Power your electronic devices requiring AA cells with the 4-pack of standard, all-purpose, 1.5V AA Coppertop Alkaline Batteries from Duracell. These batteries have a shelf life of up to 7 years, and an impressive, long-lasting capacity of 2850mAh. With a reputation for quality, Duracell has provided a secure seal for improved leak protection, and designed the batteries to function in extreme temperatures. The batteries contain no added mercury.