AMS Brand Battery Management System AMS-NMC-20100 works for 4s-20s NMC

Working Voltage 11V to 84V Charging Voltage per cell 4.25 V Discharge Cut off Trigger Voltage per cell 2.75 Volts Overcharge/Over discharge protection delay 1 sec Overcharge release voltage 4 V Overdischarge release voltage 3.2 V Charging Current Standard : 10A Rapid : 30A Maximum : 50A Discharging Current Standard : 70A Rapid : 100A Peak : 150A (Strictly up to 2 sec only) Charging Method Constant Voltage (CC-CV) Balance detect voltage & Current 4v & 36mA Short circuit detect delay 350us Short circuit release mechanism Load Disconnect BMS sleeping current 100uA Operating Temperature Charge : -15-45oC Discharge : -15-45oC Storage Temperature -10 to 30oC Initial Internal Impedance ≤ 2m *