The Xit Pro Series multi-power battery grip for the Canon Rebel T2i, T3i, T4i & T5i DSLR"s effectively doubles your shooting time. The battery cartridge plate holds 2 LP-E8 lithium ion batteries. An additional plate is included which holds 6 AA batteries for added convenience. It features a vertical shutter release and significantly improves stability. One year limited warranty. Substitute for the Canon BG-E8