[Leica] Alkaline vs Silver 625 replacement batteries

[jbcollier at shaw.ca (John Collier)]

Alkalines vary the voltage over the life of the battery, silver's 
voltage remains constant until it goes into sudden death. I happily 
used silvers in my converted camera.

John Collier

On 6-Apr-05, at 8:02 PM, John O. Newell wrote:

> This is probably a dumb question; in fact, I hope it is, but I'm 
> cautious about making assumptions.  I'm wondering whether anyone has 
> had, or can think of, any issues in using a silver 625 cell in a 
> camera that originally used a mercury 625 cell but has been 
> recalibrated for an alkaline 625  cell.  This would be a change from 
> 1.5v nominal to 1.55v nominal, which seems like it would be a 
> difference so small that it would be easily lost in the noise 
> (examples: didn't precisely center needle; didn't pick precisely 
> correct area to meter) or at least would be well within the latitude 
> of even color reversal film.  Yes/no/maybe?
> Also, I'm assuming...but interested in confirmation...that there are 
> no physical differences between the alkaline and silver oxide 
> dimensions?  I have read of users with problems using the CRIS 
> adapters.