Archived posting to the Leica Users Group, 1998/06/21

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Subject: Re: [Leica] list maintenance message
From: "Patrick G. Sobalvarro" <>
Date: Sun, 21 Jun 1998 14:35:21 -0700

Brian Reid wrote:
> p.s. while I'm bothering you. my CL needs a new battery and I've run out of
> the ones I had in the freezer for the last 20 years. Can somebody remind me
> what I'm supposed to do?

I have had good results using the C.R.I.S. MR-9 adapter, available from for $30.  This steps down and regulates the
voltage from a silver size 76 cell to give a steady 1.35 volts.  When I
popped these into my SL and MR-4, the damned things actually read
reliably for the first time.  A revelation for me -- I'd never had the
proper batteries for these things.

BUT -- the MR-9 with a cell in it is just a little thicker than a PX13,
or whatever it was.  In the MR-4 this seems to make no difference.  In
the SL, one screws the battery cover in just a few turns and that's it
- -- it actually protrudes a mm or so from the base.  It stays in, and I'm
not worried about it, but I don't know whether the CL cover has tighter

- -Patrick