This ProMaster Vertical Power Grip is specially designed for the Nikon 7100 DSLR cameras. It is equipped with an alternate shutter-release button, AE-L/AF-L button, multi selector, and main and sub-command dials for shooting in a vertical position.

The grip holds one EN-EL15 rechargeable Li-ion battery, in addition to the camera’s internal battery or can use six AA batteries (alkaline, Ni-MH or lithium) to extend your shooting time.