This product is a battery protection board designed for 4 series lithium battery pack of 14.4V, 14.8V and 16.8V. It avoids damage during charging or discharge and thus prolong the service time of your battery pack. And the board is equipped with multiple protective functions including overcharge protection, overdischarge protection, overcurrent protection and short circuit protection, so you can use it safely.

Specifications:
Overcharge Test Voltage: 4.25±0.025V
Overcharge Relieve Voltage: 4.15±0.05V
Over Discharge Test Voltage: 2.50±0.08V
Over Discharge Relieve Voltage: 3.00±0.1V
Over Current: 20~30A
Running Current: 15A(need heat sink); 10A(suggested)
Termination Conditions: Remove protection condition automatic recovery, without activation(optional charger activation)
Function: Overcharge protection, over discharge protection, short circuit protection, over-current protection.
Working Temperature: -40 to +85 degrees(ambient temperature too high, please strengthen cooling)
Installation Method: Welding
Weight: 6g(approx.)

Package Includes:
1×4S Li-ion Lithium Battery Charger Protection Board