MN1400, Alkaline Battery, 1.5V Nominal Voltage, C Size Battery, Alkaline Manganese Dioxide, Flat Contact Terminal, 26.2mm Diameter, 50mm High, 69g Weight, -20°C to +54°C, 150mR Internal Impedance, Duracell Procell Alkaline Batteries Deliver Outstanding Performance and Reliability, Dependable, Long Lasting Power, Contains No Added Mercury, Suitable for Use with Flashlights, Radios, Tape Recorders, Duracell Procell, Supplied in Pack of 10