowania\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e4,2 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eNapięcie odcięcia\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e2,5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eMaks. prąd rozładowania\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e20 A (zgodnie z warunkami producenta)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eFormat\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e18650\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eRocznik oferowanej partii\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e2026, A‑grade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eDo czego stosować?\u003c\/h2\u003e\u003cp\u003eRegeneracja baterii do elektronarzędzi, pakiety do urządzeń o dużym chwilowym poborze, roboty, modele i pojazdy elektryczne.\u003c\/p\u003e\u003ch2\u003ePrzykładowe pakiety\u003c\/h2\u003e\u003cp\u003e10S4P: 36 V, 10 Ah i ok. 360 Wh. 13S4P: 46,8 V, 10 Ah i ok. 468 Wh. W obu układach 4P arytmetyczna suma maksymalnych prądów pojedynczych ogniw wynosi 4 × 20 A = 80 A w warunkach producenta. To nie jest dopuszczalny prąd gotowego pakietu. Ograniczają go także połączenia ogniw, BMS, przewody, złącza i chłodzenie. Rezystancja taśm zależy od materiału (nikiel lub miedź), długości i przekroju; straty ciepła rosną z kwadratem prądu (P = I²R). Bez projektu połączeń i kontroli temperatury nie da się rzetelnie podać dopuszczalnego prądu pakietu.\u003c\/p\u003e\u003cp\u003ePorównaj formaty w poradniku \u003ca href=\"https:\/\/evzero.eu\/blogs\/news\/ogniwo-18650-czy-21700-ktore-wybrac-przewodnik-z-obliczeniami-2026\"\u003e18650 czy 21700\u003c\/a\u003e i zobacz inne \u003ca href=\"https:\/\/evzero.eu\/collections\/ogniwa-18650-auto\"\u003eogniwa 18650\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0979\/7812\/2565\/files\/Samsung-INR18650-25R-datasheet.pdf?v=1789989362\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003ePobierz notę katalogową Samsung INR18650‑25R (PDF)\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\u003ch2\u003eBezpieczeństwo\u003c\/h2\u003e\u003cp\u003eTo ogniwo przemysłowe bez wbudowanego zabezpieczenia. Pakiet powinien projektować i wykonywać doświadczony specjalista, z odpowiednim BMS-em, bezpiecznikami, izolacją i kontrolą temperatury. Nie lutuj bezpośrednio do biegunów, nie zwieraj i nie używaj ogniwa z uszkodzoną koszulką.\u003c\/p\u003e","brand":"Samsung SDI","offers":[{"title":"Default Title","offer_id":59437709361477,"sku":"INR18650-25R","price":9.79,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7812\/2565\/files\/samsung-inr18650-25r-hero.jpg?v=1789988998"},{"product_id":"molicel-inr21700-p42a-4200mah-45a","title":"Molicel INR21700-P42A 4200 mAh 45 A – ogniwo 21700","description":"\u003cp\u003e\u003cstrong\u003eMolicel INR21700‑P42A\u003c\/strong\u003e to wysokoprądowe ogniwo 21700 z niską rezystancją wewnętrzną (ok. 6,5 mΩ w tej partii). Szczególnie dobrze sprawdza się przy \u003cstrong\u003eregeneracji akumulatorów elektronarzędzi\u003c\/strong\u003e: wkrętarek, szlifierek, pił i młotowiertarek, gdzie liczy się moc pod dużym obciążeniem. Nadaje się też do napędów, robotyki i pakietów EV.\u003c\/p\u003e\u003ch2\u003ePartia 2022: co to oznacza\u003c\/h2\u003e\u003cp\u003eOferujemy ogniwa nowe, nieużywane, z partii produkcyjnej 2022. Producent podaje pojemność typową 4200 mAh i minimalną 4000 mAh. Do obliczeń pakietu przyjmuj bezpiecznie \u003cstrong\u003e4000 mAh\u003c\/strong\u003e. Niska rezystancja wewnętrzna partii (ok. 6,5 mΩ) oznacza, że ogniwa zachowały dobre parametry prądowe.