Vello BG-C8 Battery Grip for Canon EOS 6D Compatible with Canon EOS 6D DSLR | Comfort and Control in Vertical Position Vertical Position Shutter Release Button | Vertical Position Control Buttons & Dial Holds Up to Two LP-E6 Batteries | Also Works with 6 AA/LR6 Batteries Extends Shooting Time | Contains Camera Battery Door Holder In The Box: AA Battery Tray, LP-E6 Battery Tray, Electronic Contact Cover, Limited 1-year Manufacture Warranty