Can you overcharge a car battery with a charger?

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asked Jun 27 in Repairs/Maintenance by Sharlene (370 points)
Can you overcharge a car battery with a charger?

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answered Jun 27 by Grahlu (21,230 points)
Yes you certainly can overcharge a cars battery with a battery charger and I've done it myself when I forgot to unplug the battery charger one night due to being over tired and I ruined the battery since overcharging the battery boils out the acid and kills the battery.

A battery should get fully charged with a battery charger within a few hours so check on the battery every few hours to see how much charge it has in it and if you need to charge a battery overnight put it on the trickle charger which will charge the battery up more slowly to prevent overcharging the battery.

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