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Re: [GMCnet] Bought-Solar Panels [message #153991] Wed, 21 December 2011 20:32 Go to previous message
Dan Winchester is currently offline  Dan Winchester   United States
Messages: 61
Registered: August 2006
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Each of the 6 volt batteries is 220 amp-hours, when connected in series you get 220 amp-hours. The effective amp-hours is from the fact you should not discharge standard lead acid batteries more then 50% leaving only 110 amp-hours for your use. If you are using generator to charge batteries you can only get back to about 80% charge with reasonable generator run times leaving you with only 66 effective amp-hours.

Of course these effective amp-hours can be extended if you run generator longer or are willing to sacrifice battery life with deeper discharges.

Dan Winchester
www.dwinchester.com

Dan Winchester
www.dwinchester.com

----- Reply message -----
From: "Larry C" <slawrence111@yahoo.com>
Date: Wed, Dec 21, 2011 9:52 am
Subject: [GMCnet] Bought-Solar Panels
To: <gmclist@temp.gmcnet.org>



We are running with 2 6-volt batterys for the house bank, about 220 amp-hours giving about 110 usable.

Pardon me stepping in here for info. I am beginning a study of solar to get more in depth with what I already know and to study other peoples set ups. I am particularly interested in the operation of the smaller set ups such as yours.

When you say you have a house bank of 220 amp hours, are your batteries 110Amp hour rating?

When two 110 amp hour batteries are connected in series, you get the 12v increase but the amp hour stays the same at 110 amp hour.

thanks for any help.


DEC 21
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our last confession was when Truman was president.
Erma Bombeck
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