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. . I do not know how they behave
when hot, but LA are very shortened life.
________________________________
From: R Ray Walters <[email protected]>
To: RE-wrenches <[email protected]>
Sent: Saturday, May 5, 2012 5:44 PM
Subject: Re: [RE-wrenches] Nickel-Iron Batteries
It is a Colorado company, but they are importing them from China. I've met the
owner.
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.
Ray Walters
On May 5, 2012, at 12:43 PM, Phil Theis wrote:
> Thanks Bill,
> They are presumably making these in Lakewood, CO
> http://ironedison.com/about-us
> Phil
>
> On 5/5/2012 3:32 PM, William Dorsett wrote:
>> I don't know that there are any new sources for NiFe batteries and the last
>> ones were either from China and Hungary. While they were advertised as new,
>> some at least arrived in obviously used condition. They are reputed to be
>> nearly indestructible, but I've seen piles of used recycled ones. They do
>> have some good features such as easy recyclability, and use KOH as the
>> electrolyte so you don't have to worry about spills. If the price was good
>> and they are from a reliable source these could be good.
>>
>> Bill Dorsett
>> Sunwrights
>> Manhattan, KS
>>
>> -----Original Message-----
>> From: [email protected]
>> [mailto:[email protected]] On Behalf Of Phil Theis
>> Sent: Saturday, May 05, 2012 1:35 PM
>> To: [email protected]
>> Subject: [RE-wrenches] Nickel-Iron Batteries
>>
>> Greetings,
>> Does anyone have experience with Iron Edison Batteries for an off grid
>> application?
>> They claim "excellent and reliable performance for 20+ years"
>> Thank you,
>> Phil Theis NABCEP Certified PV Installer PennSun Solar
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