Samsung 53G vs 50E vs 50S vs LG M58T: which 21700 cell should you choose?
Udostępnij
The 21700 format is today's standard for anyone building a battery pack for real range and power — e-bikes, performance scooters, Sur-Ron, EUC. A bigger can than the 18650 means more energy and lower internal resistance per cell, but the differences between models are huge: from 4000 to 5800 mAh and from 9.8 A to 40 A of continuous current.
In this comparison we take five 21700 cells available at evzero.eu — LG M58T, Samsung 53G, Samsung 50E, Samsung 50S and EVE 40P — and show which one fits which project. All available as new, original A-grade cells, with shipping across the whole EU.
If you're still torn between the 18650 and 21700 format, start with our 18650 vs 21700 guide — it has the calculations and formulas.
Technical data in one table
| Parameter | LG M58T | Samsung 53G | Samsung 50E | Samsung 50S | EVE 40P |
|---|---|---|---|---|---|
| Nominal capacity | 5800 mAh | 5300 mAh | 5000 mAh | 5000 mAh | 4000 mAh |
| Minimum capacity | 5570 mAh | 5140 mAh | 4900 mAh | 4900 mAh | — |
| Energy (Wh, approx.) | ~20.8 Wh | ~19.2 Wh | ~18.0 Wh | ~18.0 Wh | ~14.4 Wh |
| Continuous discharge current (CDR) | 12.5 A | 15 A | 9.8 A | 35 A | 40 A |
| Nominal voltage | 3.59 V | 3.63 V | 3.6 V | 3.6 V | 3.6 V |
| Maximum voltage | 4.2 V | 4.2 V | 4.2 V | 4.2 V | 4.2 V |
| Cut-off voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Internal resistance | ~15–17 mΩ | ~13 mΩ | ~26–35 mΩ | ~14 mΩ | 9.1 mΩ |
| Weight | ~73 g | ~70 g | ~69 g | ~72 g | ~70 g |
| Chemistry | INR (Li-NMC) | INR (Li-NMC) | INR (Li-NMC) | INR (Li-NMC) | INR (Li-NMC) |
| Cycle life (>80% SoH) | ~500 | ~1000 | ~500 | ~500 | ~500 |
| Manufacturer | LG Energy Solution | Samsung SDI | Samsung SDI | Samsung SDI | EVE Energy |
Data based on official manufacturer datasheets and product specifications. Values may vary slightly between production batches — if in doubt, ask us for the current datasheet before buying a larger batch.
LG INR21700-M58T — the capacity record holder
The LG M58T is currently one of the highest-capacity 21700 cells on the market — 5800 mAh in a single can. That's roughly an 800 mAh difference compared to a typical "5000-class" 21700 cell, which in real terms means more kilometers per charge without changing the pack configuration.
When should you choose the M58T?
- E-bikes and scooters built for range — maximum Wh with the same number of cells in the pack
- Touring / commuting packs — calm riding, where distance is the priority, not acceleration
- EUC (electric unicycles) — where every extra Wh directly extends riding time
- Upgrading older packs — swapping 4000–4900 mAh cells for the M58T gives a noticeable range boost without changing the housing
The M58T's weak point
12.5 A of continuous current is an average result for a 21700 — on an aggressive Sur-Ron or a performance scooter the cell will be working at the edge of its capability. This is a cell for range, not for sprints.
Samsung INR21700-53G — high capacity, solid current
The Samsung 53G combines what other cells make you choose separately: 5300 mAh at 15 A continuous current. This is the cell for those who don't want to compromise between range and power — and one of the few models in this comparison with a declared lifespan of up to 1000 cycles while retaining 80% capacity (twice as much as the competition).
When should you choose the 53G?
- E-bikes 750 W – 1500 W — high continuous current without losing capacity
- Packs for Sur-Ron / e-motorcycles with moderate power — a solid balance
- Performance scooters — acceleration and range in one
- Projects where long-term pack durability matters — higher cycle life means slower degradation
The 53G's weak point
The price. Capacity + current + cycle life at this level make this a top-shelf cell — priced accordingly. If your budget is limited and your requirements moderate, the 50E or M58T will give a similar effect for less.
Buy the Samsung 53G at evzero.eu
Samsung INR21700-50E — energy in its purest form
The 50E is a cell optimized for a single goal: maximum energy per gram and per cubic centimeter, without paying extra for current that most users won't use anyway. 5000 mAh at a reasonable weight of ~69 g makes it one of the most versatile "do-everything" choices.
When should you choose the 50E?
- E-bikes up to 750 W with a calm riding style — commuting, daily routes, touring
- Standard/premium electric scooters — capacity translates directly into range
- DIY power banks and energy storage — the best Wh-to-price ratio in this comparison
- Replacement packs for devices with a factory ~5000 mAh cell — a direct "upgrade with no modifications"
The 50E's weak point
9.8 A is the lowest continuous current in this group. With more powerful drives (Sur-Ron, e-motorcycles, aggressive acceleration) the cell will heat up faster and lose capacity sooner. It's a specialist in range — not sprints.
Buy the Samsung 50E at evzero.eu
Samsung INR21700-50S — power with no compromises
The 50S is a rare combination: 5000 mAh of capacity at 35 A continuous current. Usually high capacity and high current rule each other out — the 50S breaks that rule, and it's one of the few 21700 cells on the market in this category.
When should you choose the 50S?
- Sur-Ron, e-motorcycles, performance scooters — full power without losing range
- Packs for dynamic riding — frequent acceleration, hill climbs, an aggressive style
- High-end power tools — short, intense current spikes
- Packs with fewer parallel strings (P) — a high CDR lets you reduce the number of cells per parallel string at the same load
The 50S's weak point
This combination of parameters doesn't come cheap — the 50S is a premium cell, priced accordingly. If your project doesn't need high currents, you're paying for power you won't use.