\u003c\/p\u003e\u003ch2\u003eParametry Molicel P42A\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003ePojemność typowa (nota producenta)\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e4200 mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003ePojemność minimalna \/ do obliczeń\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e4000 mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eRezystancja wewnętrzna (ta partia)\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003eok. 6,5 mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eNapięcie nominalne\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e3,6 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eNapięcie ładowania \/ odcięcia\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e4,2 V \/ 2,5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eMaks. ciągły prąd rozładowania\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e45 A w warunkach producenta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eStandardowy prąd ładowania\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e4,2 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eWymiary maks.\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003eØ 21,7 × 70,2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eMasa maks.\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e70 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eRocznik partii\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e2022, nowe ogniwa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003ePrzykładowe pakiety\u003c\/h2\u003e\u003cp\u003eLiczone dla 4000 mAh. Elektronarzędzia: 5S1P (18 V, 4 Ah, 72 Wh) albo 5S2P (18 V, 8 Ah, 144 Wh). Rower i EV: 13S4P (46,8 V, 16 Ah, ok. 749 Wh) albo 20S4P (72 V, 16 Ah, ok. 1,15 kWh). Arytmetyczna suma maksymalnych prądów pojedynczych ogniw wynosi 45 A dla 1P, 90 A dla 2P i 180 A dla 4P w warunkach producenta. To nie są dopuszczalne prądy gotowych pakietów. Trzeba jeszcze uwzględnić BMS, przewody, złącza, chłodzenie oraz rezystancję połączeń. Ta ostatnia zależy od materiału (nikiel lub miedź), długości i przekroju taśm oraz jakości zgrzewów; straty ciepła rosną z kwadratem prądu (P = I²R). Bez projektu i kontroli temperatury nie da się rzetelnie podać prądu pakietu.\u003c\/p\u003e\u003cp\u003ePorównaj z \u003ca href=\"https:\/\/evzero.eu\/products\/ogniwo-eve-inr21700-40p-4000mah-40a-9-1-m%CE%A9\"\u003eEVE 40P\u003c\/a\u003e, przeczytaj \u003ca href=\"https:\/\/evzero.eu\/blogs\/news\/samsung-53g-vs-50e-vs-50s-vs-lg-m58t-porownanie-ogniw-21700\"\u003eporównanie ogniw 21700\u003c\/a\u003e albo zobacz całą \u003ca href=\"https:\/\/evzero.eu\/collections\/ogniwa-21700-auto\"\u003ekolekcję 21700\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0979\/7812\/2565\/files\/Molicel-INR21700-P42A-datasheet.pdf?v=1789989364\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003ePobierz notę katalogową Molicel P42A (PDF)\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\u003ch2\u003eBezpieczeństwo\u003c\/h2\u003e\u003cp\u003eTo ogniwo przemysłowe bez wbudowanego zabezpieczenia. Pakiet powinien projektować i wykonywać doświadczony specjalista, z odpowiednim BMS-em, bezpiecznikami, izolacją i kontrolą temperatury. Nie lutuj bezpośrednio do biegunów, nie zwieraj i nie używaj ogniwa z uszkodzoną koszulką.\u003c\/p\u003e","brand":"Molicel","offers":[{"title":"Default Title","offer_id":59437710508357,"sku":"INR21700-P42A","price":15.49,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7812\/2565\/files\/molicel-p42a-1.jpg?v=1789989109"},{"product_id":"molicel-inr18650-p28a-2800mah-35a","title":"Molicel INR18650-P28A 2800 mAh 35 A – ogniwo 18650","description":"\u003cp\u003e\u003cstrong\u003eMolicel INR18650‑P28A\u003c\/strong\u003e to wysokoprądowe ogniwo 18650 do elektronarzędzi, robotyki i lekkich pakietów EV. Zapewnia większą pojemność niż typowe ogniwa 2500 mAh, zachowując wysoką obciążalność.