Correct answer
12 volts.
This battery has a nominal voltage of 12 V: six cells of approximately 2 V connected in series. Measured voltage can vary with charge state and system operation. Not every vehicle battery is 12 V; traction batteries and some commercial-vehicle systems use other voltages. A battery stores chemical energy rather than electric current.
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12 volts.
2 volts.
30 volts.
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