BMS 2S 10A 18650 Lithium Battery Protection Board (7.4V-8.4V)
Currently unavailable
No store has this product in stock right now. Prices below are the last ones we recorded.
Prices updated: 13 Oct 2026
Price history
Lowest daily price, last 90 days
Not enough price history yet.
About this product
A 2S lithium battery protection board for two series-connected 18650 cells, rated for a maximum input current of 10 A. It is designed for charging voltage of 8.4 to 9 V and discharge cut-off around 2.5 to 3 V, with an operating temperature range of -40 to 50 °C and an internal resistance below 45 mΩ.
Specifications
- Cell configuration
- 2S (2 cells in series)
- Charging voltage
- 8.4V-9V
- Discharge voltage
- 2.5-3V ±0.05V
- Maximum input current
- 10A
- Operating temperature
- -40 to 50 °C
- Internal resistance
- Less than 45 mΩ
- Life cycle
- >50000H
Frequently asked questions
What is the difference between this and the 20A version?
This board is rated for a maximum input current of 10 A, while the 20A version has a 13 A operating and 20 A limiting current. Choose this board for loads up to about 10 A.
How do I connect the cells?
Wire the cells in series and connect the balance leads in order from negative to positive (B-, B1, B2), following the markings on the board. Verify polarity before connecting the pack.
