Vivitar Replacement Battery for Canon LP-E5 Compatable with the Canon Digital Rebel XS & XSi Digital SLR Camera Lithium Ion Battery (VIV-CB-E5) 1800 mAh Replacement Battery For Your Canon LP-E5 Warranty Five Years Capacity 1800 mAh Format Lithium Ion Compatible with Canon EOS Rebel Xsi, XS, T1i EF-S, EOS Kiss X2, Xsi, 500D, 450D, 1000D and Digital Rebel XS models