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Re: [OM] Obscure 357 Battery Trivia

Subject: Re: [OM] Obscure 357 Battery Trivia
From: Donald Shedrick <shedridc@xxxxxxxxx>
Date: Fri, 10 Aug 2001 16:16:36 -0700 (PDT)
I have for years refrigerated all my batteries in
storage, with no problems.

--- HI100@xxxxxxx wrote:
> Dear OMers,
>                    I have been talking with yet
> another manufacturer of 357 
> silver oxide cells. (Not Energizer or Duracell etc),
> who will remain nameless 
> as they were very honest about some issues with
> their cells.  It appears 
> unlike the Energizer cells these cells have much
> shorter shelf life. These 
> cells loose capacity slowly in the first year ~2%
> and then accellerate loss 
> and after about 4 years they loose capacity rapidly.
> According to the 
> importer this is a result of chemical degradation
> not sealing but it is 
> probably both. This means it probably pays to
> refrigerate (not freeze) cells 
> like this if the cells are to stored for more than 1
> year. If you do this it 
> probably pays to store the cells inside an insulator
> like polystyrene foam to 
> minimize thermal cycling from the door opening and
> the compressor cycling. 
> This is both  a thermal expansion issue and a
> condensation issue. Bottomline, 
> the Energizers still look the best choice and don't
> need refrigeration for 
> long term storage.
> 
>                   Regards,
>                  Tim Hughes
>                 >>Hi100@xxxxxxx<<
> 
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