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Yep, sure sounds like you have a bad cell. It may be covered under
warranty. You can jumper around it, to temporarily take it out of the
system while you secure a replacement. Reset the charge settings to
23/24 of what they'd be otherwise. <br>
<br>
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<p class="MsoNormal" style=""><span class="il"><b style="">Allan</b></span><b
style=""> Sindelar</b><span style="font-size: 10pt;"><br>
<a href="mailto:Allan@positiveenergysolar.com" target="_blank"><span
class="il">Allan</span>@positiveenergysolar.com</a><br>
NABCEP Certified Photovoltaic Installer<br>
EE98J Journeyman Electrician<br>
<b style="">Positive Energy, Inc.</b><br>
3201 Calle Marie<br>
Santa Fe, New Mexico 87507<br>
<b style="">505 424-1112</b><br>
<a href="http://www.positiveenergysolar.com/" target="_blank">www.positiveenergysolar.com</a></span></p>
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<br>
On 6/20/2010 11:24 AM, <a class="moz-txt-link-abbreviated" href="mailto:dan@foxfire-energy.com">dan@foxfire-energy.com</a> wrote:
<blockquote
cite="mid:20100620102408.720a661d8db719b1f2ad39509c9edaa3.a84d39fa0b.wbe@email04.secureserver.net"
type="cite"><span
style="font-family: Verdana; color: rgb(0, 0, 0); font-size: 10pt;">
<div>Sure sounds like you lost a cell... what's the resting voltage
of that battery compared to the other three? (-1/6?) db<br>
</div>
<div><br>
</div>
<div><br>
Dan Brown<br>
Foxfire Energy Corp.<br>
Renewable Energy Systems<br>
(802)-483-2564<br>
<a moz-do-not-send="true" href="http://www.Foxfire-Energy.com">www.Foxfire-Energy.com</a><br>
NABCEP #092907-44<br>
<br>
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<blockquote id="replyBlockquote" webmail="1"
style="border-left: 2px solid blue; margin-left: 8px; padding-left: 8px; font-size: 10pt; color: black; font-family: verdana;">
<div id="wmQuoteWrapper">-------- Original Message --------<br>
Subject: [RE-wrenches] Bad Cell<br>
From: "Mark Frye" <<a moz-do-not-send="true"
href="mailto://markf@berkeleysolar.com">markf@berkeleysolar.com</a>><br>
Date: Sun, June 20, 2010 1:12 pm<br>
To: <<a moz-do-not-send="true"
href="mailto://re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</a>><br>
<br>
<title>Bad Cell</title>
<div><font size="2" face="Arial">On a battery back with 4 - 12v HUP
1690 Ah wired for 48VDC, I went out the other day and "charged" up the
bank and give it a fair amount more at an equalizing voltage.</font></div>
<div><font size="2" face="Arial">I checked the specific gravity
pretty much right away with the batteries still warm and bubbling. All
cells read about 1.260, except a single cell that appears to have an
graivity of 1.000.</font></div>
<div><font size="2" face="Arial">Is this normal for a single cell
in a bank to crap out completely while all the others remain in fairly
good condition?</font> </div>
<div><font size="2" face="Arial">The bank is 6 years old and has
been equiped with a Watermaster system from day one.</font> </div>
<div><font size="2" face="Arial">I can't believe that I have
somehow washed out 3 gallons of electrolyte by overfilling or something.</font>
<br>
<font face="Arial"> </font> <br>
<font size="2" face="Arial">Mark Frye</font> <br>
<font size="2" face="Arial">Berkeley Solar Electric Systems</font> <br>
<font size="2" face="Arial">303 Redbud Way</font> <br>
<font size="2" face="Arial">Nevada City, CA 95959</font> <br>
<font size="2" face="Arial">(530) 401-8024</font> <br>
<a moz-do-not-send="true" target="_blank"
href="http://www.berkeleysolar.com"><u><font size="2" color="#0000ff"
face="Arial">www.berkeleysolar.com</font></u></a><font size="2"
face="Arial"> </font> </div>
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