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New Post 6/14/2011 11:33 AM
126 posts

House Batteries 
Installed four new house batteries recently and am having a problem. They do not seem to hold a charge. (They are deep cycle.) Checked the levels and they are fine. Hooked them up the same way as the old ones. They seem fully charged within 30 minutes; 8 hours (or much less) there is no juice. Does anyone have any idea?
New Post 6/14/2011 11:34 AM
  el fuller
96 posts

Re: House Batteries 
Do you have an amp meter (either clamp on on meter/shunt)
to tell what the current draw is on the batteries?

You could have something putting excess load on the batteries.
New Post 6/14/2011 11:35 AM
89 posts

Re: House Batteries 
I would check for clean and tight connections and/or a cable that may have developed a loose terminal end while in the changing process.
Also, it is not uncommon for new deep cycle batteries to require a few cycles to develop their full capacity.
New Post 6/14/2011 11:36 AM
106 posts

Re: House Batteries 
Can you tell us more about the new batteries? Are they 6v or 12v? What size? Are they identical to the old ones? If nothing else has changed since you installed new batteries, it has to be something about the batteries you bought or the way they were installed. For example, if you changed from 6v to 12v or vice versa, the batteries would not hook up the same.
New Post 6/15/2011 7:19 AM
189 posts

Re: House Batteries 
Check to be sure your charging system (altenator) is working. If so, you probably got them hook up wrong.
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