7S 29.4V 4.2V Balance Function Protection Board 66mA 7S Li-ion Lipo Battery Lithium 18650 Batteries Balanced Module BMS PCB
USD 1.26
7S 29.4V 4.2V Balance Function Protection Board 66mA 7S Li-ion Lipo Battery Lithium 18650 Batteries Balanced Module BMS PCB