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NO! never remove the acid caps! EVER!

only if it is a battery to something like an ATV or dirt bike you would take the acids caps off and only to refill the acid.

if it is a normal car battery just leave them on.

if you are talking about the (+) and (-) battery TERMINAL caps then on some vehicles you have to take them off so that the charger can come in contact with the battery posts.

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13y ago

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Q: Do you need to remove the battery acid caps when charging?
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