AMS Brand BMS Battery Management System AMS-NMC-20200 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 : 20A Rapid : 60A Maximum : 100A Discharging Current Standard : 140A Rapid : 200A Peak : 300A (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