• Expected lifetime: 8 - 10 years • Capacity (25 ° C): 55 Ah • Voltage: 12V • Maximum charging current: 16.5 A • Overall height: 215 mm • Height: 211 mm • Width: 138 mm • Length: 230 mm • Weight: 17.3 Kg + - 4% • Internal resistance (25 ° C): 6.5 mΩ when fully charged • Self discharge: 2-3% per month at 25 ° C • Capacity (40 ° C): 102% • Capacity (25 ° C): 100% • Capacity (0 ° C): 85% • Capacity (-15 ° C): 65% • Buffer charge: 13.5 - 13.8 V (-18 mV / C) • Cyclic charging: 14.5 - 15.0 V (-30 mV / C)