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<DIV><SPAN class=078052114-15072010><FONT color=#0000ff size=2
face=Arial>Travis, I would strongly suggest you review the 2vt cells. 3 strings
of <A href="mailto:400ah@20">400ah@20</A> hr is 1200AH. ONE set of the Surrette
4-KS 21Ps is 1104 Ah/20hr or the 4-KS25PS is 1350ah.</FONT></SPAN></DIV>
<DIV><SPAN class=078052114-15072010><FONT color=#0000ff size=2 face=Arial>If
this BB is going to be replaced then the interconnects will also be replaced.I
just priced a 24 v BB & the price for the L16s or the KS4vt was very close
after one added all the additional Cu. 5-7 year verses 10-15 much more
robust.</FONT></SPAN></DIV>
<DIV><SPAN class=078052114-15072010><FONT color=#0000ff size=2 face=Arial>They
are big but are not that difficult to handle.</FONT></SPAN></DIV>
<BLOCKQUOTE style="MARGIN-RIGHT: 0px" dir=ltr>
<DIV></DIV>
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left><FONT size=2
face=Tahoma>-----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>Travis
Creswell<BR><B>Sent:</B> Wednesday, July 14, 2010 3:16 PM<BR><B>To:</B>
'RE-wrenches'<BR><B>Subject:</B> [RE-wrenches] Trojan L16 2v vs
6v<BR><BR></FONT></DIV>
<DIV class=Section1>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Greetings Esteemed
Wrenches,<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">I searched the archives and didn’t
find a specific reference to my question so please accept my apology in
advance if this has already been covered.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Are the 2v Trojan L16s a much
better option than the “standard” (non-re, 370 Ah) L16? Local
distributor tells me they are specially formulated for renewable energy.
They have a 7yr warranty vs. 6 months for the standard L16 which is pretty
attractive. kWh capacity wise they are the same. But I can’t find
any actual cycle life curves for either battery which is a pretty critical
data point in my mind. (would it kill Trojan to publish that on their
website????) My cost on the 2v L16 is nearly 50% more than the standard
L16 so it’s certainly worth doing some homework.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">It’s time to replace a set (3
strings of 4) of L16’s that I’m sure have been abused in a full time off grid
residence. They won’t even make it through the night anymore. I
adopted this system several years ago and found a severely sulfated one yr old
set of chronically under charged batteries that had replaced a set that they
had gotten less than 2yrs out of. Most of the usual
suspects….small solar array, both solar and gen charge settings left at the
factory defaults, Tri-metric was there but not installed, and customer who
didn’t pay attention because he didn’t have the time. On at least several
occasions the customer let the electrolyte level drop to the point where the
plates are exposed. I immediately upped the charge settings then over
the last 3yrs I’ve increased the solar to just over 2kW, replaced the tired
8kW generator with 12kW and added a second 4024. All of these upgrades
should lead to much a better life for the next set of
batteries.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">If the budget wasn’t such a major
concern I’d like to get them into a set of HUP’s which I still might be able
to. A comparable set of HUP’s is just over 2x’s the money but they offer
at least 3 times the life on paper anyway. We’ve got numerous sets of
HUPs out there. Some are approaching 10yrs old but customers take very
good care of them.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Thanks in advance for any input or
suggestions.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Best,<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Travis
Creswell<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Ozark Energy
Services<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></FONT></P>
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