What is the normal voltage of a single lead acid battery cell?
Official USCG Answer & Rule Citation
Correct Answer: Option A — 2.1 volts
A standard lead-acid battery cell produces a nominal voltage of approximately 2.1 volts when fully charged. In a 24-volt GMDSS battery bank, twelve of these cells are connected in series to provide the required nominal voltage for radio equipment operation and emergency power supply systems.
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