Canon BG E8 Battery Grip for 550d : 600d : t2i : t3i Unboxing and Hands On - YouTube
Amazon.com: mcoplus BG-550D Vertical Battery Grip as BG-E8 Replacement for Canon EOS 550D 600D 650D 700D Rebel T2i T3i T4i T5i DSLR Camera, Hold LP-E8 or AA Battery : Electronics
T2i / 550D knock-off battery grip review Part 4: Essential DSLR accessories | Nino Film Blog
BATTERY GRIP 550D T2I
Amazon.com : PhotoHighQuality Battery Grip Compatible for Canon Rebel T2i T3i T4i T5i EOS 550D 600D 650D 700D : Electronics