[RE-wrenches] Ni-Fe batteries

Jonathan Hill solarjon at gmail.com
Tue Sep 25 17:27:23 PDT 2012


David-
I know that. I bought them from you then.
Jonny Hill

Sierra Solar Systems


On Sep 25, 2012, at 4:32 PM, David Katz <dkatz at aeesolar.com> wrote:

> The biggest problems with nickel-iron batteries is their terrible inefficiency, around 65% and the tremendous amount of distilled water required.  The use a lit of water and if you run out, they will explode.  AEE sold them in the late 90s.
> David Katz
> 
> Sent from my HTC smartphone on the Now Network from Sprint!
> 
> 
> ----- Reply message -----
> From: "Jonathan Hill" <solarjon at gmail.com>
> To: "RE-wrenches RE-wrenches" <re-wrenches at lists.re-wrenches.org>
> Subject: [RE-wrenches] Ni-Fe batteries
> Date: Tue, Sep 25, 2012 10:18 am
> 
> 
> 
> Anyone know anything about Nickel-Iron Batteries? We sold some many years ago but our supplier stopped carrying them. I have a client with a fairly large bank of Hawker industrial batteries; 2100ah @ 48v. He is asking about replacing them with Ni-Fe as he has heard that they will last virtually forever, or at least longer than he might. Any thoughts on this? Also, any suggestions of good suppliers? Thanks.
> 
> Jonathan Hill, senior system engineer and founder
> Sierra Solar Systems
> 563C Idaho Maryland Road
> Grass Valley, CA 95945
> Celebrating our 32nd year in solar!
> tech info and foreign orders:  (530) 273-6754 
> order line: (888) ON-SOLAR (US only)   FAX:  (530) 273-1760
> e-mail:  <mailto:solarjon at sierrasolar.com>
> world wide web:  <http://www.sierrasolar.com>
> 
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