The Ansmann Alkaline 9V Battery is a high power disposable battery in a pack of 1 cell and is suitable for general household use amp applications such as clocks, radios, remote controls, telephones and other similar devices Ansmann Quality amp Reliability 9V E Block 6LF22 9V Alkaline battery 0% Cadmium, 0% Mercury Length 12.7 mm Width 17.5 mm Height 48.5 mm