A-Pen D-Li 78 Product Description:

Corresponds to Pentax D-Li 78, Nikon EN EL 11,  Ricoh DB 80.
for camera types Pentax Optio M 50, Nikon Coolpix S 550, Ricoh R 50 and others
3,7V / 450mAh

Ansmann replacement batteries meet or exceed manufacturer's specifications and are guaranteed to conform to the cameras or camcorders it is designed for. Not all camera models are listed here. If the battery finder pointed you here, you have the right battery!
2-year warranty