Specialty Batteries: Type - Carbon Zinc Battery; Primary Application - Electronic Battery; Cell Style - Rectangular; Voltage - 30V; Terminals - Flat Terminals; Height - 2.560 in65.0 mm; Size - 0.630 x 1.030 in16.0 x 26.2 mm; Industry Part Numbers - 413; NEDA Listing - 210; IEC Listing - 20F20