\u003c\/p\u003e\u003ch2\u003eParametry Molicel P28A\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003ePojemność typowa \/ minimalna\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e2800 \/ 2700 mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eNapięcie nominalne\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e3,6 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eNapięcie ładowania \/ odcięcia\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e4,2 V \/ 2,5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eMaks. ciągły prąd rozładowania\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e35 A w warunkach producenta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eStandardowy prąd ładowania\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e2,8 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eWymiary maks.\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003eØ 18,6 × 65,2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eMasa maks.\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e46 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eRocznik partii\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e2022, leżak magazynowy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003ePrzykładowe pakiety\u003c\/h2\u003e\u003cp\u003e10S4P: 36 V, 11,2 Ah i ok. 403 Wh. 13S4P: 46,8 V, 11,2 Ah i ok. 524 Wh. W obu układach 4P arytmetyczna suma maksymalnych prądów pojedynczych ogniw wynosi 4 × 35 A = 140 A w warunkach producenta. To nie jest dopuszczalny prąd gotowego pakietu. Ograniczają go także połączenia ogniw, BMS, przewody, złącza i chłodzenie. Rezystancja taśm zależy od materiału (nikiel lub miedź), długości i przekroju; straty ciepła rosną z kwadratem prądu (P = I²R). Bez projektu połączeń i kontroli temperatury nie da się rzetelnie podać dopuszczalnego prądu pakietu. W elektronarzędziach konfigurację dobiera się do napięcia systemu, obciążenia i miejsca w obudowie.\u003c\/p\u003e\u003cp\u003ePorównaj z \u003ca href=\"https:\/\/evzero.eu\/products\/ogniwa-samsung-30q-inr18650-30q-3000mah-15a\"\u003eSamsung 30Q\u003c\/a\u003e i \u003ca href=\"https:\/\/evzero.eu\/blogs\/news\/samsung-35e-vs-30q-vs-lg-m29-ktore-ogniwo-18650-do-czego-sluzy\"\u003eprzewodnikiem doboru 18650\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0979\/7812\/2565\/files\/Molicel-INR18650-P28A-datasheet.pdf?v=1789989364\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003ePobierz notę katalogową Molicel P28A (PDF)\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\u003ch2\u003eBezpieczeństwo\u003c\/h2\u003e\u003cp\u003eTo ogniwo przemysłowe bez wbudowanego zabezpieczenia. Pakiet powinien projektować i wykonywać doświadczony specjalista, z odpowiednim BMS-em, bezpiecznikami, izolacją i kontrolą temperatury. Nie lutuj bezpośrednio do biegunów, nie zwieraj i nie używaj ogniwa z uszkodzoną koszulką.\u003c\/p\u003e","brand":"Molicel","offers":[{"title":"Default Title","offer_id":59437711655237,"sku":"INR18650-P28A","price":14.9,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7812\/2565\/files\/molicel-p28a-1.jpg?v=1789989099"},{"product_id":"eve-inr21700-50e-5000mah-15a","title":"EVE INR21700-50E 5000 mAh 15 A – ogniwo 21700","description":"\u003cp\u003e\u003cstrong\u003eEVE INR21700‑50E\u003c\/strong\u003e to wysokoenergetyczne ogniwo 21700 o pojemności 5000 mAh i prądzie ciągłym do 15 A. Sprawdza się w rowerach i hulajnogach elektrycznych, robotach, przenośnych magazynach energii oraz pakietach, gdzie zasięg jest ważniejszy niż skrajnie duża moc.