Buy the Samsung 50S at evzero.eu
EVE INR21700-40P — the high-current specialist
The EVE 40P sits at the extreme end of the spectrum: 40 A continuous current with an internal resistance of just 9.1 mΩ — the lowest in this comparison. This is a cell designed from the ground up for extreme loads, not for range.
When should you choose the EVE 40P?
- Sur-Ron, racing e-motorcycles, VTOL drones — maximum peak current and minimal heating
- Packs with few parallel strings but high current draw — e.g. 12S2P instead of 12S4P at the same load
- High-power professional tools — saws, demolition hammers, battery-powered construction equipment
- Projects where cell operating temperature is critical — lower resistance = less heat at the same current
The EVE 40P's weak point
4000 mAh is the lowest capacity in this comparison — almost 1800 mAh per cell less than the M58T. With the same number of cells in the pack, range will be noticeably shorter. This is a cell for power, not distance.
Which cell for what — decision table
| Use case | Recommendation | Why |
|---|---|---|
| E-bike up to 750 W, range priority | LG M58T | Highest capacity in the group (5800 mAh) |
| E-bike 750–1500 W, power/range balance | Samsung 53G | 5300 mAh + 15 A + highest cycle life |
| Electric scooter, daily commuting | Samsung 50E or LG M58T | Capacity > current for calm riding |
| Sur-Ron / e-motorcycle, dynamic riding | Samsung 50S | 35 A while keeping 5000 mAh — a rare combination |
| Racing Sur-Ron / drones / pro tools | EVE 40P | 40 A and the lowest resistance — maximum peak power |
| EUC (unicycles), maximum riding time | LG M58T | Every extra Wh extends operating time |
| DIY power bank / energy storage | Samsung 50E | Best Wh-to-price-and-weight ratio |
| Pack with few parallel strings | EVE 40P or Samsung 50S | High CDR lets you reduce P in the configuration |
How do these cells work with a BMS?
All five models are cells without a built-in PCM (unprotected, "bare can") — meant to be integrated into a pack with an external BMS (Battery Management System). The BMS is responsible for:
- protection against overcharging (>4.2 V) and over-discharging (<2.5 V)
- protection against short circuits and overheating
- balancing voltages between cells in the pack
When choosing a BMS, the total continuous current of an entire parallel string is critical. Example: a 12S3P pack with EVE 40P cells (40 A per cell × 3P) theoretically generates 120 A of continuous current — the BMS needs to handle that with margin. By comparison, the same pack with LG M58T cells (12.5 A × 3P) is "only" 37.5 A.
The higher a cell's CDR, the fewer parallel strings (P) you need at the same load — but that also means lower total pack capacity, unless you compensate with a higher-capacity cell (as with the 50S).
Contact evzero.eu — we'll help you choose the pack and BMS configuration for your project.
FAQ — most common questions about 21700 cells
Which 21700 cell has the highest capacity?
In this comparison it's the LG M58T — 5800 mAh. It's one of the highest capacities currently available in the 21700 format on the consumer market, about 800 mAh more than typical "5000-class" cells (50E, 50S, M50L).
Which 21700 cell can handle the highest current?
The EVE 40P — 40 A continuous current, with the lowest internal resistance in the group (9.1 mΩ). Right behind it is the Samsung 50S at 35 A — the difference being that the 50S offers 1000 mAh more capacity.
Can you mix different 21700 cell models in one pack?
No. Different internal resistance, discharge curve and capacity cause uneven load on the cells, speed up degradation of the weaker ones, and make the BMS's job harder. Always build a pack from cells of the same model — ideally from the same production batch.
Samsung 53G or LG M58T — which one for an e-bike?
It depends on your riding style. The M58T gives more range (5800 vs 5300 mAh) for calm riding. The 53G gives more power (15 A vs 12.5 A) and almost double the cycle life (1000 vs ~500 cycles) — a better choice if you ride dynamically or want a pack that will last years without replacement.
Do 21700 cells fit every scooter or e-bike?
The cell format (21700 vs 18650) determines pack dimensions — not every factory housing can fit larger 21700 cells. Before buying, check whether your pack is designed for this format, or whether you're building a pack from scratch (DIY), where you have full freedom of choice. If in doubt, write to us and we'll advise.
Where to buy original 21700 cells in Poland and the EU?
evzero.eu offers class A 21700 cells — new, unused, original units from Samsung SDI, LG Energy Solution and EVE Energy, with shipping across the European Union.
See all 21700 cells at evzero.eu
Summary
- LG M58T → choose this when maximum range matters and you ride in a calm style (5800 mAh, 12.5 A)
- Samsung 53G → choose this when you want a balance of power, capacity and durability with no compromises (5300 mAh, 15 A, up to 1000 cycles)
- Samsung 50E → choose this when the priority is energy per dollar and per gram at moderate currents (5000 mAh, 9.8 A)
- Samsung 50S → choose this when you need power without losing capacity — a rare 5000 mAh / 35 A combination
- EVE 40P → choose this when peak current and low operating temperature matter more than range (4000 mAh, 40 A, 9.1 mΩ)
All five are A-grade cells from Tier 1 manufacturers (Samsung SDI, LG Energy Solution, EVE Energy) — none will disappoint in its category. The choice comes down to a single question: what matters more in your project — kilometers or horsepower?
Not sure about your pack configuration? Write to us — we'll help you choose the right cells for your use case.
Article prepared by the evzero.eu team — a specialist shop for Li-Ion cells for electromobility and DIY projects.