Power up your devices with Dorcy Mastercell Alkaline AAA battery packs. Designed to work with any device using AAA batteries, these packs boast a 10-year shelf life, an expiration date code on each battery, and a foil battery jacket with bilingual packaging. Furthermore, these batteries are environmentally friendly, being mercury and cadmium-free, and they perform seamlessly in temperatures from 0 to 100 degrees Fahrenheit (-17 to 49 degrees Celsius). (Model: 41-1623)