Can a car charge its battery by idling for 10 minutes?

1 Answers
AliceMarie
07/29/25 9:49pm
Idling for ten minutes can charge the battery by approximately 5%. Here are the relevant details: Introduction: Starting the car while stationary can charge the battery. After the car is started, the alternator and voltage regulator assist in continuously charging the battery. However, since the engine is not operating under normal working conditions, relying solely on idle speed results in relatively low power output. Battery: The car battery, also known as a storage battery, is a type of battery that primarily works by converting chemical energy into electrical energy. The battery requires regular charging. If a car is not driven for an extended period, it needs to be started to charge the battery, as prolonged inactivity will cause the battery to gradually self-discharge until it is depleted. Cars should not be exposed to high-temperature or low-temperature environments for long periods. High temperatures can cause the battery to overheat, affecting its charge capacity, while low temperatures significantly reduce the battery's capacity compared to normal conditions.
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