Just got a Z981 a few days ago so I'm curious. Why is the regular battery not recommended?
Regular mean Alkaline battery. For low current application like remote control etc, alkaline battery is very good. But for high current application like digital camera, NiMh can provides the current needed.
Nikon D5000 / Kodak P880 DX7590 Z915 DX6440 V803 C190
Kodak Digital Cameras Galleries