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Old 12-17-2012, 01:08 PM   #1
Redrover98
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Join Date: Mar 2005
Location: Keystone Heights
Posts: 164
M.O.C. #3433
6 volt battery replacement

I have 4 6volt batteries in my RV with 4 solar panels.
One battery has gone bad. It has been tested with a load tester and it failed. The other three test OK. At a hundred dollars each, I don,t want to replace all four. Can I damage my controller,solar panels etc by just replacing the bad one?
 
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Old 12-17-2012, 01:25 PM   #2
Gkerlin
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Join Date: Feb 2012
Location: Beaufort
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M.O.C. #12221
You wont hurt your controller or solar... no worries there.

If the other batteries are weak however, putting a good one in there will pull it down to their level. Your battery bank is only as strong as its weakest battery.

If you are sure the others are ok, and they are not real old it will be ok. Not the best solution but not the worst.

Were all the batteries the same age? How old?
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Old 12-18-2012, 06:56 AM   #3
Tom S.
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Join Date: Aug 2007
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What Greg said. As long as you monitor the battery to see if it gets drug down by the other three, you'll be good. One thing to look for is loss of water from excessive charging.
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