Your car’s 12-volt battery is one of its most vital components. It’s responsible for sending electricity to the starter motor, which, in turn, sends power to the ignition system and cranks the engine. The battery also powers accessories, like the radio, air conditioning, and power windows, when the engine is turned off and the ignition key is in the ON position. While it’s only in use for a second under normal conditions, your car’s battery has a big job,
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