Polaroid High Capacity Sony BD1 Rechargeable Lithium Replacement Battery (Compatible With: Sony Cybershot TX1, T77, T200, T90, T2, T900, T300, T70, T700, T500, T200, G3 ) 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:Sony BD1 3.6V/850MAH