How Long Should the Engine Idle When the Car Battery Is Dead?

1 Answers
JourneyMarie
07/24/25 12:53am
It requires idling for 60 minutes to recharge when the battery is dead. Below is relevant information about car batteries: Battery lifespan: A car battery is relatively a wear-prone component. With each charge and discharge cycle, the battery's performance gradually deteriorates. Under normal circumstances, with proper usage habits, a battery can last 3-4 years. Battery charging current: The ideal charging current for a standard lead-acid battery is one-tenth of its capacity. Battery maintenance: Avoid using power-consuming electronic devices such as headlights or audio systems for extended periods when the engine is not running. During winter nights, try to park in underground parking lots or garages to prevent low temperatures from shortening the battery's service life.
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