Neewer&reg; Vertical Battery Grip (Replacement for BG-E8) + 4x LP-E8 Replacement Batteries for Canon EOS 550D 600D 650D 700D / Rebel T2i T3i T4i T5i SLR Cameras Hold 6 AA batteries or 2 LP-E8 Li-ion batteries. Vertical shutter with half-press function. More comfortable vertical shooting. Doubling the battery capacity of your camera, effectively extending your shooting time. Same functions as the original battery grip Canon BG-E8. High quality product with a big discount from the original one. Professional edition with vertical-grip shutter-release button, main dial, AE-L button, Index/Reduce button and Exposure button.