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Should the battery's negative terminal be disconnected when a car is parked for a long time?

1 Answers

SanHaley

07/29/25 4:07pm

When a car is parked for a long time, the battery's negative terminal should be disconnected to prevent battery drain. If the car is started and driven every few days, disconnecting the negative terminal is unnecessary. It is recommended to start the car every few days and drive a certain distance, which is beneficial not only for the battery but also for the tires, engine, and transmission. When a car is parked for an extended period, only one point of the tire contacts the ground, which can cause flat spots on the tires. Flat spots reduce the tire's lifespan, so driving a short distance after starting the engine can prevent this issue. If the engine is not started for a long time, the battery is prone to draining. Prolonged battery drain can significantly reduce the battery's lifespan.

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