bg e5 battery grip

Battery Grip XSi lets you comfortably hold camera upright for portraits,powers your camera with two LP-E5 batteries, or 6 "AA" batteries (not included),built-in camera control ...

Specifically designed for use with the Canon EOS 5D Digital Camera, the BG-E4 Battery Grip from Canon makes it possible to load an extra battery into your digital camera.

Replacement Battery Magazine for the Canon 5D Mark II.

For EOS 5D, Shutter release button, User's guide ...