A car battery is recharged primarily by the car's alternator while the engine is running.
The Role of the Alternator
The alternator is a crucial component in recharging your car battery. Here's how it works:
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Powered by the Engine: The alternator is connected to the engine via a belt. As the engine runs, it spins the alternator.
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Generating Current: Inside the alternator is a magnetic coil that, when spun, generates an electrical current.
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Recharging the Battery: This generated current is then routed back to the car battery, replenishing its charge as you drive. This system ideally keeps the battery topped up.
