Vello BG-C9 Battery Grip for Canon 5D Mark III
Compatible with the Canon 5D Mark III digital SLR cameraProvides comfortable and secure handling when shooting in the vertical position, including a secondary shutter release button, AF start button, AF point selection, AE lock/FE lock button, multi function button, and main dial.Accepts up to 2 LP-E6 batteries to effectively double the camera's battery lifeThe included AA battery holder allows you to use 6 AA batteries for added convenienceFeatures anti-slip rubber gripping and a securely locking battery chamber door.Contains a camera battery door holder to store the camera's battery chamber door when the grip is mounted.Power Source:1 or 2 x LP-E6 Li-ion Batteries, 6 x AA/LR6 Batteries, Also works with the Canon AC Adapter Kit ACK-E6 (sold separately)Operating Temperature:32-104°F (0-40°C)Tripod Mount Thread Size:1/4"-20Dimensions (HxWxD):6.0 x 4.5 x 3.4" (153.1 x 113.3 x 85.7mm)Weight:10.4 oz (294.8 g) (without battery tray and batteries)