How long does it take to fully charge a depleted car battery by driving?

1 Answers
VanLilah
07/29/25 12:50pm
It takes about an hour of driving to fully charge a depleted car battery. If charging the car battery at idle speed, the time required to fully charge will be even longer. However, the voltage provided by the generator can ensure the operation of some electrical devices, but may not meet the power demands of high-power devices such as air conditioners and car audio systems. Therefore, after parking, all electrical devices in the car should be turned off to avoid battery depletion due to prolonged inactivity. This could prevent the car from starting normally the next time you try to ignite the engine.
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