Energizer Eveready 6 V Industrial Alkaline Battery measuring 66.7 mm X 66.7 mm X 115 mm is ideally designed for delivering the longest lasting power source of all primary batteries over a range of sizes. Battery is also designed for meeting heavy current and continuous use demands. Battery with 7 yrs shelf life operates well in temperatures ranging from -30 to 55 deg C and does not contain mercury content. It is sold in bulk.