REPLACES NIKON EN-EL3e/El 3 LI-ION 7.4V 1600MAH. The battery have a charge capacity of 1600 mAh for Nikon D50, D70, D70s, D80, D90, D100, D200, D300, D300S, and D700 SLR Digital Camerasso So, you can keep your Camera devices up and running for a longer time than with regular alkaline batteries.