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<div class="moz-cite-prefix">That's almost $2000/ kwh, which is
close to 10 times the cost of the best lead acid. That doesn't
seem to make sense for solar yet, but it would for electric
vehicles because of the weight reduction. Possibly their price has
dropped in 2 years? I'm seeing some other sources in the EV
world selling 100 AH Li+ cells for about $450/ kwh, which is more
like it.<br>
<pre class="moz-signature" cols="72">R.Ray Walters
CTO, Solarray, Inc
Nabcep Certified PV Installer,
Licensed Master Electrician
Solar Design Engineer
303 505-8760</pre>
On 9/22/2013 10:14 PM, Kevin Pegg wrote:<br>
</div>
<blockquote
cite="mid:EC7EE410EA8C24449CDC59F7D9080D5202050B9D@affirmativecomputer.com"
type="cite">
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charset=ISO-8859-1">
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<div><span class="873031004-23092013"><font face="Arial" size="2"
color="#0000ff">I did get a quote from Corvus for one
project back in Feb 2011. Client hasn't given go ahead
yet. 12.4 kWh, ie 2 of their 8D format cells was going to
set me back $24,000 CAD. The contract for purchase document
is only slightly less complex than purchasing a home..... 14
pages worth of. </font></span></div>
<div><span class="873031004-23092013"></span> </div>
<div><span class="873031004-23092013"><font face="Arial" size="2"
color="#0000ff">Kevin</font></span></div>
<blockquote>
<div class="OutlookMessageHeader" dir="ltr" align="left"><font
face="Tahoma" size="2">-----Original Message-----<br>
<b>From:</b> <a class="moz-txt-link-abbreviated" href="mailto:re-wrenches-bounces@lists.re-wrenches.org">re-wrenches-bounces@lists.re-wrenches.org</a>
[<a class="moz-txt-link-freetext" href="mailto:re-wrenches-bounces@lists.re-wrenches.org">mailto:re-wrenches-bounces@lists.re-wrenches.org</a>]<b>On
Behalf Of </b>Ray Walters<br>
<b>Sent:</b> September 19, 2013 9:51 PM<br>
<b>To:</b> RE-wrenches<br>
<b>Subject:</b> Re: [RE-wrenches] Li-I question<br>
<br>
</font></div>
<div class="moz-cite-prefix">Looks interesting, I've been
waiting for Li+ to start making sense on larger scales. <br>
The cycle life does not appear to be better than a HUP lead
acid battery, despite the claims of "10 times the cycle life
of an AGM battery" I'm confused because in their white paper
they also claim: 200 cycles at 100% DOD < 2000 cycles at
80% DOD > 3000 cycles at 80% DOD. <br>
What does that mean?<br>
Also the warranty has 3 yr free replacement, 10 yr prorated,
but doesn't cover shipping or installation, and also demands
an engineering evaluation of the installation to allow the
warranty. Despite their claims of being the most
comprehensive warranty in the business; it is not.<br>
My entire power tool collection as well as my computer and
phone run on Li+, so I'm a believer, but I've also been
vetting BS claims in our industry for over 2 decades. Corvus
needs to put more time into some BCI cycle life charts, and
provide a warranty that covers shipping and installation time
like others. Some case studies, and independent testing would
help as well.<br>
Anybody have any ball park pricing on this?<br>
<pre class="moz-signature" cols="72">R.Ray Walters
CTO, Solarray, Inc
Nabcep Certified PV Installer,
Licensed Master Electrician
Solar Design Engineer
303 505-8760</pre>
On 9/19/2013 9:58 PM, Kevin Pegg wrote:<br>
</div>
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cite="mid:EC7EE410EA8C24449CDC59F7D9080D5202050B9A@affirmativecomputer.com"
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<div><font face="Arial" size="2" color="#0000ff"><span
class="250195403-20092013">These folks are real I've met
with and touched the product. I've been working on a
possible use of these but client hasn't said go yet so
can't quite yet vouch for the product. <a
href="http://www.corvus-energy.com/"
moz-do-not-send="true">http://www.corvus-energy.com/</a></span></font></div>
<div><font face="Arial" size="2" color="#0000ff"><span
class="250195403-20092013"></span></font> </div>
<div><font face="Arial" size="2" color="#0000ff"><span
class="250195403-20092013">Kevin</span></font></div>
<blockquote dir="ltr" style="MARGIN-RIGHT: 0px">
<div class="OutlookMessageHeader" dir="ltr" align="left"><font
face="Tahoma" size="2">-----Original Message-----<br>
<b>From:</b> <a moz-do-not-send="true"
class="moz-txt-link-abbreviated"
href="mailto:re-wrenches-bounces@lists.re-wrenches.org">re-wrenches-bounces@lists.re-wrenches.org</a>
[<a moz-do-not-send="true" class="moz-txt-link-freetext"
href="mailto:re-wrenches-bounces@lists.re-wrenches.org">mailto:re-wrenches-bounces@lists.re-wrenches.org</a>]<b>On
Behalf Of </b>Allan Sindelar<br>
<b>Sent:</b> September 16, 2013 12:58 PM<br>
<b>To:</b> RE-wrenches<br>
<b>Subject:</b> [RE-wrenches] Li-I question<br>
<br>
</font></div>
Wrenches,<br>
In order to provide accurate information about lithium-ion
batteries, I'm looking for referrals to current suppliers
with available product, with specifications and retail
pricing available. Having read Randy Richmond's article on
Li-I in HP153 earlier this year and Dan Fink's posts here, I
understand the advantages and limitations. I am just looking
for actual supplier websites and contacts, please.<br>
Thank you,<br>
Allan<br>
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<p class="MsoNormal"><b>Allan <span class="SpellE">Sindelar</span></b><br>
<span style="FONT-SIZE: 10pt"><a
href="mailto:Allan@positiveenergysolar.com"
moz-do-not-send="true"><u><span style="COLOR:
#000099">Allan@positiveenergysolar.com</span></u></a></span><br>
<span style="FONT-SIZE: 10pt">NABCEP Certified PV
Installation Professional <br>
NABCEP Certified Technical Sales Professional<br>
New Mexico EE98J Journeyman Electrician<br>
Founder and Chief Technology Officer<br>
<b>Positive Energy, Inc.</b>, a Certified B <span
class="SpellE">Corporation<sup><span
style="FONT-SIZE: 7.5pt">TM</span></sup></span><br>
3209 Richards Lane<br>
Santa Fe, New Mexico 87507<br>
<b>505 424-1112 office 780-2738 cell</b><br>
<a href="http://www.positiveenergysolar.com/"
target="_blank" moz-do-not-send="true"><u>www.positiveenergysolar.com</u></a><o:p></o:p></span></p>
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