<div dir="ltr">I think I would go with Lithium technology for a bi-polar battery or installer disorder, ask your doctor or psychiatric health provider ;-)<div><br><div>I am chalking this up to old-time off-grid lore I've never heard of before. and I'm an old-timer at off-grid too. The way to protect those string end batteries from problems is the same as every other battery in the series/parallel bank -- regular maintenance to maintain clean low-resistance connections, but especially on the main corner DC connections to the inverter / power panel etc.</div><div><br></div><div>Perhaps a case of "it ain't broke, don't fix it, been workin' fine all these years?"</div><div><br></div><div>. </div><div><br></div><div><br><div><div><br></div></div></div></div></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><span style="font-size:12.8000001907349px">Dan Fink</span><div style="font-size:12.8000001907349px">Adjunct Professor, Ecotech Institute</div><div style="font-size:12.8000001907349px">IREC Certified Instructor™ for: </div><div style="font-size:12.8000001907349px">~ PV Installation Professional</div><div style="font-size:12.8000001907349px">~ Small Wind Installer</div><div style="font-size:12.8000001907349px">Executive Director, Buckville Energy</div><div style="font-size:12.8000001907349px">NABCEP / IREC / ISPQ Accredited Continuing Education Providers™<br><a href="tel:970.672.4342" value="+19706724342" style="color:rgb(17,85,204)" target="_blank">970.672.4342</a></div><br> </div></div></div></div></div></div>
<br><div class="gmail_quote">On Thu, Oct 1, 2015 at 4:58 PM, Brian Teitelbaum <span dir="ltr"><<a href="mailto:bteitelbaum@aeesolar.com" target="_blank">bteitelbaum@aeesolar.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div bgcolor="white" lang="EN-US" link="blue" vlink="blue"><div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">But boB…</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Wouldn’t you end up with a bi-polar battery bank?</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Or just a bi-polar installer?</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Seriously though, I have never seen such a thing either in my 30+ years of working with battery systems. It’s kind of like using an L16 as the last battery on a string of golf-cart batteries. Yes, it would go through less-deep discharges than the smaller batteries, but would it last longer? These folks seem to think so. Interesting idea, but not sure that they really gain anything for the extra cost.</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Brian</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">AEE Solar</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><div><div style="border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0in 0in 0in"><p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext"> RE-wrenches [mailto:<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" target="_blank">re-wrenches-bounces@lists.re-wrenches.org</a>] <b>On Behalf Of </b><a href="mailto:boB@midnitesolar.com" target="_blank">boB@midnitesolar.com</a><br><b>Sent:</b> Thursday, October 01, 2015 2:23 PM<br><b>To:</b> RE-wrenches<br><b>Subject:</b> Re: [RE-wrenches] Five L16s in a 24V string?</span></p></div></div><div><div class="h5"><p class="MsoNormal"> </p><div><p class="MsoNormal"><br>I would think that doing this would be asking for un-balanced batteries in the string (un-equal battery voltage)<br><br>But I guess I can't argue with success ?<br><br>Put the positive battery in the middle then so it won't be on the end ? :) <span> :-) </span><br><br>boB<br><br><br><br>On 10/1/2015 2:07 PM, Starlight Solar Power Systems wrote:</p></div><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><p class="MsoNormal" style="margin-bottom:12.0pt">Took about a minute to draw with Pages on a Mac.</p><div><div><p class="MsoNormal">On Oct 1, 2015, at 1:22 PM, Allan Sindelar <<a href="mailto:allan@sindelarsolar.com" target="_blank">allan@sindelarsolar.com</a>> wrote:</p></div><p class="MsoNormal"> </p><div><div><p class="MsoNormal" style="background:white">….Larry, nice drawing below. What did you use, as I need to learn it too?</p></div><div><p class="MsoNormal" style="margin-bottom:12.0pt;background:white"><br>Allan</p><div><p class="MsoNormal" style="background:white"><b>Allan Sindelar</b><br><span style="font-size:10.0pt"><a href="mailto:allan@sindelarsolar.com" target="_blank"><u>allan@sindelarsolar.com</u></a></span><br><span style="font-size:10.0pt">NABCEP Certified PV Installation Professional<br>NABCEP Certified Technical Sales Professional<br>New Mexico EE98J Journeyman Electrician<br>Founder (Retired), Positive Energy, Inc.<br><b><a href="tel:505%20780-2738" value="+15057802738" target="_blank">505 780-2738</a> cell</b><br><br></span></p><p class="MsoNormal" style="background:white"> </p></div></div></div></div></blockquote><p class="MsoNormal"> </p></div></div></div></div>
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