Canon LP-E8 Rebel Canon LP-E8 EOS 550D REBEL T2i T3i Battery – Battery World
Amazon.com : Kastar Battery (2-Pack) for Canon LP-E8, LC-E8E Work with Canon EOS 550D, EOS 600D, EOS 650D, EOS 700D, EOS Rebel T2i, EOS Rebel T3i, EOS Rebel T4i, EOS Rebel T5i