This Duracell Procell AA battery is a strong, long-lasting alkaline battery. Duracell AA alkaline batteries are the preferred choice by professionals. Internally the same battery as the Duracell Coppertop battery, the Duracell Procell AA alkaline battery is great for businesses, organizations, agencies that use batteries in their operations. Outstanding performance and reliability combined with a great price makes the Duracell Procell AA battery a great buy and 100% guaranteed. Our Duracell Procell AA batteries are factory fresh and highly dependable, delivering long-lasting power. Duracell Procell AA alkaline batteries operate reliably in temperature extremes of -20° C to 54° C. Each Duracell Procell AA Battery has a minimum 7 year shelf life and is date coded with the expiration month and year stamped on each battery. Duracell Procell AA alkaline batteries contains no added mercury.