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  Removing Battery Cap During Charging

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Author Topic:   Removing Battery Cap During Charging
sjtaylor posted 12-02-2009 02:59 PM ET (US)   Profile for sjtaylor   Send Email to sjtaylor  
[Sought opinions on the need to remove a battery's caps when the battery is being charged.]
fishgutz posted 12-02-2009 08:48 PM ET (US)     Profile for fishgutz  Send Email to fishgutz     
You don't ever have to take the caps off to charge a battery.
HAPPYJIM posted 12-03-2009 12:31 AM ET (US)     Profile for HAPPYJIM  Send Email to HAPPYJIM     
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.
fishgutz posted 12-03-2009 08:30 AM ET (US)     Profile for fishgutz  Send Email to fishgutz     
http://www.interstatebatteries.com/www/faqs/tech_talk/maintenance/ charging.htm
http://www.battery-chargers.com/charging_instructions.htm
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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