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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I will look at these for other jobs, our client wants
maintenance free on this one though.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:navy'>Sincerely,<br>
<br>
Chris Worcester<br>
NABCEP Certified PV Installer<br>
Phone: 530-582-4503<br>
Fax: 530-582-4603<br>
<a href="http://www.solarwindworks.com/"><span style='color:blue'>www.solarwindworks.com</span></a><br>
<a href="mailto:chris@solarwindworks.com"><span style='color:blue'>chris@solarwindworks.com</span></a><br>
"Proven Energy Solutions"</span><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
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<p class=MsoNormal><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>toddcory@finestplanet.com<br>
<b>Sent:</b> Wednesday, November 26, 2008 1:08 PM<br>
<b>To:</b> RE-wrenches<br>
<b>Subject:</b> Re: [RE-wrenches] More on AC coupling - SI and SB<o:p></o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>What about
the new Surrette FC420's? The latest SOLARPRO mag has a tiny blurb on them at
the bottom of page 28. Two sets in parallel (630 a/h) would meat your criteria
and would perform much better than sealed batteries. <br>
<br>
I have been beta testing a set here at home and they seem to be doing fine. I
hope I get 20 years out of em.<br>
<br>
Todd<br>
</span><span style='font-size:13.5pt;font-family:"Arial","sans-serif"'><br>
<br>
On Wednesday, November 26, 2008 8:57am, "Chris Worcester"
<chris@solarwindworks.com> said:<o:p></o:p></span></p>
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style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>With
two SI5048’s sucking on this battery bank there is the possibility of some serious
current transfer taking place. We are proposing an absolute minimum battery
size that can go full load draw down for three hours, to 50% DOD, my
inclination is to make this 6 hours. At 3 hours we would need a 500 amp hour
battery. What are others doing about battery sizing in this scenario? (our
client hasn’t revealed what loads he wants to back up unfortunately so we are
approaching this in this manner)</span><o:p></o:p></p>
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