Specifications Electric Characteristics Temperature Parameters Nominal Voltage 12V Number of Cells 6 Capacity (77° F/25° C) 100Ah (20 Hour Rate to 10.5V) Internal Resistance 6 mn Self-discharge Rate {77° F/25°C) <3% 13.6V-13.8V Cycle Use Voltage (77 ° F/25° C) 14.2V-14.