It provides additional security handling while shooting in the vertical position and is very comfortable. It includes AE/FE lock button, multi-controller, multi-function button, main dial, AF point selection button, AF start button, and shutter release button.
The EOS 7D Mark II and the battery grip from canon BG-E16 are offering well-extended battery life of cameras and also improved handling capabilities. AA batteries can also be used in conjunction with two Lp-E6 batteries to extend cameras battery life. The grip is also compatible with optional AKC-E16 AC adapter kit.