The CTA Digital CR-V3 battery is the rechargeable lithium-ion version of the disposable CR-V3 battery. This battery will work with 3-volt cameras that accept a single disposable CR-V3 or two AA size batteries side by side. Cameras that require four AA size batteries require an additional CR-V3 battery. This high performance Li-ion battery will give you more shots than any AA Ni-MH batteries. Power up with hot deals from Overstock.com! Specifications: Chemistry: lithium-ion Voltage: 3V mAh (capacity): 1500mAh Memory effect: no For use with selected models of the following camera brands: Kodak Kyocera Minolta Olympus Pentax Nikon Samsung