Canon LP-E8 Battery Pack for Canon Digital Rebel T2i and T3i Digital SLR Cameras (Retail Package) The high-capacity LP-E8 lithium ion battery pack is specifically designed for the Canon EOS Rebel T2i and Rebel T3i NOT compatible with previous Canon Rebel cameras (Including the T1i) 7.2v - 1120mAh - 8.1Wh (Li-ion) Dispose of by proper recycling.