: rgb(33, 33, 33); The 4S 30A BMS for Battery of LifePO4 chemistry is a high quality, reliable BMS. It comes in use with LifePO4 batteries. Its a high current protection circuit board but it has no balancing circuit. It has continuous discharge current of 30A (Max). The BMS provides overcharge protection, over discharge protection, and over current detection. This 4S 30A BMS module is usable with LifePO4 Battery with 4S (4 Series) Design. NOTE: This BMS Does not provide balance charging of battery. Charging Voltage: 14.8V to 18V Charge Current: 20A (max) Constant Discharge Current: 30A Max discharge current: 56 A Overcharge detection: 3.75V +- 0.05V Overcharge Release: 3.6V +- 0.05V Over discharge Detect: 2.1V +- 0.08V Over Discharge Release: 2.3V +- 0.1V Over current Protection: 56 +- 10 A over current Protection Release Condition: Cut Load Working Temperature: -30 to 80deg C. Power Features4S 30A BMS for LifePO4 Battery Pack, Charging Current: 20A, Charging Voltage: 14.8V to 18V, Continuous Discharge Current: 30A,Model Number4S 30A Battery Management System ( BMS ) - LifePO4,Power Source: DCRoHS Compliant