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How can you tell if you have a dead or weak car battery?

In: Car Batteries [Edit categories]

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Fully charge the battery with a slow charge battery charger. Then take the battery to an auto parts store and have it tested. If it is over 4 years old it is probably in need of replacement.

First answer by ID1184720310. Last edit by ID1184720310. Question popularity: 50 [recommend question].

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How can you tell if you have a dead or weak car battery?

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