>
> > The zinc-oxide batteries have a capacity of 600mAh, well above the
> > 170mAh of the silver oxide batteries.
> >
> > Anyone know of this substitution having been made?
> >
>
> You should read this: <http://www.buhla.de/Foto/batt-adapt-US.pdf>
> It will tell you everything you ever wanted to know (and maybe more)
> about means of working around the mercury battery problem. Zinc-air
> cells are discussed on page 2. Pay particular attention to the problem
> (and solutions) of stacking zinc-air cells because they require air to
> reach the holes punched into the case for air to enter. The Wein cell
> (specialized non-hearing aid zinc-air battery) is also discussed.
>
Thanks everyone for the feedback on this issue. I'm going to give some
zinc-air batteries a try to see how long they hold up. I'm also thinking of
making my own silver oxide battery adapter using a very small Schottky diode
and some very thin printed circuit board material.
Chris
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