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Why is your car battery overcharging?

Updated: 10/21/2022
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13y ago

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Defective voltage regulator. Some are built into the alternator and some are external.

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13y ago
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Q: Why is your car battery overcharging?
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What causes a new car battery to expand?

Overcharging.


Can a car battery be damaged with a falty alternator?

Yes if the alternator is overcharging the battery.


What causes the electrolyte level in a car battery to be low often?

Overcharging. Check your electrical system to see if the alternator is overcharging the battery. It can also be the battery is defective and needs replacing.


When attempting to recharge a car battery what might cause the destruction of the good battery?

Reversing the cables when you connect them. Overcharging the battery.


Why did your car battery crack?

Overcharging or defective battery. They will also crake in freezing temperatures if the battery has lost it's charge.


How do you use battery charger for car?

using car maintainer,,,, There is a big difference in a regular Battery Charger and a Battery Maintainer. A Maintainer will keep a battery charged and can be connected full time without overcharging. The usual Battery Charger is for intermittent use at times when your battery is so weak that it must be recharged in a short time, then disconnected from the charger to keep it from overcharging. A good Maintainer can not overcharge.


What is the cause of the rotten egg smell your car makes when you drive it?

It's possible that your alternator is overcharging your battery.


Should a 6 volt positive ground car shut off if the battery is disconnected and why is it always overcharging if it has a generator?

No, it will not shut off. Overcharging because the voltage regulator is defective.


My car battery is boiling?

Disconnect it. let it cool and replace it. If you battery is boiling that is an indication the alternator is overcharging the battery. Have the alternator checked at any auto parts store.


What causes a car battery to bulge?

The bulging is caused by gassing. This is caused by overcharging or by a short circuit inside the battery. The acid inside the battery is turned to gas and it expands the sides of the battery.


Your alt light is on but battery is charging?

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Test/replace the voltage regulator. The year, make and model info would help.