Electrical characteristics:
Nominal voltage: 48V
Nominal capacity: 75Ah
Energy: 3600Wh
Internal resistance: ≤80mΩ
Cycle life: ﹥2000 cycles @1.0C 100%DOD
Months self discharge: <3%
Efficiency of charge: 100%@0. 2C
Efficiency of discharge: 96~99%@0.5C
Standard charge:
Charge voltage: 54.0±0. 1V
Charge mode: 0.2C to 54.0V, then 54.0V, charge current to 0.02C (CC/CV)
Charge current: 15A
Max. charge current: 75A
Charge cut-off voltage: 57.6V±0. 2
Standard discharge
Continuous current: 15A
Max continuous discharge current: 75A
Discharge cut-off voltage: 37.5V
Environmental:
Charge temperature: 0°C to 45°C (32F to 113F) @60±25% relative humidity
Discharge temperature: -20°C to 60°C (-4F to 140F) @60±25% relative humidity
Storage temperature: 0°C to 40°C (32F to 104F) @60±25% relative humidity
Water dust resistance: IP21
Mechanical:
Cell & method: LC-FA027135250-75Ah 15S1P
Plastic case: iron
Dimensions (in./mm.): 442*400*176mm(17.4'*15.75'*6.93Ins)
Weight (lbs./kg.): Approx:37Kg(81.57Ibs)
Gravimetric specific energy: 97WH/KG
Protocol (optional)ModBus/RS485/RS232
SOC (optional): LED