CopperTop all-purpose alkaline batteries are not only dependable they re also long-lasting. You can take comfort in a 10-year guarantee in storage. They re great for many of the devices you use daily. From storm season to medical needs to the holidays you know it s a battery you can trust. Use AAA CopperTop batteries for smoke alarms flashlights lanterns calculators pagers door locks cameras recorders radios CD players medical equipment toys and electronic games. Duracell Coppertop Alkaline AAA Battery 4-Packs 216 / Carton (Quantity)