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<DIV><FONT face=Calibri>Of all the AGM batteries that we have sold in the past,
the only ones we would recommend for critical applications are the Concorde PVX
series. Been selling them for over 10 years and have never had a single warranty
claim.</FONT></DIV>
<DIV><FONT face=Calibri></FONT> </DIV>
<DIV>..................................................................................................<BR>Northern
Arizona Wind & Sun - Electricity From The Sun Since 1979<BR>Solar Discussion
Forum: <A
href="http://www.wind-sun.com/ForumVB/">http://www.wind-sun.com/ForumVB/</A><BR>..................................................................................................</DIV>
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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color: black"><B>From:</B>
<A title=jacoby_tom@hotmail.com href="mailto:jacoby_tom@hotmail.com">tom
jacoby</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A
title=re-wrenches@lists.re-wrenches.org
href="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</A>
</DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Friday, October 16, 2009 9:47
AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: [RE-wrenches] Sealed
Batteries</DIV>
<DIV><BR></DIV>Hey Daryl,
<DIV>We plan/design for 30% DOD, to be recharged by the PV on a daily basis,
with limited generator run time (as needed). We understand the benefits of
flooded batteries, but don't always have the option due to the remote nature
of several of our projects, and are thus seeking the best sealed
batteries.</DIV>
<DIV><BR></DIV>
<DIV>Thanks again,</DIV>
<DIV>Tommy</DIV>
<DIV><BR><BR>> Date: Thu, 15 Oct 2009 17:59:49 -0700<BR>> From:
daryl_solar@yahoo.com<BR>> To: re-wrenches@lists.re-wrenches.org<BR>>
Subject: Re: [RE-wrenches] Sealed Batteries<BR>> <BR>> hi tom<BR>>
give us some information on the charge/discharge cycle the batteries will
experiance. <BR>> <BR>> For long life i like flooded batteries, and you
can access the electrolite to determine SOC i like AGM over gel, but have
little experiance with either. my experiance is the agm last longer than gel,
and nither will last as long as flooded. i have 10 year flooded, and they are
still working, and I CAN NOT remember sealed over 3 years ( AGM)<BR>>
Darryl, <BR>> <BR>> --- On Thu, 10/15/09, tom jacoby
<jacoby_tom@hotmail.com> wrote:<BR>> <BR>> > From: tom jacoby
<jacoby_tom@hotmail.com><BR>> > Subject: [RE-wrenches] Sealed
Batteries<BR>> > To: re-wrenches@lists.re-wrenches.org<BR>> >
Date: Thursday, October 15, 2009, 5:26 PM<BR>> > <BR>> > <BR>>
> <BR>> > <BR>> > <BR>> > Hello,<BR>> > SELF is
considering new battery options for our off-grid<BR>> >
projects (primarily health centers in Africa at this<BR>> > time).
For the purpose of this post, assume an average<BR>> > 48V 500Ah
battery bank. We prefer sealed batteries<BR>> > because
maintenance/watering is not always available. <BR>> > <BR>> >
Does anyone have any data or experience for with the<BR>> >
following batteries? (To date we have been using the<BR>> > Deka
MKs). Any real-world data you have on cycle life<BR>> > vs. depth
of discharge would be great.<BR>> > <BR>> > 1. Universal Power
Group (UPG) AGMs (i.e. UB 8D)<BR>> > <BR>> > 2. Power Battery
PSG/AG product line (i.e. PSG-12255FT)<BR>> > <BR>> > 3. Lifeline
(i.e. 8D or L16)4. Surrette AGMs<BR>> > <BR>> > I am welcome to
other suggestions as well.<BR>> > <BR>> > <BR>> > Thanks in
advance,<BR>> > <BR>> > Tommy Jacoby<BR>> > <BR>> >
<BR>> > Hotmail: Powerful Free email with<BR>> > security by
Microsoft. Get<BR>> > it now. <BR>> > <BR>> > -----Inline
Attachment Follows-----<BR>> > <BR>> >
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