The BG-C10 Battery Grip for Canon 70D from Vello is a battery grip designed for use specifically with the Canon EOS 70D DSLR camera and accepts one or two Canon LP-E6 batteries With two batteries installed your shooting time is effectively doubled Moreover when one battery is drained it can be removed and recharged while you continue shooting with the other battery The BG-C10 can also run off of 6 AA batteries when using the included AA battery tray The design of the grip offers a comfortable and secure way in which to hold your DSLR especially in the vertical position To facilitate shooting when held vertically the BG-C10 comes with a vertical shutter release button as well as AF control buttons and a main dial The BG-C10 is designed with an anti-slip rubber grip to further improve handling and a tripod socket to mount your camera directly to a tripod or mounting