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<DIV><FONT size=2 face=Arial>Had that arrangement used a buss bar instead of
paralleling the bank together through the batteries that part of it wouldn't
have been a problem. I'm still puzzled by the off-grid community's
resistance to designing battery banks the way large telco banks are designed,
using buss bars as parallel connections and the inverter connection point and
leaving the series strings physically isolated from one another.</FONT></DIV>
<DIV> </DIV>
<DIV style="FONT: 10pt Tahoma">
<DIV><BR></DIV>
<DIV style="BACKGROUND: #f5f5f5">
<DIV style="font-color: black"><B>From:</B> <A title=windsun@wind-sun.com
href="mailto:Windsun@wind-sun.com">Windsun@wind-sun.com</A> </DIV>
<DIV><B>Sent:</B> Tuesday, December 01, 2009 8:28 AM</DIV>
<DIV><B>To:</B> <A title=re-wrenches@lists.re-wrenches.org
href="mailto:re-wrenches@lists.re-wrenches.org">RE-wrenches</A> </DIV>
<DIV><B>Subject:</B> Re: [RE-wrenches] concord batteries, EQUALIZE
Them!</DIV></DIV></DIV>
<DIV><BR></DIV>
<DIV><FONT size=2 face=Calibri>You gotta wonder about why the customer bought
such a battery layout, or why the installer sold that kind of configuration
(which ever it was) with so many small batteries. We would never recommend
going over 2 parallel banks, but sometimes the "customer knows
best...".</FONT></DIV>
<DIV><FONT size=2 face=Calibri></FONT> </DIV>
<DIV>..................................................................................................<BR>Northern
Arizona Wind & Sun - Electricity From The Sun Since 1979<BR>Solar Discussion
Forum: <A
href="http://www.wind-sun.com/ForumVB/">http://www.wind-sun.com/ForumVB/</A><BR>..................................................................................................</DIV>
<BLOCKQUOTE
style="BORDER-LEFT: #000000 2px solid; PADDING-LEFT: 5px; PADDING-RIGHT: 0px; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color: black"><B>From:</B>
<A title=tcreswell@ozarkenergyservices.com
href="mailto:tcreswell@ozarkenergyservices.com">Travis Creswell</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A
title=re-wrenches@lists.re-wrenches.org
href="mailto:re-wrenches@lists.re-wrenches.org">'RE-wrenches'</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Tuesday, December 01, 2009 11:18
AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: [RE-wrenches] concord
batteries, EQUALIZE Them!</DIV>
<DIV><FONT size=2 face=Calibri></FONT><FONT size=2 face=Calibri></FONT><FONT
size=2 face=Calibri></FONT><FONT size=2 face=Calibri></FONT><BR></DIV>
<DIV class=Section1>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt">Then you can patch
together one or two strings in effort to get the system in some sort of
operational state while the owner digests that his $12,000 ($300 each x 40)
battery is toast but even if you could fix it, it’s just a bad band-aid and he
needs to pony up another $8k-$12k for a real battery
bank.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt">Gotta go, good
luck!<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt">Travis
Creswell<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt">Ozark Energy
Services<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></FONT></P>
<DIV><FONT size=2 face=Calibri></FONT> </DIV></DIV></BLOCKQUOTE>
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