A few months ago I broke the foot off a Sunpack MZ440AF flash. I sent it 
back for a repair, paid the $40 repair estimate, and in return Sunpack sent 
a brand new flash. I popped in some rechargeable alkaline batteries. The 
flash worked OK but would take forever to recharge, and seemed to have 
little staying power when being used as fill (i.e. - it would run down 
where the old flash would just keep popping along.)  I tried several 
different sets of the rechargeable alkalines, most right out of the 
charger, and had the same experience.

Last week I put in some regular alkalines and the flash charged up nice and 
quickly.

  I figured that my rechargeables were going bad. But, I wound up leaving 
the flash on, and the next day the regular batteries were dead.  I switched 
back to the rechargeables - and the flash still is charging up quickly. I 
just pulled it out again, after it has sat empty for several days, and it 
still is charging quickly.

So -- if there something about priming a flash with optimum batteries when 
its brand new? (I'm sure my rechargeables are not as good as fresh single 
use batteries).

And just as an ancillary note - Sunpack has apparently changed the design 
of this flash.  For some reason, it will not work with the Canon extension 
cord that I had used with the one it replaced. It does not seem to be a 
digital design because it still works with my LX, but something must be 
different (the Canon cord still works with the AF220T, so the cord is not 
broken.)

- MCC
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Mark Cassino
Kalamazoo, MI
[EMAIL PROTECTED]
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Photos:
http://www.markcassino.com
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