Alkaline battery opinions wanted [RE-wrenches]

[Warren Lauzon]

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NiFe batteries are notoriously inneficient, on the order of 60-70% at best.

We replaced an old NiCad system (with the pocket plates) a few years ago, 
and the cost of getting rid of the Cadmium batteries was more than the cost 
of the new Surrette batteries, since Cd is so hazardous.

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Solar Discussion Forum: http://www.wind-sun.com/ForumVB/
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----- Original Message ----- 
From: "Mick Abraham" <mick at abrahamsolar.com>
To: <RE-wrenches at topica.com>
Sent: Friday, May 23, 2008 10:25 AM
Subject: Alkaline battery opinions wanted [RE-wrenches]


>
> Hello, all~
>
> A prospective client has led me to review my opinions about
> nickel-cadmium and nickel-iron batteries. For several years now, my
> views have been:
>
> * Quality ni-cad is available, but ni-fe manufacturers have a less
> impressive quality story (...much less impressive in some cases, but
> don't get me started.)
>
> * Since nobody seems to have well made ni-fe cells, nickel-iron is still
> not an option for new installations.
>
> * Cost per cycle for quality nickel-cadmium is much greater than cost
> per cycle for quality lead acid, so why bother?
>
> How about it, Wrenches? Can you offer endorsements for alkaline
> batteries? Are those for batteries that we can actually buy? Have the
> extreme price increases for lead narrowed the cost gap?
>
> Thanks as always,
>
> Mick Abraham, Proprietor
> www.abrahamsolar.com
>
>
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> 


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