BG-E8 Battery Grip for EOS Rebel T2i, EOS Rebel T2i EF-S, and 18-55mm IS Kit. The Canon BG-E8 Battery Grip for the EOS Digital Rebel T2i SLR camera holds up to (2) BG-E8 battery packs simultaneously to effectively double your shooting power, plus the grip includes a holder to use (6) AA batteries. In addition, the grip includes a vertical shutter release and a mode wheel to provide access to all of the camera functions and make shooting with the camera in a vertical position just as comfortable as shooting horizontally.
