Energizer Industrial Alkaline "AA" batteries contain the long-lasting power found in Energizer Max Alkaline batteries with a design enhanced for today's heavy current or continuous use applications. Offer the longest lasting power source of all primary batteries over a range of sizes No mercury added - Special disposal not required Operate well in temperature extremes (-30C to 55C) Excellent shelf life - alkaline cells are ready for use even after 7 years of storage. Sold in multiple boxes of 24 up to master pack of 144