<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">If sealed batteries are inadvertently overcharged, H2 and O may be created at a rate beyond which the two gasses can be recombined within the cells. In this case, internal seals may open to prevent excessive pressure from accumulating and turning the battery into an explosion hazard. Venting of the enclosure is needed for the same reason. Though sealed batteries are less likely to require venting - it's a necessary safety precaution.<br><br>Dan<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="yiv583987039"><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="yiv583987039Apple-interchange-newline"><blockquote type="cite"><span class="yiv583987039Apple-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="yiv583987039WordSection1" 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 \u2013 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="yiv583987039Apple-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="yiv583987039Apple-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="yiv583987039Apple-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="yiv583987039Apple-converted-space"> </span>[mailto:re-wrenches-bounces@lists.re-wrenches.org]<span class="yiv583987039Apple-converted-space"> </span><b>On Behalf Of<span class="yiv583987039Apple-converted-space"> </span></b>jay peltz<br><b>Sent:</b><span class="yiv583987039Apple-converted-space"> </span>Sunday, December 12, 2010 4:49 PM<br><b>To:</b><span class="yiv583987039Apple-converted-space"> </span>RE-wrenches<br><b>Subject:</b><span class="yiv583987039Apple-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="yiv583987039Apple-converted-space"> </span><a rel="nofollow" ymailto="mailto:RE-wrenches@lists.re-wrenches.org" target="_blank" href="/mc/compose?to=RE-wrenches@lists.re-wrenches.org" style="color: blue; text-decoration: underline;">RE-wrenches@lists.re-wrenches.org</a><br><br>Options & settings:<br><a rel="nofollow" target="_blank"
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