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<DIV><FONT size=2 face=Arial>If you have to parallel 4 banks do it through a
buss bar, not by interconnecting cells. A few extra cables is a small
price to pay for the added stability and easier maintenance.</FONT></DIV>
<DIV><FONT size=2 face=Arial></FONT> </DIV>
<DIV><FONT size=2 face=Arial>Tom</FONT></DIV>
<DIV> </DIV>
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<DIV style="font-color: black"><B>From:</B> <A title=starpower4u@juno.com
href="mailto:starpower4u@juno.com">Jeff Oldham</A> </DIV>
<DIV><B>Sent:</B> Tuesday, June 22, 2010 7:14 AM</DIV>
<DIV><B>To:</B> <A title=re-wrenches@lists.re-wrenches.org
href="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</A>
</DIV>
<DIV><B>Subject:</B> Re: [RE-wrenches] For Big Bank Off Grid System
Connoisseurs</DIV></DIV></DIV>
<DIV><BR></DIV>Those HUP batteries are still under warranty and you very well
may have a free cell waiting for you, give Rob or Jean a call at NWES and run it
past them. They offer 1st rate CS and should take good care of you. You won't
get much for used batteries so I would be inclined to keep them in service even
though 4 strings in parallel is not ideal. I've had reasonable luck with 4
strings paralleled by getting my battery/inverter cables all over the bank, at
the least put 1/2 of your inverters across 2 strings and the other 1/2 on the
remaining 2 strings (still parallel all 4 strings).<BR><BR>You never mentioned
an EQ cycle either, with that limited Absorption time it should happen at least
every 6 weeks. <BR><BR><BR>From the Solar, Wind and Hydro powered office of Jeff
Oldham/Regenerative SOLutions <BR><BR><FONT color=#000000
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