Power essential devices! Alkaline batteries deliver reliable power for everyday use. High-density core produces ample power to keep devices ready for use. Enhanced power check permits easy viewing of remaining power with the touch of a button. Date coded and mercury free. Batteries can last up to 10 years in storage. Duracell(R) Quantum Alkaline AAA Batteries, Pack Of 4 is one of many AAA Alkaline Batteries available through Office Depot. Made by Duracell.