3X 17S 60V 45A Protection Board Li-Ion Lipolymer Battery UPS Energy Inverter BMS PCB Board with Balance for E-Bike Discharge current: 45A Main circuit conduction internal resistance: less than or equal to 15m ohm Charging current (same port): 45A Charging voltage: ternary battery 71.4V Overcharge protection: Overcharge detection voltage: 4.25 +/- 0.025V Overcharge protection delay: 100 +/- 50ms Overcharge release voltage: 4.15 +/- 0.05V Over discharge voltage protection Overdischarge detection voltage: 2.8 +/- 0.08V Overdischarge detection delay: 100 +/- 50ms Overdischarge release voltage: ternary battery 3.0 +/- 0.1V Short circuit protection: Short circuit protection condition: external load short circuit Short circuit detection delay: 300uS Short circuit protection release condition: Disconnect load/charge activation Balance voltage: Battery balance detection voltage: 4.18 +/- 0.025V Battery balance release voltage: / Battery balance current: 42 +/- 5mA Overcurrent protection: Detection delay: 100 +/- 50ms Protection release condition: Disconnect load/charge activation Self-consumption: less than or equal to 50μA Working temperature: -30 Celsius/+80 Celsius Product application range: Electric vehicles, tricycles, low-speed vehicles, energy storage, UPS, solar inverters, 18-120V equipment. Colour: silver Material: metal +PCB Size: 120x60x10mm Different batches, product appearance and color may be different, does not affect the use Package Contents: 3 x Protection Board 6 x cable