BIG MB-D16 battery grip is compatible with the Nikon D750 and provides improved handling, versatile control, and extended battery life when in use. It accepts up to two EN-EL15 lithium-ion battery packs to effectively double the camera's battery life. Six AA batteries can also be used as well. More power for longer shootings and better handling. The battery grip accepts two batteries, provides an additional vertical shutter release and other controls, similar to the original handles.