3S 40A Li-ion Lithium Battery Charger Protection Board PCB BMS For Drill Motor 11.1V 12.6V Lipo Cell Module with Balance
Balanced version: suitable for starting current below 80A, power 170W below the drill.(with balance)
Note 1: The successful start of the drill requires three 15C-20C power battery, or six 10C-15C power battery (ordinary 18650 can not start the drill!!).