Characteristics: (Capacity): 20 Hour Rate -7.5Ah 10 Hour Rate -6.9Ah 5 Hour Rate -6.0Ah 1 Hour Rate -4.5Ah Internal Resistance: Fully Charged Battery -24m? Self Discharge: Capacity after 3 Month Storage -91% Capacity after 6 Month Storage -81% Capacity after 12 Month Storage -60% Max Discharge Current -112.5A(5S) Terminal -F1/F2 Charge (Constant Voltage): Cycle -Initial Charging Current less than 2.25A Voltage14.4~14.7V/7°F(25°C) Physical: Dimension (WxDxH) -mm225 X 523 X 240 Net Weight (kg) -56.5