AJMRTC 2S 10A 7.4V Lithium Battery Protection Board 8.4V BMS with Balance Function, Overcharge Over Discharge Over Current Short Circuit Protection, for 2 Series Li-ion Battery Pack DIY Power Supply

AJMRTC 2S 10A lithium battery BMS protection board is specially designed for 2-series 7.4V lithium-ion battery packs, with full charge voltage at 8.4V. It comes with passive balance function to balance the voltage difference between two battery cells, extend overall battery service life. This module integrates multiple safety protection mechanisms including overcharge protection, over-discharge protection, over-current protection and short-circuit protection, which can effectively prevent battery damage caused by abnormal current and voltage. Adopting stable electronic components, the board features low heating during normal operation. Compact PCB structure supports simple wiring and convenient installation. Widely used for DIY 18650 battery packs, portable power supplies, small lighting equipment and other low-power devices. Please strictly follow the wiring diagram to avoid wrong connection that may burn the board.

1. Brand: AJMRTC
2. Model: 2S 10A BMS
3. Battery Series: 2S Li-ion
4. Nominal Voltage: 7.4V
5. Full Charge Voltage: 8.4V
6. Continuous Discharge Current: 10A
7. Protection Functions: Overcharge, Over-discharge, Over-current, Short Circuit
8. Balance Function: Built-in Cell Balancing
9. Battery Type: 2 Series 18650 / Li-ion Battery
10. Application: DIY Battery Pack, Portable Power, Small Electronic Equipment
11. Note: Please follow wiring instruction, wrong wiring will damage the module