Experience reliable power with the Duracell MN27 A27 GP27A MN27 E27A 12V Alkaline Battery, tailored for medium drain applications. This single battery, sold in a pack of one, is designed to meet the demands of your everyday devices, ensuring a consistent and dependable source of energy. With dimensions of 7.7mm in diameter and 28mm in height, this battery is compact and easy to install. Duracell's commitment to quality is evident in the MN27's chemical composition, which is specifically engineered for longevity and efficiency, making it a trustworthy choice for all your power needs.