原車的用了7年，換了Interstate的目前第6年，“年輕化”清理充電了2次。

A completely dead car battery cannot be jumped

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The most common reasons for a dead battery are cold weather, age and leaving the lights on overnight. If a jump-start revives your engine, your problem was most likely a dead battery. If you cannot jump-start your car, the battery may be completely discharged or damaged.