Polaroid High Capacity Samsung BH-1310 Rechargeable Lithium Replacement Battery (Compatible With: NX11, NX10, NX5, NX100 ) 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: Samsung BH-1310 3.7V/1050MAH