Dorcy Mastercell AA Alkaline battery packs, perfect for devices that rely on AA batteries. These packs boast a 10-year shelf life and feature an expiration date code on each battery for added convenience. The foil battery jacket and bilingual packaging ensure easy handling. Moreover, these batteries are environmentally friendly, being mercury and cadmium-free. They excel in temperatures ranging from 0 to 100 degrees Fahrenheit (-17 to 49 degrees Celsius). (Model: 41-1628)