Dorcy Mastercell AAA Alkaline Batteries (2 Pack).

Dorcy Mastercell AAA Alkaline Batteries (2 Pack). 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,