Energizer Industrial Alkaline batteries are produced to the same specifications as Energizer Long Life Alkaline batteries – and designed for today’s heavy current or continuous applications. Energizer Industrial Alkaline batteries offer the longest lasting power source of all primary batteries over a range of sizes. No mercury added. Special disposal is not required. Operate well in temperature extremes (-30C – 55C). Excellent shelf life – alkaline cells are ready for use after 5 years of storage. Energizer Industrial batteries are the exact same batteries offered to consumers (with the silver labels) except they are specially priced for government and commercial buyers.