4S 40A Li-ion Lithium Battery 18650 Charger PCB BMS Protection Board with Balance for Drill Motor 14.8V 16.8V Lipo Cell Module

Description

High Quality; Compact size and lightweight;High-accuracy voltage detection circuit; fine workmanship and durable; stable performance. Multiple Protections: Over-discharge protection, overcurrent protection, overcharge protection; High charge and discharge current LOW STANDBY CURRENT: MOS transistor can control the battery charge and discharge, low standby current consumption. Applications:It is suitable for lithium batteries with nominal voltage of 3.7V and full voltage of 4.2V (including 18650, 26650, polymer lithium batteries, no size limit).Besides, it can use for electric drill with starting current below 80A and power below 135W . 4S 40A 16.8V Li-ion Lithium Battery Protection Board PCB BMS Charger Protection Circuit Balance Charging Module for Drill Motor Motorcycle Battery