Re: Iron nickel batteries

> These are flooded alkaline batteries, just like the NiCad ones.  Not as good
> of energy density though, so I think they actually end up being near as
> heavy or even heavier than lead acid.  No problems with deep cycling, and
> very long.  Somewhat sought after for off-grid PV systems, but not so great
> for a mobile application, in my mind, because of the size and weight.
> Having said that, without seeing the exact specs, maybe the weight isn't as
> bad as I think, if these particular ones were designed for an EV application
> to begin with.
>
> Z
>
> On Fri, May 16, 2008 at 9:15 AM, Jeff Major <jff_mjr@...> wrote:
>
> >
> > --- Werner Peters <werner1950@...> wrote:
> >
> > > I have come across an opportunity to acquire a bank
> > > of nickel iron
> > > batteries.
> > > Although they are old, they have never been used.
> > >
> > > I know nothing about them, except that they came
> > > with an electric (factory
> > > made) Chrysler van owned by the EV Society of
> > > Canada.
> > >
> > > Can someone advise me on..
> > >
> > > How to bring them to life,
> > > and how to test them to see whether  they would be a
> > >  good choice over
> > > against the low price I may pay for them.
> > >
> > > WP
> >
> > Hi Werner,
> >
> > My guess is Eagle Pitcher brand.  Golf car size, 5
> > cell, 6 volt.  Original equipment in the Dodge TE Van.
> >  NiFe batteries are said to have shelf life of like 20
> > to 30 years.  You can google and find some info.  Also
> > check the archives.  I had some which I sold to a
> > couple of guys on this list a few years back.
> > Chrysler paid on the order of $1800 each.  Pilot
> > product for Eagle Pitcher I think.  When I sold them,
> > $25 to $50 each depending on condition.
> >
> > They need a central hydration (watering) system.  They
> > use KOH.  May come back with only water.  Might need
> > to add KOH.  Unknown.  Good batteries.  Long cycle and
> > calendar life.  Somewhat poor charge efficiency from
> > what I hear.  And I did some testing and found they
> > had a fairly high internal resistance, so not good for
> > high power application.
> >
> > If you get them, let me know how they work out.  I
> > still have a couple dozen I want to put to use one of
> > these days.  Probably as alternative energy
> > installation at home and not EV.
> >
> > Regards,
> >
> > Jeff M
> >
> >
> >
> >
> >
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