4 String 14.8V/40A 18650 Lithium Battery Protection Board Current Peak 40A Over-Current Protection (BMS)

4S 40A Li-ion Lithium Battery 18650 Charger PCB BMS Protection Board with Balance For Drill Motor 14.8V 16.8V Lipo Cell Module Specification: Charging voltage: 16.8V – 18.1V Overcharge detection voltage: 4.28 0.05 V Overcharging voltage: 4.2-4.3V Over-discharge voltage: 2.5 ±0.08 Overcharge detection delay time 0.1s Temperature range -40~85 Short circuit detection delay time: 100ms Over-current detection delay time: 500 ms Balanced current: 100mA Working current: 40A Overcurrent: 80A Short circuit protection function: there is, disconnect the load can be self-recovery. Size: 60 x 45 mm Category: CHARGERs