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4S 16.8V 20A BMS 18650 Lithium Battery Protection Board
$5.9500
In stock
SKU
BAT-03-069
Volume discounts:
- +25 4 % $5.7300
- +50 6 % $5.6100
- +100 8 % $5.5000
- +300 9 % $5.3900
- +500 11 % $5.2800
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3S 11.1V 10A BMS 18650 Lithium Battery Protection Previous 
Upgrade your power management with the 4S 16.8V 20A BMS 18650 Lithium Battery Protection Board, a robust solution for managing 4-series (4S) lithium battery packs. This Battery Management System (BMS) is specifically engineered for 18650 batteries, ensuring your pack's combined output of 16.8V is utilized safely and effectively. It's capable of supporting a continuous discharge current of up to 20A, making it ideal for high-power applications. The board guarantees comprehensive protection for your batteries, safeguarding against overcharging, over-discharging, and short circuits, as well as overcurrent, which are essential for maintaining battery health and safety.
The 4S 16.8V 20A BMS 18650 Lithium Battery Protection Board is perfect for a range of projects, from DIY power banks to more complex systems like electric scooters or portable solar generators. Its compact size enables easy integration into your designs, without adding unnecessary bulk. With this BMS board, you can confidently build or upgrade your power solutions, knowing that it will keep your battery packs running efficiently and prevent common battery issues that can lead to downtime or damage. It's the go-to choice for hobbyists and professionals who demand reliability and performance from their battery management system.
Specification of 4S 16.8V 20A BMS 18650 Lithium Battery Protection Board:
- Dimension53mm *18mm * 4mm
- Charging voltage16.8V
- Over-discharge recovery voltage: 2.5v ± 0.05v, over-discharge-delay-time: 144ms
- Maximum operating current: 20A, Maximum instantaneous current: 20A, Static current: less than 8uA
- Resistance: less than 4mΩ
- Short circuit protection: protect and automatic recovery, Over discharge protection: yes, over-current-protection: yes
| Cell Count | 4 |
|---|---|
| Nominal Voltage (V) | 16.8V |
| Max Current (A) | 20A |
| Protection | Overcharge protection,Over-discharge protection,Short circuit protection,Over-current protection |
| Board Dimensions (mm) | 53 x 18 x 4 |
| Application | DIY,Electric scooters,Solar systems,Power banks,Portable solar generators |
| Internal Resistance | less than 4mΩ |
| Charging Voltage (Pack) | 16.8V |
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