<html><body><div style="color:#000; background-color:#fff; font-family:arial, helvetica, sans-serif;font-size:12pt"><div><span>I have looked at these batteries and they are very expensive for the kWh I am also conserned with the charge/discharge rate.  I have a project that I am thinking of using these for, in that the kOH stays KOH through out the charge discharge, which meand they will not freeze like lead acid.  So for low temp of the battery survirval the NiFe looks good.  <var id="yui-ie-cursor"></var>.  I do not know how they behave when hot, but LA are very shortened life.  </span></div><div><span></span> </div><div><br></div>  <div style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"> <div style="font-family: times new roman, new york, times, serif; font-size: 12pt;"> <div dir="ltr"> <font size="2" face="Arial"> <div style="margin: 5px 0px; padding: 0px; border: 1px solid rgb(204, 204, 204);
 height: 0px; line-height: 0; font-size: 0px;" class="hr" contentEditable="false" readonly="true"></div>  <b><span style="font-weight: bold;">From:</span></b> R Ray Walters <ray@solarray.com><br> <b><span style="font-weight: bold;">To:</span></b> RE-wrenches <re-wrenches@lists.re-wrenches.org> <br> <b><span style="font-weight: bold;">Sent:</span></b> Saturday, May 5, 2012 5:44 PM<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: [RE-wrenches] Nickel-Iron Batteries<br> </font> </div> <br>
It is a Colorado company, but they are importing them from China. I've met the owner. <br>My understanding is the plates do not deteriorate, but the electrolyte needs to be replaced every 5 - 10 years, so technically you would never need another set, just KOH.<br><br>Ray Walters<br><br>On May 5, 2012, at 12:43 PM, Phil Theis wrote:<br><br>> Thanks Bill,<br>> They are presumably making these in Lakewood, CO<br>> <a href="http://ironedison.com/about-us" target="_blank">http://ironedison.com/about-us</a><br>> Phil<br>> <br>> On 5/5/2012 3:32 PM, William Dorsett wrote:<br>>> I don't know that there are any new sources for NiFe batteries and the last<br>>> ones were either from China and Hungary. While they were advertised as new,<br>>> some at least arrived in obviously used condition. They are reputed to be<br>>> nearly indestructible, but I've seen piles of used recycled ones. They do<br>>> have some good
 features such as easy recyclability, and use KOH as the<br>>> electrolyte so you don't have to worry about spills. If the price was good<br>>> and they are from a reliable source these could be good.<br>>> <br>>> Bill Dorsett<br>>> Sunwrights<br>>> Manhattan, KS<br>>> <br>>> -----Original Message-----<br>>> From: <a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" ymailto="mailto:re-wrenches-bounces@lists.re-wrenches.org">re-wrenches-bounces@lists.re-wrenches.org</a><br>>> [mailto:<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" ymailto="mailto:re-wrenches-bounces@lists.re-wrenches.org">re-wrenches-bounces@lists.re-wrenches.org</a>] On Behalf Of Phil Theis<br>>> Sent: Saturday, May 05, 2012 1:35 PM<br>>> To: <a href="mailto:RE-wrenches@lists.re-wrenches.org" ymailto="mailto:RE-wrenches@lists.re-wrenches.org">RE-wrenches@lists.re-wrenches.org</a><br>>> Subject:
 [RE-wrenches] Nickel-Iron Batteries<br>>> <br>>> Greetings,<br>>> Does anyone have experience with Iron Edison Batteries for an off grid<br>>> application?<br>>> They claim "excellent and reliable performance for 20+ years"<br>>> Thank you,<br>>> Phil Theis  NABCEP Certified PV Installer PennSun Solar<br>>> _______________________________________________<br>>> List sponsored by Home Power magazine<br>>> <br>>> List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org" ymailto="mailto:RE-wrenches@lists.re-wrenches.org">RE-wrenches@lists.re-wrenches.org</a><br>>> <br>>> Options&  settings:<br>>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org<br>>> <br>>> List-Archive:<br>>> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org<br>>> <br>>> List rules&  etiquette:<br>>> <a
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