Mcoplus LCD Vertical Battery Grip for Canon EOS 7D as BG-E7 with RC5 Wireless Infrared Remote Control Brand New Pro Battery Grip for Canon 7D SLR Camera Hold 6 AA batteries or 2 LP-E6 Li-ion batteries Doubling the battery capacity of your camera, effectively extend your shooting time Vertical shutter with half-press function. More comfortable vertical shooting Extra CR1620 coin battery provided to power the LCD