vello bg-c8 battery grip for canon eos 6d unknown <br> <br>compatible with the canon eos 6d digital slr camera <br> <br>provides 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 and main dial. <br> <br>accepts up to 2 lp-e6 batteries to effectively double the camera's battery life. <br> <br>the included aa battery holder allows you to use 6 aa batteries for added convenience <br> <br>features anti-slip rubber gripping and a securely locking battery chamber door. <br> <br>provides a camera battery door holder to store the camera's battery chamber door when the grip is mounted. <p></p> <br> <b>power source: </b>1 or 2 x lp-e6 li-ion batteries <br>6 x aa/lr6 alkaline, ni-mh, lithium or nickel-manganese batteries <br>also works with the canon ac adapter kit ack-e6 (sold separately) <br> <br> <b>operating temperature: </b>32-104°f (0-40°c) <br> <br> <b>tripod mount thread size: </b>1/4"-20 <br> <br> <b>dimensions (hxwxd): </b>5.5 x 5.5 x 3.5" (139.7 x 139.7 x 88.9mm) <br> <br> <b>weight: </b>12.8 oz (363 g) (without battery tray and batteries) <br>