<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">

<head>
<meta http-equiv=Content-Type content="text/html; charset=us-ascii">
<meta name=Generator content="Microsoft Word 12 (filtered medium)">
<style>
<!--
 /* Font Definitions */
 @font-face
        {font-family:Calibri;
        panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
        {font-family:Tahoma;
        panose-1:2 11 6 4 3 5 4 4 2 4;}
@font-face
        {font-family:"Century Gothic";
        panose-1:2 11 5 2 2 2 2 2 2 4;}
 /* Style Definitions */
 p.MsoNormal, li.MsoNormal, div.MsoNormal
        {margin:0in;
        margin-bottom:.0001pt;
        font-size:12.0pt;
        font-family:"Times New Roman","serif";}
a:link, span.MsoHyperlink
        {mso-style-priority:99;
        color:blue;
        text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
        {mso-style-priority:99;
        color:purple;
        text-decoration:underline;}
span.EmailStyle17
        {mso-style-type:personal;
        font-family:"Arial","sans-serif";
        color:windowtext;}
span.EmailStyle18
        {mso-style-type:personal-reply;
        font-family:"Century Gothic","sans-serif";
        color:windowtext;
        font-weight:normal;
        font-style:normal;
        text-decoration:none none;}
.MsoChpDefault
        {mso-style-type:export-only;
        font-size:10.0pt;}
@page WordSection1
        {size:8.5in 11.0in;
        margin:1.0in 1.25in 1.0in 1.25in;}
div.WordSection1
        {page:WordSection1;}
-->
</style>
<!--[if gte mso 9]><xml>
 <o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
 <o:shapelayout v:ext="edit">
  <o:idmap v:ext="edit" data="1" />
 </o:shapelayout></xml><![endif]-->
</head>

<body lang=EN-US link=blue vlink=purple>

<div class=WordSection1>

<p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic","sans-serif"'>Has
an energy/load analysis ever been run?<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic","sans-serif"'>How
does this compare to the battery bank size?<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic","sans-serif"'><o:p> </o:p></span></p>

<div>

<p class=MsoNormal><span style='font-family:"Century Gothic","sans-serif"'>Thanks, 
Dana Orzel<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-family:"Century Gothic","sans-serif"'><o:p> </o:p></span></p>

<p class=MsoNormal><span style='font-family:"Century Gothic","sans-serif"'>Great
Solar Works, Inc<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-family:"Century Gothic","sans-serif"'>E -
dana@solarwork.com<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-family:"Century Gothic","sans-serif"'>V -
970.626.5253<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-family:"Century Gothic","sans-serif"'>F -
970.626.4140<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-family:"Century Gothic","sans-serif"'>C -
970.209.4076<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-family:"Century Gothic","sans-serif"'>web
- www.solarwork.com<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-family:"Century Gothic","sans-serif"'><o:p> </o:p></span></p>

<p class=MsoNormal><span style='font-family:"Century Gothic","sans-serif"'>"Responsible
Technologies for Responsible People since 1988"</span><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p>

</div>

<p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic","sans-serif"'><o:p> </o:p></span></p>

<div>

<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>

<p class=MsoNormal style='margin-left:.5in'><b><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'> re-wrenches-bounces@lists.re-wrenches.org
[mailto:re-wrenches-bounces@lists.re-wrenches.org] <b>On Behalf Of </b>Kirk
Herander, VSE<br>
<b>Sent:</b> Friday, October 22, 2010 1:40 PM<br>
<b>To:</b> 'RE-wrenches'<br>
<b>Subject:</b> [RE-wrenches] Battery cell shorting<o:p></o:p></span></p>

</div>

</div>

<p class=MsoNormal style='margin-left:.5in'><o:p> </o:p></p>

<p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;
font-family:"Arial","sans-serif"'>Hello,<o:p></o:p></span></p>

<p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;
font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>

<p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;
font-family:"Arial","sans-serif"'>I have an off-grid battery / generator /
SW4024 system which has destroyed -3- sets of batteries in the last five years.
By destroyed I mean multiple batteries having shorted cells, with electrolyte
literally steaming out of them and bulging badly. The last two sets were Rolls
T12-250’s. The first set was Trojan T105’s. This system has no
solar, and I would not be surprised if the generator ran 10-12 hours a day
charging the batteries, for the residents don’t believe in energy
efficiency. I could see the batteries cycling to the point of being useless
after a couple years, but the scary thing is the condition I’ve witnessed
multiple times now. Any ideas as to why this has happened repeatedly across
different brands of batteries? Thanks.<o:p></o:p></span></p>

<p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;
font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>

<p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;
font-family:"Arial","sans-serif"'>Kirk Herander</span><o:p></o:p></p>

<p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;
font-family:"Arial","sans-serif"'>Vermont Solar Engineering</span><o:p></o:p></p>

<p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;
font-family:"Arial","sans-serif"'>802.863.1202</span><o:p></o:p></p>

<p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;
font-family:"Arial","sans-serif"'>NABCEP(tm) Certified Solar Installer</span><o:p></o:p></p>

<p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;
font-family:"Arial","sans-serif"'>NYSERDA-eligible Installer</span><o:p></o:p></p>

<p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;
font-family:"Arial","sans-serif"'>VT Solar Incentive Program Partner</span><o:p></o:p></p>

<p class=MsoNormal style='margin-left:.5in'><o:p> </o:p></p>

</div>

</body>

</html>