Keep your device powered up with these alkaline 9-volt batteries Designed for use in household items like remotes, toys, and more. Hi-Density Core technology and exclusive PowerCheck feature to instantly check power level. Duracell guaranteed for 10 years in storage. Duracell(R) Quantum Alkaline 9-Volt Battery is one of many AA Alkaline Batteries available through Office Depot. Made by Duracell.