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Old 04-07-2013, 08:54 PM   #373
Raskal311
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Join Date: Mar 2011
Location: Santa Ana/Westminster
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Some charger will tell you how full the batter is or you can check the volt. Full charge should be almost 13v I think. 6v will run the pump at half power so it last twice as long. My last DIY tank only lasted 4-5 hours on a charge at 12v.
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