On Mon, 10 Aug 1998 10:14:56 -0700 (PDT), Robert Maichin
<rmaichin@xxxxxxxxx> wrote:
>A simpler solution is to use Zinc-air hearing aid batteries with an
>adapter ( I used an old px13 shell). Battery needs some venting for
>air but gives 1.4 volts very consistently.
... but only for a very limited amount of time (few months at most).
Therefore the Zinc-air (including the Wein cell) solution is a
dangerous one: the battery can suddenly prove empty on critical and
unexpected moments.
Frank van Lindert
Utrecht - netherlands
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