4S 40A Li-ion Lithium Battery Charger Protection Board 18650 BMS For Drill Motor 11.1V 12.6V/14.8V 16.8V Enhance/Balance
USD 1.91
4S 40A Li-ion Lithium Battery Charger Protection Board 18650 BMS For Drill Motor 11.1V 12.6V/14.8V 16.8V Enhance/Balance