Model: NCM4815-R13S No. Item Characteristics Remarks 1 Nominal Capacity 10Ah Fully charged @1C to 54.6V for 2.5 hrs, then discharge to 39V @ 0.2C. 2 Nominal Voltage 48V 3 Charging Cut-off Voltage 54.6V 4 Discharge Cut-off Voltage 39V 5 Max. Charging Current 5A(0.5C) 6 Max. Discharging Current 30A(2C) 7 Operating Temperature Charge 0-45°C Discharge -20-60°C 8 Storage Temperature -20-45°C for 1Month -20-35°C for 6Months 9 Dimension 149*83*360mm Battery case size 10 Weight 6.0Kg Approximate value