The Canon BG-E9 Battery Grip is an optional power pack designed specifically for the Canon EOS 60D Digital SLR Camera. It holds up to two LP-E6 battery packs or six AA Batteries (with included battery magazine) offering double-length shooting time. This is especially useful when taking advantage of the cameras Movie Mode Live View Mode and other operating modes that use more power. Furthermore the BG-E9 provides full vertical shooting controls which can be independently turned on or off as the photographer needs to enhance camera handling especially for shooting vertical pictures. Key Features: Holds 2 LP-E6 battery packs for double the shooting time Battery magazine holds 6 AA batteries for versatility Weather sealed for outdoor use Vertical shutter release Up to 3000 shots (without flash)