HW-296 3S/4S 40A 60A Li-ion Lithium Battery Charger Protection Board 18650 BMS For Drill Motor 11.1V 12.6V/14.8V 16.8V Enhance/Balance. 

• High charge and discharge current; Compact size and lightweight.
• High-accuracy voltage detection circuit, fine workmanship and durable.
• Over-discharge protection, overcurrent protection, overcharge protection.
• MOS transistor can control the battery charge and discharge, low standby current consumption.

Specifications Of HW-296 4S 40A Enhance Li-ion Lithium Battery Protection Board 18650:

• Product model: HW-296
• Charging voltage: DC 16.8-17.8V
• Continuous discharge current: 40A maximum (if the heat dissipation environment is not good, please reduce the load current)
• Continuous charging current: up to 20A
• Product size: 45*60*4mm
• Applicable choice: Suitable for lithium battery with nominal voltage of 3.7V and full charge of 4.2V
• (including 18650, 26650, polymer lithium battery), can be drilled below 170W

Package Included In Specifications Of HW-296 4S 40A Enhance Li-ion Lithium Battery Protection Board 18650::
1*Lithium battery protection board