Hi-
Zinc-air: probably, because the battery is smaller than the mercury version it
has a washer around it. I got one a year and a half ago. It said "Wein cell"
on the package. Once you pull off the plastic cover from the air holes, it
starts generating electricity and running down. I have heard some say that it
will only last for a few months, but mine was still working when I took the
camera to Photosphere to be CLA'd and changed over to Alkyline.
Steve Goss, Dallas, TX, usa
John Palmer wrote:
>
> There has been some chat about this recently, but I think I missed the
> beginning so apologies if I am treading old ground....
>
> The OM1 family (and others including 35RC) are designed to use PX625 mercury
> batteries at 1.35 volts. Finding these now can be a bit like hoping to
> fertilise your rhubarb with a rocking horse, although supplies do turn up
> occasionally.
>
> I popped into the local Jessops (large UK chain photo retailer who generally
> know what they are talking about) where they have a used OM1MD and OM1N for
> sale, and asked what batteries they would put in. They have some "zinc-air"
> batteries which I hadn't seen before which claim to deliver 1.35 volts.
>
> Question is - what is the score with these zinc-air batteries? I have half a
> memory that somebody very recently said something like avoid them like the
> plague, but I recently hoovered out the inbox and can't find it.
>
> TIA
> John
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