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<DIV><SPAN class=812245214-15092009><FONT face=Arial color=#0000ff
size=2>Surrette battery has just come out w/ their newest product.....AGM
batteries. They also have quite a paper on charging these units. Perhaps someone
at Surrette or their web site has the "Rolls AGM Battery Charging Instructions"
if not contact me off list.TUMP</FONT></SPAN></DIV>
<DIV><FONT face=Arial color=#0000ff size=2></FONT> </DIV>
<DIV> </DIV>
<DIV align=left> <A
href="mailto:Tump@swnl.net"><STRONG>Tump@swnl.net</STRONG></A><FONT
face=Arial> <SPAN class=597035700-05092007><FONT
face="Times New Roman"> <FONT
color=#0000ff><U><A
href="http://www.swnl.net/"><STRONG>www.SWNL.net</STRONG></A></U></FONT></FONT></SPAN></FONT><BR> <FONT
color=#0000ff><SPAN
class=597035700-05092007> </SPAN><SPAN
class=597035700-05092007><FONT size=5>Solarwinds
Northernlights</FONT></SPAN></FONT> </DIV>
<DIV align=left><STRONG><EM> Serving Mid Coast Maine & Northern
California<BR> Me.# 207-832-7574 Cl.#
610-517-8401</EM></STRONG></DIV>
<DIV align=left> </DIV>
<DIV
align=left><EM><STRONG>
<FONT color=#0000ff>Blair "TUMP" May</FONT></STRONG></EM></DIV>
<DIV align=left><STRONG><EM> ********
MAINE'S CHARTER ********<BR> <FONT
color=#008000> <U>
NABCEP "Certified PV
Installer"</U></FONT></EM></STRONG><STRONG><EM><U> <BR></U>
<BR> ******** MAINE'S CHARTER
********<BR> </EM></STRONG><STRONG><EM><FONT color=#008000><U>Trace
Xantrex "Certified" Dealer / Installer"<BR></U></FONT>
</EM></STRONG></DIV>
<DIV align=left><STRONG><EM> </EM></STRONG></DIV>
<BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px">
<DIV></DIV>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left><FONT
face=Tahoma size=2>-----Original Message-----<BR><B>From:</B>
re-wrenches-bounces@lists.re-wrenches.org
[mailto:re-wrenches-bounces@lists.re-wrenches.org] <B>On Behalf Of </B>Bell,
Steve<BR><B>Sent:</B> Tuesday, September 15, 2009 10:42 AM<BR><B>To:</B>
RE-wrenches<BR><B>Subject:</B> Re: [RE-wrenches] Charging AGM
Batteries<BR><BR></FONT></DIV>
<DIV class=Section1>
<P class=MsoNormal><B><FONT face="Comic Sans MS" color=navy size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 11pt; COLOR: navy; FONT-FAMILY: 'Comic Sans MS'">Hi
Peter,<o:p></o:p></SPAN></FONT></B></P>
<P class=MsoNormal><B><FONT face="Comic Sans MS" color=navy size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 11pt; COLOR: navy; FONT-FAMILY: 'Comic Sans MS'"><o:p> </o:p></SPAN></FONT></B></P>
<P class=MsoNormal><B><FONT face="Comic Sans MS" color=navy size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 11pt; COLOR: navy; FONT-FAMILY: 'Comic Sans MS'">At
least some AGM’s (like the Concorde) can handle very aggressive charging
rates, provided you have good temperature compensation to reduce the
possibility of a thermal runaway.<o:p></o:p></SPAN></FONT></B></P>
<P class=MsoNormal><B><FONT face="Comic Sans MS" color=navy size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 11pt; COLOR: navy; FONT-FAMILY: 'Comic Sans MS'"><o:p> </o:p></SPAN></FONT></B></P>
<P class=MsoNormal><B><FONT face="Comic Sans MS" color=navy size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 11pt; COLOR: navy; FONT-FAMILY: 'Comic Sans MS'">Also
the 14.6 VDC is a little higher than recommended, at least for the Concorde
brand. 14.4 VDC (2.40 V per cell) is the recommended max. BTW, Concorde
has a great Technical manual about their AGM’s; much of which applies to most
quality AGM’s. You can download it from their web site. <A
href="http://www.concordebattery.com/">www.concordebattery.com</A><o:p></o:p></SPAN></FONT></B></P>
<P class=MsoNormal><B><FONT face="Comic Sans MS" color=navy size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 11pt; COLOR: navy; FONT-FAMILY: 'Comic Sans MS'"><o:p> </o:p></SPAN></FONT></B></P>
<P class=MsoNormal><B><FONT face="Comic Sans MS" color=navy size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 11pt; COLOR: navy; FONT-FAMILY: 'Comic Sans MS'">Steve<o:p></o:p></SPAN></FONT></B></P>
<P class=MsoNormal><B><FONT face="Comic Sans MS" color=navy size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 11pt; COLOR: navy; FONT-FAMILY: 'Comic Sans MS'"> <o:p></o:p></SPAN></FONT></B></P>
<DIV>
<P class=MsoNormal><STRONG><B><FONT face="Trebuchet MS" color=navy
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style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: 'Trebuchet MS'">Steve
Bell</SPAN></FONT></B></STRONG><FONT face="Trebuchet MS" color=navy
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: 'Trebuchet MS'"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><EM><I><FONT face="Trebuchet MS" color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: 'Trebuchet MS'">Technical
Support Specialist </SPAN></FONT></I></EM><FONT face="Trebuchet MS" color=navy
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: 'Trebuchet MS'"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Trebuchet MS" color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: 'Trebuchet MS'"> <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><STRONG><B><FONT face="Trebuchet MS" color=navy
