In article <33C11AA6.AE2@unity.ncsu.edu>, jnweg@unity.ncsu.edu says...
>James Keivom wrote:

>> Just a note: I tried AA lithiums on my F4 and I won't go back to
>> alkalines. The F4 is a maddog with the Lithiums. I have heard that there
>> might be some problems with lithiums on the F4. Is this true?

>I'm with you on this. Nikon says not to use AA lithiums in a number of
>its older bodies, including the F4, but has never said why not.
>
>PopPhoto and other supposedly well-informed sources, including the guy
>at my local camera repair shop, say there is no reason not to use them.
>
>This subject comes up periodically on rec.photo and the Nikon bulletin
>board and other places and no one has ever reported actually having a
>problem with a camera traceable to using AA lithiums.
>
>Someone once said that the slightly elevated power of AA Lithiums might
>cause a problem through overloading internal circuitry if one used the
>camera REALLY HARD -- like shot it coninuously for hours and hours --
>but, again, no one has ever reported a credible instance of anyone ever
>having a problem.
>
>So I too am and will continue to live dangerously in this regard.
>
>Let me know if you have a problem.

I haven't dared try it... The unloaded voltage of fresh lithiums is
considerably higher than that of fresh alkalines and far higher than
that of freshly-charged NiCads - and lithiums can deliver considerable
current... The obviously increased performance compared with the
alternative power sources sure makes me pause... (Heck, let's hook up
our 110-volt appliances to 220-volt sources - some may run better, for
a while... ;-)
Hope This Helps
(David Ruether - http://www.fcinet.com/ruether )