Ensure long-lasting power with Dorcy Mastercell AA Alkaline battery packs. These batteries are designed for devices that use AA batteries and come with a 10-year shelf life, expiration date code, and foil battery jacket for added protection. The bilingual packaging makes them convenient for international users. Moreover, they are eco-friendly, free from mercury and cadmium, and perform exceptionally in temperatures from 0 to 100 degrees Fahrenheit (-17 to 49 degrees Celsius). Get reliable performance for all your devices with Dorcy Mastercell AA Alkaline batteries.