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: 'Trebuchet MS'">SunWize
Technologies, Inc.</SPAN></FONT></B></STRONG><FONT face="Trebuchet MS"
color=navy><SPAN
style="COLOR: navy; FONT-FAMILY: 'Trebuchet MS'"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Trebuchet MS" color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: 'Trebuchet MS'">#1 Sun
Street</SPAN></FONT><FONT face="Trebuchet MS" color=navy><SPAN
style="COLOR: navy; FONT-FAMILY: 'Trebuchet MS'"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><U1:PLACE u2:st="on"><U1:CITY u2:st="on"><st1:place
w:st="on"><st1:City w:st="on"><FONT face="Trebuchet MS" color=navy
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: 'Trebuchet MS'">Stelle</SPAN></FONT></st1:City><FONT
face="Trebuchet MS" color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: 'Trebuchet MS'"></U1:CITY>,
<U1:STATE u2:st="on"><st1:State w:st="on">IL</U1:STATE></st1:State>
<U1:POSTALCODE u2:st="on"><st1:PostalCode
w:st="on">60919</U1:POSTALCODE></st1:PostalCode> <U1:COUNTRY-REGION
u2:st="on"><st1:country-region
w:st="on">USA</U1:COUNTRY-REGION></st1:country-region></SPAN></FONT></st1:place></U1:PLACE><FONT
face="Trebuchet MS" color=navy><SPAN
style="COLOR: navy; FONT-FAMILY: 'Trebuchet MS'"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Trebuchet MS" color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: 'Trebuchet MS'">(815)
256-2222 ext. 23</SPAN></FONT><FONT face="Trebuchet MS" color=navy><SPAN
style="COLOR: navy; FONT-FAMILY: 'Trebuchet MS'"><o:p></o:p></SPAN></FONT></P>
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style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: 'Trebuchet MS'"><A
href="mailto:sbell@sunwize.com">sbell@sunwize.com</A></SPAN></FONT><FONT
face="Trebuchet MS" color=navy><SPAN
style="COLOR: navy; FONT-FAMILY: 'Trebuchet MS'"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Trebuchet MS" color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: 'Trebuchet MS'"><A
href="http://www.sunwize.com/">www.sunwize.com</A></SPAN></FONT><FONT
face="Trebuchet MS" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Trebuchet MS'"><o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
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<P class=MsoNormal><B><FONT face=Tahoma size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">From:</SPAN></FONT></B><FONT
face=Tahoma size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">
re-wrenches-bounces@lists.re-wrenches.org
[mailto:re-wrenches-bounces@lists.re-wrenches.org] <B><SPAN
style="FONT-WEIGHT: bold">On Behalf Of </SPAN></B>Peter Parrish<BR><B><SPAN
style="FONT-WEIGHT: bold">Sent:</SPAN></B> Tuesday, September 15, 2009 9:33
AM<BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> '<st1:PersonName
w:st="on">RE-wrenches</st1:PersonName>'<BR><B><SPAN
style="FONT-WEIGHT: bold">Subject:</SPAN></B> [<st1:PersonName
w:st="on">RE-wrenches</st1:PersonName>] Charging AGM
Batteries</SPAN></FONT><o:p></o:p></P></DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">I have been told that
AGM batteries can withstand pretty aggressive charging rates, with a bulk rate
being ½ of C/20. For example a MK 8A8D, with a C/20 of 245 A-h, would start
with 122 A. If this is okay, can I still use the standard 14.6 V value for
switching from Bulk to Absorb? What about ambient temperature effects at high
charge rates?</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"> </SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">We have need from
time to time to charge AGMs as quickly as we can safely do so, so any
information on high charge rates would be
appreciated.</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"> </SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">-
Peter</SPAN></FONT><o:p></o:p></P>
<DIV>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"> </SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"><BR clear=all><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Peter T. Parrish,
Ph.D., President<BR><st1:State w:st="on"><st1:place
w:st="on">California</st1:place></st1:State> Solar Engineering,
Inc.<BR><st1:address w:st="on"><st1:Street w:st="on">820 Cynthia
Ave.</st1:Street>, <st1:City w:st="on">Los Angeles</st1:City>, <st1:State
w:st="on">CA</st1:State> <st1:PostalCode
w:st="on">90065</st1:PostalCode></st1:address><BR>CA Lic. 854779, NABCEP TM
Cert. 031806-26<BR><A
href="mailto:peter.parrish@calsolareng.com">peter.parrish@calsolareng.com</A>
<BR>Ph 323-258-8883, <st1:City w:st="on"><st1:place
w:st="on">Mobile</st1:place></st1:City> 323-839-6108, Fax
323-258-8885 </SPAN></FONT><FONT color=navy
size=1><SPAN
style="FONT-SIZE: 9pt; COLOR: navy"> </SPAN></FONT><o:p></o:p></P>
<P><FONT face="Times New Roman" color=navy size=3><SPAN
style="FONT-SIZE: 12pt; COLOR: navy"> </SPAN></FONT><FONT
color=blue><SPAN style="COLOR: blue">
</SPAN></FONT><o:p></o:p></P></DIV></DIV></BLOCKQUOTE></BODY></HTML>