The Battery Grip BG-E6 will hold up to two LP-E6 battery packs or six AA Batteries and will double the shooting time of your camera. The BG-E6 makes shooting with the camera in a vertical position just as comfortable as shooting in the horizontal with its functional buttons that cover shutter release, AF point selection, AF/FE lock, index, aperture, exposure compensation, and a main dial. Great qualities of the BG-E6 include easy installation, fast battery charge, long-lasting durability, and reliable construction. The added batteries will be a life saver in long shoots for photographers that do not have the ability to carry around extra batteries. Add this grip to your collection today to give your camera the extra boost it needs!