MB-D55 battery grip is compatible with the Nikon D5500 DSLR camera and provides improved handling, versatile control, and extended battery life when in use. It accepts up to two EN-EL14 lithium-ion battery packs to effectively double the camera's battery life. The design of the grip improves shooting in the vertical orientation and also provides an overall more ergonomic structure for holding camera. A second shutter release button is integrated into the grip for improved and versatile handling. Battery grip comes with release cable for connecting battery grip shutter with camera.