Digipower BP-LPE8 Replacement Li-Ion Battery for Canon LP-E8 for use with Canon Rebel T2i and T3i DSLR Cameras Replacement Li-Ion Battery for Canon LP-E8 Lithium Ion Never be caught without a backup battery on hand Rechargeable Replaces Canon Lp-E8 Digital Camera Battery Fits Eos 550D, Eos Kiss X4 & Eos Rebel T2I 7.4V of power 11,20 Mah of power Li-Ion Battery