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Although most chargers are equipt with auto cut off when the battery is charged, the battery will only draw enough power it will take. It power is forced, it could result in an explosion. You can damage or blow up the battery.

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16y ago
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15y ago

Yes. New intelligent battery chargers incorporate a temperature sensor that monitors the case of the charging battery.When the temperature rises ,a sign of it being fully charged, the current is switched off. Ordinary chargers carry on charging after the battery is fully charged and slowly boil off the electrolyte giving the cell a smaller capacity to retain charge. In extreme cases overcharging can buckle the cell's plates causing an internal short circuit.

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15y ago

If you over charge a battery it could boil the electrolyte, drying out the battery's plates.

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Q: What happens if you over charge a battery?
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Related questions

What happens if batteries were charged longer?

You can ruin an otherwise good battery by overcharging it. Most auto battery chargers shut off automatically when the battery is fully charge, but there are manual chargers that do not. If you use a manual charger then be careful and do not over charge the battery.


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You cannot charge it connected backwards. You will destroy the battery.


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F you over charge your phone battery It will die faster


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It will destroy the battery.


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no, but it will damage the battery.


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A battery loses its charge over time. You need a new battery.


What happens to 12 volt battery with 6 volt charge?

The battery will attempt to charge the charger since the battery is at a higher voltage than the charger. Thus, the battery will simply discharge and generate heat. If you leave it plugged in long enough, eventually the battery will discharge to a point where it can maintain only 6V, where it will stay until you actually charge the battery.


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