The Canon BG-E11 Battery Grip is an optional battery grip with improved ergonomics designed specifically for the Canon EOS 5D Mark III, Canon EOS 5DS, Canon EOS 5DS R . It allows users to load a choice of one, or two LP-E6/E6N battery packs.

The BG-E11 also provides full vertical shooting controls, which can be independently turned on or off as the photographer needs to enhance camera handling, especially for shooting vertical pictures. It has a large number of operating controls as well: shutter button, Main Dial, multi-controller, AF point selection button, AE lock/FE lock button, AF start button, and multi-function button.