I use NiMH batteries to save money on replacements when at home, and  
also because they give the best recycle times with my flash units  
when I use them. I simply schedule charging one set every week with a  
good charger and rotate them through the camera in the process. I  
always keep a backup set of CRV3 lithium disposables in the bag for  
emergencies, and charge up the NiMH batts if I'm going on a shoot and  
know I'll need a lot of power to spare.

The charger is significant in getting the most from a NiMH set. Maha  
makes some excellent chargers. This one is well thought of and not  
particularly expensive:

Maha PowerEx MH-C204W
<http://www.thomas-distributing.com/maha-powerex-mh-c204w-nimh- 
battery-charger.htm>
or
   http://tinyurl.com/5vgx2

Godfrey

On Jun 25, 2006, at 4:42 PM, John Coyle wrote:

> I've just tried changing battery brands, from Energizer to  
> Duracell.  The
> Duracells lasted two weeks before showing half-full, and are going  
> on charge
> now.  The Energizers I replaced then with had been fully charged  
> two weeks
> ago, and immediately showed only half-full!
> I come to the conclusion that, whereas John reckoned two weeks, my
> experience is one week is about as long as I can rely on them to  
> hold a
> charge.   It could be my charger's crap, so I may have to get a more
> powerful/reliable unit.  I recall mention of a LaCie charger being  
> well
> thought of: I'll have to see if they are available in Oz.


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