Archived posting to the Leica Users Group, 2007/08/06

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Subject: [Leica] M5 battery question
From: len-1 at comcast.net (Leonard Taupier)
Date: Mon Aug 6 14:27:22 2007
References: <080620072058.15667.46B78B7A000F35BF00003D33220074567204040A990A02D201D202080106@comcast.net>

John,

The silver batteries are S625PX. The ones I have are made by Exell. I  
don't recall where I got them.


On Aug 6, 2007, at 4:58 PM, J. Newell wrote:

> Physical size is unchanged: you want a 625-type cell.  Be advised,  
> however, that there are two chemistries available.  Most common,  
> but not the best choice, is an alkaline cell.  These can be found  
> at places like Radio Shack.  The Varta mentioned in another post  
> is, I believe, an alkaline cell.  Much better is a silver oxide  
> cell.  These are harder to find, but worth looking for.  You will  
> probably have to order one by phone/mail/web.  The reason the  
> silver oxide is much better is that its discharge curve - which is  
> the output voltage over time/use - is much, much "flatter" than  
> alkaline cells.  This is potentially important because the meter  
> reading will change as the battery voltage falls, resulting in  
> accuracy problems.  The original mercury cells maintained the same  
> voltage almost until dead.  The silver oxide cells are pretty good  
> in that regard, but the alkaline cells are not.
>
> You can use alkalines in a pinch.  You can use them in when not  
> pinched, but be prepared to throw them out often, and for possible  
> metering problems.  The shelf life of silver oxide cells is very  
> long.  Order a bunch and be happy!
>
> BTW, enjoy the M5.  Bigfoot is a great camera.
>
> John Newell
> -------------- Original message --------------
> From: Harrison McClary <lists@mcclary.net>
>
>> If an M5 has been "fixed" to take current batteries, which battery do
>> you use?
>>
>> TIA
>>>
>>
>>
>
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In reply to: Message from john.o.newell at comcast.net (J. Newell) ([Leica] M5 battery question)