Polaroid High Capacity Olympus BLM1 Rechargeable Lithium Replacement Battery (Compatible With: Olympus E-520, E-510, E-500, E-330, E-30, E-3, E-300, E-1, C-5060, 7070 8080) Memory Free Formulation Saves Charging Time & Extends Battery Life Environmentally Responsible Design Allows Hundreds Of Images To Be Shot Before The Battery Needs To Be Recharged Replaces: Olympus BLM1 7.4V/1500MAH