\u003c\/p\u003e\u003ch2\u003eParametry EVE 50E\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003ePojemność typowa \/ minimalna\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e5000 \/ 4900 mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eNapięcie nominalne\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e3,65 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eNapięcie ładowania \/ odcięcia\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e4,2 V \/ 2,5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eMaks. ciągły prąd rozładowania\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e15 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eStandardowy prąd ładowania\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e1 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eMaks. ciągły prąd ładowania\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e2,5 A (tabela temperaturowa noty dopuszcza do 5 A w zakresie 15-50°C oraz tylko 1 A w zakresach 0-15°C i 45-55°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eWymiary\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003eØ 21,15 × 70,15 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px\"\u003eMasa\u003c\/th\u003e\n\u003ctd style=\"padding:8px\"\u003e69 ± 2 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003ePrzykładowe pakiety\u003c\/h2\u003e\u003cp\u003e13S4P: nominalnie ok. 47,5 V, 20 Ah i ok. 949 Wh. 14S4P: 51,1 V, 20 Ah i ok. 1,02 kWh. W obu układach 4P arytmetyczna suma limitów pojedynczych ogniw wynosi 4 × 15 A = 60 A w warunkach producenta. Nie jest to dopuszczalny prąd gotowego pakietu. Ten zależy także od BMS, przewodów, złączy, chłodzenia i rezystancji połączeń. Rezystancja taśm zależy od materiału (nikiel lub miedź), długości i przekroju; straty ciepła rosną z kwadratem prądu (P = I²R). Bez projektu połączeń i kontroli temperatury nie można rzetelnie podać prądu pakietu.\u003c\/p\u003e\u003cp\u003ePorównaj z \u003ca href=\"https:\/\/evzero.eu\/products\/samsung-inr21700-50e-5000-mah-10a-oryginalne-ogniwo-samsung-sdi\"\u003eSamsung 50E\u003c\/a\u003e i zobacz \u003ca href=\"https:\/\/evzero.eu\/blogs\/news\/samsung-53g-vs-50e-vs-50s-vs-lg-m58t-porownanie-ogniw-21700\"\u003eporównanie ogniw 21700\u003c\/a\u003e. Jak dobrać ładowarkę do pakietu z tych ogniw, wyjaśniamy w poradniku o \u003ca href=\"https:\/\/evzero.eu\/blogs\/news\/szybka-ladowarka-48v-54-6v-jak-dobrac-prad-ladowania\"\u003eprądzie ładowania baterii 48 V\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0979\/7812\/2565\/files\/EVE-INR21700-50E-datasheet.pdf?v=1789989362\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003ePobierz notę katalogową EVE INR21700‑50E (PDF)\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\u003ch2\u003eBezpieczeństwo\u003c\/h2\u003e\u003cp\u003eTo ogniwo przemysłowe bez wbudowanego zabezpieczenia. Pakiet powinien projektować i wykonywać doświadczony specjalista, z odpowiednim BMS-em, bezpiecznikami, izolacją i kontrolą temperatury. Nie lutuj bezpośrednio do biegunów, nie zwieraj i nie używaj ogniwa z uszkodzoną koszulką.\u003c\/p\u003e","brand":"EVE Energy","offers":[{"title":"Default Title","offer_id":59437712802117,"sku":"EVE-INR21700-50E","price":11.9,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7812\/2565\/files\/eve-21700-50e-1.jpg?v=1789989140"},{"product_id":"panasonic-ncr18650pf-2900mah-10a","title":"Panasonic NCR18650PF 2900 mAh 10 A – 18650 cell","description":"\u003cp\u003e\u003cstrong\u003ePanasonic NCR18650PF\u003c\/strong\u003e is a branded 18650 lithium-ion cell with a capacity of 2900 mAh. It combines very good capacity with a discharge current of up to 10 A, which makes it a solid choice for packs that need long runtime under moderate load.\u003c\/p\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eformat: 18650, flat top, unprotected cell (no PCB),\u003c\/li\u003e\n\u003cli\u003enominal voltage: 3.6 V,\u003c\/li\u003e\n\u003cli\u003ecapacity: 2900 mAh, 2750 mAh minimum,\u003c\/li\u003e\n\u003cli\u003echarge voltage: 4.20 V, CC\/CV method,\u003c\/li\u003e\n\u003cli\u003edischarge cut-off voltage: 2.5 V,\u003c\/li\u003e\n\u003cli\u003emaximum continuous discharge current: up to 10 A,\u003c\/li\u003e\n\u003cli\u003eweight: up to approx. 47 g.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat can the NCR18650PF be used for?