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Old 02-25-2011, 03:39 PM   #1
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I have two 60 watt panels, one 45 watt panel, an a 7 amp charge controller. I have 6 six volt batteries, and a 750+ power inverter. My problem is my panels, and my charge controller, are all checking out but my charge controller is only reading 13.5 during the day and at night 11.9? I only run one 5 watt bulb at night, batteries have begun gurggling about three to four hours after dark, and the six 6 volt batteries were just pruchased in june of 2010. Any ideas?

Another question, if I have four 60 watt panels what size of a charge controller do I need, and how many six volt batteries should my bank need?

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Old 02-25-2011, 05:31 PM   #2
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Does the inverter have a fan or anything like that on it? It probably uses power on it's own just being turned on. Just a guess.

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Old 02-25-2011, 06:34 PM   #3
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I know it takes power but it doesent take that much.
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