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Answered 2006-12-14 01:24:27

The battery only stores electricity, it does not create it. The alternator puts back the energy that was used by the starter and also provides enough electrical energy to keep the accessories running without draining the battery. If the alternator isn't operating properly the battery will discharge. Many auto parts retailers will test your alternator for free in hopes of selling you a new alternator or other part that will help you solve your problem.

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