\u003c\/h2\u003e\n\u003cp\u003eA good choice for building and rebuilding e-bike batteries, light electric vehicles, power tools with moderate current draw, robotics, portable energy storage and UPS systems. For very high currents, consider the \u003ca href=\"\/en\/products\/samsung-inr18650-25r-2500mah-20a\"\u003eSamsung 25R 20 A\u003c\/a\u003e instead.\u003c\/p\u003e\n\u003ch2\u003eExample pack configurations\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e10S4P:\u003c\/strong\u003e 36 V nominal, approx. 11.6 Ah and up to 40 A continuous current from the cells,\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e13S4P:\u003c\/strong\u003e 46.8 V nominal, approx. 11.6 Ah and up to 40 A continuous current from the cells,\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e13S5P:\u003c\/strong\u003e 46.8 V nominal, approx. 14.5 Ah and up to 50 A continuous current from the cells.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese currents follow from the number of cells in parallel (4P × 10 A = 40 A; 5P × 10 A = 50 A). The finished battery's actual current may be lower and also depends on the BMS, interconnects, cooling and build quality. See our guide \u003ca href=\"\/en\/blogs\/news\/ogniwo-18650-czy-21700-ktore-wybrac-przewodnik-z-obliczeniami-2026\"\u003e18650 or 21700: choosing cells and calculating a pack\u003c\/a\u003e and the full collection of \u003ca href=\"\/en\/collections\/ogniwa-18650-auto\"\u003e18650 cells\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eDocumentation\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0979\/7812\/2565\/files\/3447?v=1790062560\" target=\"_blank\" rel=\"noopener\"\u003eDownload the official Panasonic NCR18650PF datasheet (PDF)\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSafety:\u003c\/strong\u003e industrial cell without built-in protection. It should be spot-welded and used only with a correctly sized BMS. Do not solder directly to the terminals, do not short-circuit, puncture or use a cell with a damaged wrap.\u003c\/p\u003e","brand":"Panasonic","offers":[{"title":"Default Title","offer_id":59447634919749,"sku":"NCR18650PF","price":4.9,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7812\/2565\/files\/panasonic-ncr18650pf-2900mah.jpg?v=1790062433"},{"product_id":"tenpower-inr18650-35he-35e-3400mah-10a","title":"Tenpower INR18650-35HE (35E) 3400 mAh 10 A – 18650 Cell","description":"\u003cp\u003e\u003cstrong\u003eTenpower INR18650-35HE\u003c\/strong\u003e is a high-capacity 18650 cell for packs with moderate current demand. It is an alternative to the Samsung 35E: the two cells have similar capacity, while Tenpower has a higher specified continuous discharge current. Tenpower's datasheet lists 3400 mAh and 10 A. These are different models from different manufacturers.\u003c\/p\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003eManufacturer's model: INR18650-35HE\u003c\/li\u003e\u003cli\u003eFormat: 18650, flat top, unprotected cell (no PCB)\u003c\/li\u003e\u003cli\u003eNominal voltage: 3.6 V\u003c\/li\u003e\u003cli\u003eNominal capacity: 3400 mAh \/ 12.24 Wh\u003c\/li\u003e\u003cli\u003eCharge voltage: 4.20 V\u003c\/li\u003e\u003cli\u003eDischarge cut-off voltage: 2.5 V\u003c\/li\u003e\u003cli\u003eMaximum continuous discharge current: 10 A\u003c\/li\u003e\u003cli\u003eStandard charge current: 1.7 A; fast charge: 3.4 A\u003c\/li\u003e\u003cli\u003eMaximum dimensions: approximately 18.6 × 65.3 mm; weight up to 50 g\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch2\u003eTenpower 35HE vs Samsung 35E\u003c\/h2\u003e\n\u003ctable\u003e\u003cthead\u003e\u003ctr\u003e\u003cth\u003eSpecification\u003c\/th\u003e\u003cth\u003eTenpower 35HE\u003c\/th\u003e\u003cth\u003eSamsung 35E\u003c\/th\u003e\u003c\/tr\u003e\u003c\/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003eCapacity