Specialty Batteries: Type - Silver Oxide Battery; Primary Application - Watch, Electronic Battery; Cell Style - Button; Voltage - 1.5V; Capacity - MAh - 26 MAh; Terminals - Flat Terminals; Height - 0.102 in2.6 mm; Diameter - 0.268 in6.8 mm Dia; Industry Part Numbers - D377, 377; NEDA Listing - 1176SO; IEC Listing - SR66; Packaging - Carded