Phottix BG-5D II Battery Grip for Canon 5D Mark II BG-E6
Phottix Battery Grip BG-5D II (BG-E6) Premium Series for Canon 5D Mark II digital cameras.
Phottix BG-5D II (BG-E6) Premium Series Battery Grip for Canon 5D Mark II digital cameras doubles the length of shooting time and eliminate the need for frequent battery changes by using two LP-E6 batteries or six AA size batteries before running out of charge. An additional vertical shutter-button allows the shutter to be triggered more comfortably when the camera is used in portrait orientation.