shown on product page\u003c\/td\u003e\u003ctd\u003e3400 mAh\u003c\/td\u003e\u003ctd\u003e3450 mAh\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eMaximum continuous discharge current\u003c\/td\u003e\u003ctd\u003e10 A\u003c\/td\u003e\u003ctd\u003e8 A\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eNominal voltage\u003c\/td\u003e\u003ctd\u003e3.6 V\u003c\/td\u003e\u003ctd\u003e3.6 V\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003eTenpower has the higher specified continuous current limit. Compare the current prices on both product pages: \u003ca href=\"\/en-eu\/products\/ogniwo-samsung-35e-inr-18650-3450mah-8a-nowe\"\u003eSamsung 35E\u003c\/a\u003e. The capacity figures come from the product pages; the manufacturers' datasheets may use different test conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich one suits your pack?\u003c\/strong\u003e In our article \u003ca href=\"\/en-eu\/blogs\/news\/samsung-35e-vs-tenpower-35he-zaciekly-pojedynek\"\u003eSamsung 35E vs Tenpower 35HE: a fierce battle between two 18650 cells\u003c\/a\u003e we calculate range, power and charging time for a 13S4P pack built on each cell and show when each one comes out ahead.\u003c\/p\u003e\n\u003ch2\u003eWhat can the Tenpower 35HE be used for?\u003c\/h2\u003e\n\u003cp\u003eThis cell can be used in e-bike and scooter batteries, robotics, power banks, UPS systems and packs designed for longer runtime. For higher current demand, consider the \u003ca href=\"\/en-eu\/products\/samsung-inr18650-25r-2500mah-20a\"\u003eSamsung 25R 20 A\u003c\/a\u003e. If capacity is your priority, compare it with the \u003ca href=\"\/en-eu\/products\/ogniwo-samsung-35e-inr-18650-3450mah-8a-nowe\"\u003eSamsung 35E\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eExample pack configurations\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003e\u003cstrong\u003e10S4P:\u003c\/strong\u003e 36 V nominal, approximately 13.6 Ah and up to 40 A continuous discharge based on the cell limit\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003e13S4P:\u003c\/strong\u003e 46.8 V nominal, approximately 13.6 Ah and up to 40 A continuous discharge based on the cell limit\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003e13S5P:\u003c\/strong\u003e 46.8 V nominal, approximately 17 Ah and up to 50 A continuous discharge based on the cell limit\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eThe 40 A and 50 A figures are calculated from the number of cells in parallel (4 × 10 A or 5 × 10 A). They are not guaranteed ratings for a finished pack. Its actual permissible current may be lower and also depends on the BMS, temperature, connections and cooling. See our \u003ca href=\"\/en-eu\/blogs\/news\/ogniwo-18650-czy-21700-ktore-wybrac-przewodnik-z-obliczeniami-2026\"\u003e18650 vs 21700 guide\u003c\/a\u003e and the full \u003ca href=\"\/en-eu\/collections\/ogniwa-18650-auto\"\u003e18650 cell collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eDocumentation\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0979\/7812\/2565\/files\/5658?v=1790062725\" target=\"_blank\" rel=\"noopener\"\u003eDownload the official Tenpower INR18650-35HE datasheet (PDF)\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSafety:\u003c\/strong\u003e This industrial cell has no built-in protection circuit. It should be spot-welded and used only with a properly selected BMS. Do not solder directly to the terminals, short-circuit or puncture the cell, or use it if the sleeve is damaged.