<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">Wrenches,<br>Thanks for all the input on insulated vs. non insulated battery banks. I was setting up my 48VDC HUPS at my new off grid home when the thread started and read all posts with interest. Two weeks past and I feel much better educated about this subject, but ironically still don't know whether to insulate or not insulate. Both sides have valid points. I noted with interest that Rob at NWES and James at Surrette did not weigh in. Maybe preferring to let us hash it out among ourselves, but also perhaps because there is no one answer.<br>At any rate, thanks to all for many solid cases made both for and against insulating batteries. <br>Nathan Jones<br>Power Source Solar Inc.<br>417-827-0738<br><br><br><br>--- On <b>Mon, 12/13/10, jay peltz <i><jay@asis.com></i></b> wrote:<br><blockquote style="border-left: 2px solid rgb(16, 16, 255); margin-left:
 5px; padding-left: 5px;"><br>From: jay peltz <jay@asis.com><br>Subject: Re: [RE-wrenches] To insulate a battery bank DEPENDS on a lot of factors.<br>To: "RE-wrenches" <re-wrenches@lists.re-wrenches.org><br>Date: Monday, December 13, 2010, 6:30 PM<br><br><div id="yiv663659025"><base>Hi Dana,<div><br></div><div>The manufacturers that I've read, do say they should be in a vented enclosure.</div><div>But your point is taken,</div><div><br></div><div>thanks,</div><div><br></div><div>jay</div><div><br></div><div><br><div><div>On Dec 13, 2010, at 8:32 AM, Dana wrote:</div><br class="yiv663659025Apple-interchange-newline"><blockquote type="cite"><span class="yiv663659025Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing:
 0px; font-size: medium;"><div style="word-wrap: break-word;" lang="EN-US"><div class="yiv663659025WordSection1" style=""><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: serif;"><span style="font-size: 14pt; font-family: sans-serif;">Sealed batteries do not require a vent , therefore no air passage – less influence of ambient exterior temps to the bank. Perhaps on a small bank this would have an influence.</span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: serif;"><span style="font-size: 14pt; font-family: sans-serif;">On a large bank in a low usage scenario, IE: second home with no one home, the system may be full by 10AM and the fan runs for most of the day inducing cool air.</span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: serif;"><span style="font-size: 14pt; font-family: sans-serif;">  </span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt;
 font-family: serif;"><span style="font-size: 14pt; font-family: sans-serif;">Granted most systems have a present [physically] home owner. I have many systems that float for a good part of the winter, awaiting the arrival of either the owner for a week or spring.</span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: serif;"><span style="font-size: 14pt; font-family: sans-serif;">  </span></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: serif;"><span style="font-family: sans-serif;">Dana Orzel</span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: serif;"><span style="font-family: sans-serif;">Great Solar Works, Inc</span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: serif;"><span style="font-family: sans-serif;">E -<span class="yiv663659025Apple-converted-space"> </span><a rel="nofollow" ymailto="mailto:dana@solarwork.com"
 target="_blank" href="/mc/compose?to=dana@solarwork.com" style="color: blue; text-decoration: underline;">dana@solarwork.com</a></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: serif;"><span style="font-family: sans-serif;">V - 970.626.5253</span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: serif;"><span style="font-family: sans-serif;">F - 970.626.4140</span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: serif;"><span style="font-family: sans-serif;">C - 970.209.4076</span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: serif;"><span style="font-family: sans-serif;">web -<span class="yiv663659025Apple-converted-space"> </span><a rel="nofollow" target="_blank" href="http://www.solarwork.com" style="color: blue; text-decoration: underline;">www.solarwork.com</a></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt;
 font-family: serif;"><span style="font-family: sans-serif;">  </span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: serif;"><span style="font-family: sans-serif;">"Responsible Technologies for Responsible People since 1988"</span><span style="font-size: 11pt; font-family: Calibri,sans-serif;"></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: serif;"><span style="font-family: sans-serif;">Do not ever belive anything, but seriously trust through action.</span></div></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: serif;"><span style="font-size: 14pt; font-family: sans-serif;">  </span></div><div><div style="border-style: solid none none; border-top: 1pt solid rgb(181, 196, 223); padding: 3pt 0in 0in;"><div style="margin: 0in 0in 0.0001pt 0.5in; font-size: 12pt; font-family: serif;"><b><span style="font-size: 10pt; font-family:
 Tahoma,sans-serif;">From:</span></b><span style="font-size: 10pt; font-family: Tahoma,sans-serif;"><span class="yiv663659025Apple-converted-space"> </span><a rel="nofollow" ymailto="mailto:re-wrenches-bounces@lists.re-wrenches.org" target="_blank" href="/mc/compose?to=re-wrenches-bounces@lists.re-wrenches.org" style="color: blue; text-decoration: underline;">re-wrenches-bounces@lists.re-wrenches.org</a><span class="yiv663659025Apple-converted-space"> </span>[mailto:re-wrenches-bounces@lists.re-wrenches.org]<span class="yiv663659025Apple-converted-space"> </span><b>On Behalf Of<span class="yiv663659025Apple-converted-space"> </span></b>jay peltz<br><b>Sent:</b><span class="yiv663659025Apple-converted-space"> </span>Sunday, December 12, 2010 4:49 PM<br><b>To:</b><span class="yiv663659025Apple-converted-space"> </span>RE-wrenches<br><b>Subject:</b><span class="yiv663659025Apple-converted-space"> </span>Re: [RE-wrenches]
 To insulate a battery bank DEPENDS on a lot of factors.</span></div></div></div><div style="margin: 0in 0in 0.0001pt 0.5in; font-size: 12pt; font-family: serif;">  </div><div style="margin: 0in 0in 0.0001pt 0.5in; font-size: 12pt; font-family: serif;">HI Dana,</div><div><div style="margin: 0in 0in 0.0001pt 0.5in; font-size: 12pt; font-family: serif;">  </div></div><div><div style="margin: 0in 0in 0.0001pt 0.5in; font-size: 12pt; font-family: serif;">I'm curious about why you differentiate sealed vs. flooded batteries?</div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: serif;"><span style="font-size: 14pt; font-family: sans-serif;">  </span></div></div></div> _______________________________________________<br>List sponsored by Home Power magazine<br><br>List Address:<span class="yiv663659025Apple-converted-space"> </span><a rel="nofollow" ymailto="mailto:RE-wrenches@lists.re-wrenches.org" target="_blank"
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