BMS voltage cut of   10.1 v Charging is 12.6 to 18v is ok NOTE:01 1) This board is not suit high power electronic tools, if use for screwdriver and drill,electric bike series make,fishing machine , please don't buy this. Pcb Bms For Drill Motor 11.1V 12.6V Lipo Cell Module BMS activate method : Use 12.6V Li-ion  charger to charge it Scope: Nominal voltage of 3.6V, 3.7V lithium battery (including 18650,26650, polymer lithium battery) Product Size: 42 * 60 * 3.4mm (balanced version) Product weight: 9.8g (balanced version) Charging voltage: 12.6V - 13.6V Continuous discharge current (upper limit): 40A (if the cooling environment is not good, please reduce the load current use) Continuous charge current (upper limit): 20A Balance version: suitable for starting current below 80A, power 135W below the drill. Note 02 : try not to put a good battery and poor battery mixed together! Note 03 When the load of the brush motor is used, try to connect a non-polar capacitor (withstand voltage above 25V, capacity 10uF-100uF) to the motor's positive and negative terminals to prevent the reverse spike from the motor. Break the MOS tube.

Highly supported for oppo all brands vivo Xiaomi Sony Samsung  Apple 3.5mm Earphone Headphone Quality: AAAAA Color: Black Cable: about 1M Volume control With Mic