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M6 Battery question


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I was taking pictures in a small country town yesterday and today and my M6 batteries ran out. I went to the only photoshop I could find and they replace the batteries with 2 x EPXD76 at 1,55 volt each (closest thing they had) adding up to 3,10 volt instead of 3 volt, what does this do to my my metering system in my M6 ?

And are these Energizer EPX76 suitable for cameras, or do I need to replace them asap ?

 

Thanks in advance for your replies...

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I don't recall ever seeing this variant, but I've used all sorts of "76" batteries in both Nikons and Leicas over the years without a problem.

 

The slightly higher voltage may have a mild effect on your meter readings but is unlikely to fry any circuitry if it hasn't done so already.

 

Of greater concern is that they may be alkaline batteries and prone to leakage.

 

The correct replacements are certainly inexpensive enough not to take any risks.

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Not to worry,the EPX76 battery is fine, as is the SR44, both 1.55V Silver Oxide cells. The 3V DL 1/3N is a lithium cell, but both are acceptable alternatives -- I checked 2 different sources.

 

Phil

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  • 6 months later...
adding up to 3,10 volt instead of 3 volt, what does this do to my my metering system in my M6 ?

 

I'm new to M6 but does the metering use a simple voltage dependent circuit or a proper bridge circuit which would be largely immune to voltage changes?

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Not to worry,the EPX76 battery is fine, as is the SR44, both 1.55V Silver Oxide cells. The 3V DL 1/3N is a lithium cell, but both are acceptable alternatives -- I checked 2 different sources.

 

Phil

 

That is correct. As long as the diodes light up, the meter is working correctly, no matter what chemistry the battery is based on - Alkaline, Silver Oxide or Lithium. Most modern cameras use 'bridge circuitry' which takes care of minor differences in voltage.

 

All the best,

 

Jan

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