Duracell Batteries, Alkaline, Hi Density Core, Aa 20 Ea

No. 1 world's most advanced alkaline (Based on Hi-Density Core and PowerCheck). The only one with Powercheck. Duralock Power Preserve technology. Guaranteed 10 years in storage. Trusted everywhere. Printed on recycled paperboard. No mercury added. www.duracell.com. Made in USA.