Specialty Batteries: Type - Silver Oxide Battery; Primary Application - Watch, Electronic Battery; Cell Style - Button; Voltage - 1.5V; Capacity - MAh - 165 MAh; Terminals - Flat Terminals; Height - 0.213 in(5.4 mm); Diameter - 0.456 in(11.6 mm) Dia; Industry Part Numbers - D303/357, 303, 357; Packaging - Carded/1; Additional Information - Mercury Free