If you don't want to use the rechargeable type AA, you can get the lithium by energizer. You should see quite a bit
of longer life, but the cost factor is considerable.
There are many brands/types of AA Nimh rechargeable batteries. You may want to consider trying a few different
brands. I have have had good results with the AFDIII with the Sanyo enloop batteries. These batteries seem to hold a
charge well and discharge evenly.
The charger you use also makes a big difference. Maha makes the one that I use. It holds 8 cells. It will allow for a
quick recharge, and 2 types of reconditioning charges.
Also make sure you have the custom function set on the camera that tells it you are using the AA rechargeable
batteries.
Paul Caldwell