Glossary / Electrical

battery voltage

11 Episode Mentions
Too Afraid to Ask

Think of it as how much power the battery can give. When the car is running, it should be a bit higher than when it's off.

Technical Definition

Battery voltage measures the electrical potential of a car’s battery; normal resting voltage is around 12.5 volts, and it rises to about 14 volts when the alternator charges.

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