<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">HI Ray,<div class=""><br class=""></div><div class=""><div class="">I\u2019ll add that they use lots of water requiring lots of maintenance.</div><div class="">Their efficiency is between 70 and 80%.</div><div class="">The reason that the railroad and telecomm have used them in remote applications is that chemistry doesn\u2019t care about cold or hot. </div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">And given that they cost (95%) almost as much as a top end Lithium battery, I\u2019d go for the Lithium if someone has that kind of cash to throw around.</div><div class=""><br class=""></div><div class="">Jay</div><div class=""><br class=""></div><div class="">Peltz Power.</div><div class=""><br class=""></div><div class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Nov 21, 2018, at 10:37 AM, Ray <<a href="mailto:ray@solarray.com" class="">ray@solarray.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class="">
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<div text="#000000" bgcolor="#FFFFFF" class=""><p class="">Charge efficiency is really low, Charging parameters can be hard
to get right, Voltage is not stable under heavy loads, and they
are really expensive to boot. I've never sold them for these
reasons, but I have replaced some sets that customers were unhappy
with. They seem to work OK, only if there are no large surge
loads, and the battery and array are sized large enough.
Unfortunately because of the cost, folks seem to really under size
them, which only exasperates the above issues.</p><p class="">There's good reasons this old battery chemistry has not been
widely adopted by the solar industry. It does have its place, and
I understand the train industry uses it because A) they have cheap
on grid charging available, so efficiency doesn't matter, and B)
they have telecomm type loads with very little surge.<br class="">
</p>
<pre class="moz-signature" cols="72">Ray Walters
Remote Solar
303 505-8760</pre>
<div class="moz-cite-prefix">On 11/21/18 10:55 AM,
<a class="moz-txt-link-abbreviated" href="mailto:dan@foxfire-energy.com">dan@foxfire-energy.com</a> wrote:<br class="">
</div>
<blockquote type="cite" cite="mid:20181121105556.720a661d8db719b1f2ad39509c9edaa3.3e576e639b.wbe@email04.godaddy.com" class="">
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<span style="font-family: Verdana; font-size: 10pt;" class="">
<div class="">Hi Guys, I have a potential customer inquiring about
installing a pre packaged Iron Edison system.. I recall
hearing strange stories about Ni-Fe batteries but don't recall
the specifics. I have done a few searches with mixed results..
And have friends advising I run like a Rabbit.. Thought I'd
run it by you folks for an update..</div>
<div class=""> Thanks, and Happy Turkey Day.</div>
<div class=""><br class="">
</div>
<div class="">db<br class="">
</div>
<div class=""><br class="">
</div>
<div class=""><br class="">
Dan Brown<br class="">
Foxfire Energy Corp.<br class="">
Renewable Energy Systems<br class="">
(802)-483-2564<br class="">
<a href="http://www.foxfire-energy.com/" moz-do-not-send="true" class="">www.Foxfire-Energy.com</a><br class="">
</div>
</span>
<br class="">
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