\u003c\/p\u003e","brand":"Tenpower","offers":[{"title":"Default Title","offer_id":59447635149125,"sku":"INR18650-35HE","price":8.49,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7812\/2565\/files\/tenpower-inr18650-35he-3400mah.webp?v=1790062440"},{"product_id":"tenpower-inr21700-50me-5000mah-15a","title":"Tenpower INR21700-50ME 5000 mAh 15 A – ogniwo 21700","description":"\u003cp\u003e\u003cstrong\u003eTenpower INR21700-50ME\u003c\/strong\u003e to pojemne ogniwo 21700 do pakietów, w których liczy się długi czas pracy bez rezygnacji z użytecznego zapasu prądu. Typowa pojemność 5000 mAh i ciągły prąd rozładowania do 15 A dobrze pasują do baterii e-bike, mobilnych magazynów energii i zasilania urządzeń.\u003c\/p\u003e\n\u003ch2\u003eNajważniejsze parametry\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eformat: 21700, płaski biegun dodatni, ogniwo bez zabezpieczenia PCB,\u003c\/li\u003e\n\u003cli\u003echemia: NCM,\u003c\/li\u003e\n\u003cli\u003enapięcie nominalne: 3,6 V,\u003c\/li\u003e\n\u003cli\u003epojemność typowa: 5000 mAh,\u003c\/li\u003e\n\u003cli\u003enapięcie ładowania: 4,20 V,\u003c\/li\u003e\n\u003cli\u003enapięcie końcowe rozładowania: 2,5 V,\u003c\/li\u003e\n\u003cli\u003emaksymalny ciągły prąd rozładowania: 15 A,\u003c\/li\u003e\n\u003cli\u003emasa: około 68 g.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDo czego można użyć Tenpower 50ME?\u003c\/h2\u003e\n\u003cp\u003eModel 50ME sprawdzi się w bateriach do rowerów i hulajnóg elektrycznych, powerbankach dużej pojemności, robotyce, zasilaniu awaryjnym i kompaktowych magazynach energii. Gdy ważniejszy jest bardzo wysoki prąd niż maksymalna pojemność, porównaj \u003ca href=\"\/en-eu\/products\/molicel-inr21700-p42a-4200mah-45a\"\u003eMolicel P42A 45 A\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003ePrzykładowe konfiguracje pakietów\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e10S4P:\u003c\/strong\u003e 36 V nominalnie i około 20 Ah,\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e13S4P:\u003c\/strong\u003e 46,8 V nominalnie i około 20 Ah,\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e14S4P:\u003c\/strong\u003e 50,4 V nominalnie i około 20 Ah.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eW każdym przykładzie 4P arytmetyczna suma limitów pojedynczych ogniw wynosi 4 × 15 A = 60 A w warunkach producenta. Nie jest to dopuszczalny prąd gotowego pakietu. Ograniczają go także BMS, przewody, złącza, chłodzenie i rezystancja połączeń. Ta ostatnia zależy od materiału (nikiel lub miedź), długości i przekroju taśm oraz jakości zgrzewów; straty ciepła rosną z kwadratem prądu (P = I²R). Bez projektu połączeń i kontroli temperatury nie podajemy jednej wartości dla pakietu. Przeczytaj poradnik \u003ca href=\"\/en-eu\/blogs\/news\/ogniwo-18650-czy-21700-ktore-wybrac-przewodnik-z-obliczeniami-2026\"\u003e18650 czy 21700 – jak dobrać ogniwa i policzyć pakiet\u003c\/a\u003e i zobacz inne \u003ca href=\"\/en-eu\/collections\/ogniwa-21700-auto\"\u003eogniwa 21700\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eDokumentacja\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0979\/7812\/2565\/files\/5325?v=1790062561\" target=\"_blank\" rel=\"noopener\"\u003ePobierz notę katalogową producenta Tenpower INR21700-50ME (PDF)\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBezpieczeństwo:\u003c\/strong\u003e ogniwo przemysłowe bez własnego układu zabezpieczającego. Powinno być zgrzewane i używane wyłącznie z prawidłowo dobranym BMS-em. Nie lutuj bezpośrednio do biegunów, nie zwieraj, nie przebijaj i nie używaj ogniwa z uszkodzoną koszulką.\u003c\/p\u003e","brand":"Tenpower","offers":[{"title":"Default Title","offer_id":59447635476805,"sku":"INR21700-50ME","price":10.79,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7812\/2565\/files\/tenpower-inr21700-50me-5000mah.webp?v=1790062425"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7812\/2565\/collections\/4ddad90baa6791a05b91be18b76b8ad4_df9958ca-9379-4b2d-bf73-a88517a2595e.jpg?v=1790411058","url":"https:\/\/evzero.eu\/en-eu\/collections\/ogniwa-li-ion-i-lifepo4.oembed","provider":"EVzero","version":"1.0","type":"link"}