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How Many Years Can a Car Battery Last?

1 Answers
Madeleine
07/25/25 12:43am

An automotive battery can typically last for 2-3 years. Below is extended knowledge about car batteries: Metrics for measuring battery lifespan: Cycle life and float life. Cycle life refers to the number of times a battery can be recharged; float life refers to the duration a battery can operate while simultaneously receiving charge from the engine and supplying power to electrical devices when fully charged. Factors affecting cycle life: Cycle life is related to the depth of discharge each time. For example, a certain brand's battery can be cycled 500 times if it's discharged halfway and then fully recharged each time; however, if it's completely discharged before each recharge, it can only be cycled 300 times.

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