Can a car battery be charged while idling?

1 Answers
KeeganFitz
07/30/25 6:04am
Car batteries can be charged while idling. Car idling refers to the engine running without load, only overcoming the friction resistance of internal components without delivering external power output. The functions of the battery are: 1. Providing strong starting current to the starter when starting the engine; 2. Assisting the generator in powering electrical equipment when the generator is overloaded; 3. Powering electrical devices when the engine is idling; 4. Protecting the car's electrical appliances. Battery maintenance methods include: 1. Checking the electrolyte level monthly and replenishing with distilled water appropriately; 2. Performing external charging promptly when battery voltage is insufficient; 3. Preventing overcharging or prolonged power deficiency; 4. Ensuring vent holes remain unobstructed during use to avoid battery deformation or explosion; 5. Securely installing the battery in the vehicle to minimize vibration.
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