Specifications Electric Characteristics Temperature Parameters Nominal Voltage 12V Number of Cells 6 Capacity (77° F/25 ° C) 200Ah (20 Hour Rate to 10.SV) Internal Resistance 4.2 mn Self-discharge Rate {77° F/25 °C) ° 77° Ft9 ° F (25 °Ct5 °C) Normal Operating Temperature Discharge: -4° F-140° F (-20°C-60°C) Operating Temperature Range Charge: 32° F-122° F (0 °C-50° C) -4° F-140 ° F (-20°C-60°C) Storage Temperature Range <3% ° Float Charge Voltage (77 F/25 C) 13.6V-13.