Duracell Coppertop AA 20pk Unit PK. Engineered to deliver all the power you need for a wide variety of devices. Duralock Power Preserve technology for a guaranteed 10 years of storage without losing power. Specifications for Duracell Coppertop AA Batteries: Manufacturer: Duracell Diameter: 0.57 in Battery Type: AA Height: 1.988 in Voltage: 1.5 volts Portable Power Type: Single Use Available quantity options: Pack Package Contents: Duracell Coppertop Batteries - AA The Duracell Coppertop Aa 20pk (pk/20) 243-MN1500B20Z is a quality addition to the Duracell lineup. For more great deals on Batteries by Duracell please browse our Duracell Batteries page. Duracell Coppertop AA 20pk 243-MN1500B20Z Unit PK