Specifications: Nominal voltage: 2V Dimension: Length 490mm(19.29inch) Width 350mm(13.78inch) Height 350mm(13.78inch) Total Height 382mm(15.04inch) Approx.weight 129kg Capacity affected by temperature(20HR) 40oC 102% 25oC 100% 0oC 85% -15oC 65% Self-discharge(25oC) 3 months Remaining capacity: 91% 6 months Remaining capacity: 82% 12 months Remaining capacity: 65% Normal operating temperature 25oC±3oC(77oF±5oF Operating temperature range -15oC~50oC(5oF~122oF) Float charging voltage(25oC) 2.23 to 2.30V Cyclic charging voltage(25oC) 2.40 to 2.50V Maximum charging current 400A Terminal material Copper Maximum discharge current 11000A(5 sec.)