Specifications: Nominal voltage: 12V Capacity(10HR, 25oC) Dimension: Length 406mm(15.98inch) Width 173mm(6.81inch) Height 214mm(8.43inch) Total Height 243mm(9.57inch) Approx.weight 31.5kg Capacity affected by temperature(10HR) 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) 13.38to 13.80V Cyclic charging voltage(25oC) 14.40 to 15.00V Maximum charging current 30A Terminal material Lead Maximum discharge current 800A(5 sec.)