The Bower Battery Power Grip for Canon EOS T2i/550D extends shooting time. It uses two LP-E8 batteries or AA batteries with the included adapter plate.
Reviewed by 1 customers
I use this grip on my T3i for lots of travel photography. It fits like a glove and secures firmly. I shoot a lot with a tripod and the grip provides a stable platform. For portrait shots it is very convenient with shutter, AE lock and AF point selection buttons on the grip. The grip also comes with a remote, which was a surprise. The remote works with the camera and grip.