Duracell Coppertop AA alkaline batteries, built in the USA with US and global parts, contain Duracell’s exclusive POWER BOOST™ Ingredients, which deliver dependable, long-lasting power to your everyday devices throughout the home, like toys, baby devices, home and kitchen accessories, flashlights, medical devices, clocks, and more. Our Duracell Coppertop AA alkaline batteries are guaranteed for 12 years in storage , so you can rest assured they will be ready when you need them. BUILT IN THE USA WITH US & GLOBAL PARTS: Our AA alkaline batteries are built in the USA with US and global parts FORMULATED WITH POWER BOOST™ INGREDIENTS: Duracell Coppertop AA alkaline batteries contain Duracell’s exclusive POWER BOOST™ Ingredients, which deliver lasting performance in your devices GUARANTEED FOR 12 YEARS IN STORAGE: Duracell guarantees each Coppertop AA alkaline battery to last 12 years in storage, so you can be confident these batteries will be ready when you need them DEPENDABLE POWER: Duracell Coppertop AA alkaline batteries are made to power everyday devices throughout the home, like toys, baby devices, home and kitchen accessories, flashlights, medical devices, clocks, and more QUALITY ASSURANCE: With Duracell batteries, quality is assured; every Duracell product is guaranteed against defects in material and workmanship. AVAILABLE SIZES: Duracell Coppertop alkaline batteries with POWER BOOST™ Ingredients are available in AA and AAA sizes