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ContinuousWave: Small Boat Electrical
Removing Battery Cap During Charging
|Author||Topic: Removing Battery Cap During Charging|
posted 12-02-2009 02:59 PM ET (US)
[Sought opinions on the need to remove a battery's caps when the battery is being charged.]
posted 12-02-2009 08:48 PM ET (US)
You don't ever have to take the caps off to charge a battery.
posted 12-03-2009 12:31 AM ET (US)
That's not entirely true. My experiance with batteries says that as long as no foreign matter can get to the cells, it is better to remove caps to prevent gases from building up and rupturing a cell. And yes, I have sean cells rupture. It is better to connect the charger first then remove the caps. If you remove caps first, there is a chance the the gases given off will ignite from the spark caused by making the connection. Granted, it is a very small risk but my buddy blew up a battery while he was leaning over it and it splashed acid in his face.
posted 12-03-2009 08:30 AM ET (US)
Not necessary to remove the caps. They are made to vent. Plus they can limit the amount of gases released around your battery thus reducing the risk of corrosion to surrounding metal.
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