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SMART BT Shark 48V 20Ah Samsung 50E Battery – Water Bottle Battery for Electric Bicycle + 3A Fast Charger (Premium Durability)

SMART BT Shark 48V 20Ah Samsung 50E Battery – Water Bottle Battery for Electric Bicycle + 3A Fast Charger (Premium Durability)

Regular price 2.499,00 zł
Regular price 2.499,00 zł Sale price 2.499,00 zł
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Technical Specification

Parameter Value
Nominal Voltage 48V (46.8V)
Actual pack capacity 20Ah
Stored energy 936Wh
Cell configuration 13S4P (52 cells in the pack)
Cell model Samsung INR21700-50E (5000mAh)
Maximum current draw (BMS) 40A
Maximum charging current 5A
Electronics / Protections Smart BMS JiaBaiDa Bluetooth (Temperature control)
Charger parameters included 54.6V 3A (Fast charging)
Connectors / Cables Output: XT60 (4mm² cables) / Input: mini XLR
Casing / Mounting Shark type (Mounting rail compatible with Shark system)

What the set includes (Package contents)

  • 1x SMART BT Shark 48V 20Ah battery pack with Samsung 50E cells.

  • 1x Dedicated 3A fast charger (54.6V) ensuring efficient energy replenishment.

  • 1x Shark mounting base/rail with XT60 cable (approx. 30cm).

  • Complete installation accessories: 5 pcs. M5x20 mounting screws and 4 pcs. M5 rivet nuts.

  • Stabilizing elements: Positioning and vibration damping rubbers for the bicycle frame.

  • Set of keys: 2 pcs. for the mechanical anti-theft lock.

  • Documentation: User manual with warranty card and rating label.


Huge range and uncompromising durability for years to come Discover a proven bottle-type battery in a Shark casing, built on a 13S4P configuration using 52 brand new Samsung INR21700-50E cells. This is an option for cyclists who prioritize maximum, predictable range (a remarkable 936Wh of pure energy) and the highest lifespan above all else. Honest, reliable technical parameters without marketing exaggerations guarantee stable operation and complete confidence on every kilometer of the route.

Samsung INR21700-50E – The most durable cell in the offering The Samsung 50E cells used are absolute premium class and a synonym for reliability in the world of Li-Ion technology. They are characterized by excellent manufacturing repeatability, which is crucial for the even operation of the entire pack. This model stands out with excellent capacity stability and no significant increase in internal resistance over time. With moderate current draw, these cells reward with an exceptionally long lifespan, enduring hundreds of charging cycles without drastic drops in performance.

Full control with Smart BMS JiaBaiDa (Bluetooth) At the heart of safety and optimal energy management is a modern Smart BMS by JiaBaiDa with a Bluetooth module. Thanks to a dedicated mobile application for smartphones, you can monitor the temperature of the cells and the system, precise charge level, operating current, and the balancing status of individual sections in real-time.

Faster charging and Polish manufacturing quality Included with the battery is an efficient 3A charger. It is significantly faster than standard, factory chargers, drastically reducing the time needed to store energy before the next trip. The battery is entirely produced in Poland with the highest technological standards, equipped with a reinforced mini XLR charging socket and 4mm² output cables, guaranteeing full resistance to loads and shocks.


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