Bak – 21700 : 5000mAh Lithium Cell
Descriptions :
Bak 21700 : 5000mAh Cell
5000mAh Rechargeable Lithium ion Cell BAK – 21700
- Brand – BAK
- Volt- 3.6V
- Actual Capacity 5000mAh
- Weight : 95 gram
- Size : Cylindrical
- Battery Type : Lithium-Ion
- Capacity : 5000mAh
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Safety Features: Compatible with Battery Management System (BMS) for overcharge, over-discharge, and short circuit protection
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Applications: E-bikes, power tools, electric vehicles, flashlights, energy storage systems, custom battery packs
The BAK 21700 – 5000mAh Lithium-Ion Cell delivers powerful and long-lasting energy specifically designed for high-drain devices. Furthermore, it is engineered to provide both excellent performance and durability, making it a reliable choice for demanding applications. This high-capacity cell is ideal for use in e-bikes, power tools, electric vehicles, energy storage systems, and high-performance flashlights.
Specifically, the cell features a 5000mAh capacity combined with a nominal voltage of 3.7V, allowing it to provide longer runtimes and higher energy output compared to standard 18650 batteries. Moreover, the larger 21700 cylindrical form factor offers greater power density while maintaining a compact size. This makes it perfect for systems that require increased capacity without adding extra bulk or weight.
The BAK 21700 cell incorporates advanced lithium-ion chemistry, which ensures low self-discharge rates and strong thermal stability. As a result, it maintains consistent performance over time. The cell also boasts an excellent cycle life, typically lasting more than 500 full charge-discharge cycles under normal usage conditions. Therefore, it is widely trusted by professionals and battery pack builders for its reliability and longevity.
In addition to being fully rechargeable, the cell supports both standard and high-rate discharging, making it suitable for high-power applications. When paired with a Battery Management System (BMS), it benefits from critical safety features that protect against overcharging, over-discharging, and short circuits. Consequently, this combination significantly enhances the overall safety and performance of the battery system.
