Specialty Batteries: Type - Lithium Battery; Primary Application - Photo, Electronic Battery; Cell Style - Cylinder; Voltage - 3V; Capacity - MAh - 1550 MAh; Terminals - Flat Terminals; Height - 1.358 in(34.5 mm); Diameter - 0.669 in(17.0 mm) Dia; Industry Part Numbers - DL123A, EL123AP, RL123A; NEDA Listing - 5018LC; IEC Listing - CR17345