Replacement Battery for Canon, Polaroid  works with Canon DM, MV, Optura, ZR Series Fits: Canon DM-MV100X, MV-430IMC, MV-Xli, Optura 20, 626I, PI MiniDV, ZR10, ZR20, ZR25, ZR25MC, ZR30MC, ZR40, ZR45MC, ZR50MC, ZR60, ZR65MC, ZR70MC, ZR80, ZR85, ZR90 Replaces: Canon BP-508, BP-511, BP-511A, BP-512, BP-514, BP-522, BP-535, Polaroid PR-511L, PR-522L 7.4V / 3000mAh Lithium Ion 2 Year Warranty Replaces Canon BP-522 7.4V 3000mAh (7hr.) Lithium-Ion 3 Year Warranty