The nominal open circuit voltage of a lead-acid cell is _____.

The nominal open circuit voltage of a lead-acid cell is typically 2.0 volts. This value represents the voltage that can be expected when the cell is not under load and is at equilibrium conditions. Lead-acid batteries are comprised of multiple cells connected in series to achieve a higher voltage output; for instance, a standard 12-volt lead-acid battery contains six of these cells. Each of the cells contributes approximately 2.0 volts, resulting in the total voltage.

Understanding this nominal voltage is crucial in applications involving power systems, energy storage, and electric vehicles, where lead-acid batteries are commonly used. This value helps in determining the appropriate gauge of wiring and other components when designing electrical systems, as well as in assessing the state of charge and health of the battery.