Energizer Industrial Alkaline batteries are perfect for use on heavy current or continuous applications. These batteries have the same specifications as Energizer Long Life Alkaline batteries yet these industrial-strength batteries offer the longest lasting power source of all primary batteries over the range of sizes including AA, AAA, C, D and 9V. These batteries do not contain mercury and special disposal is not required for these batteries. These industrial batteries also operate very well in temperature extremes ranging from -22 degrees to 131 degrees Fahrenheit. These batteries also have a very impressive shelf life as these batteries can be used even after five years of storage. These Energizer Industrial batteries are geared toward government and commercial buyers and these batteries are specially priced for those customers. If you are a large volume commercial or government user, contact BatteryJunction.com for special pricing.