Extra Value 10 Pack of Brand New Duracell AA / MN1500 Batteries. Procell is a premium professional battery brand, exclusively serving the professional market. While other battery brands serve both retail and professional customers, Procell solely focuses on the professional market in order to guarantee products and services specifically designed for professional usage. As a result, Procell Alkaline batteries are used by millions of professional end-users and leading professional OEMs (Original Equipment Manufacturers) around the world for its quality, reliability, performance and service.Procell provides a wide range of high performing alkaline professional batteries.Procell understands how critical it is for professional end-users to drive the profitability of their businesses. When it comes to batteries, this is achieved through minimizing costly battery replacements.As a result, Procell has designed its batteries using its highest quality materials and manufacturing process, to provide better longevity in professional devices (vs. prior Industrial Alkaline AA, AAA, C and D batteries), that may result in fewer battery replacements and may therefore lead to savings on operating costs that are associated with battery replacementProcell Alkaline batteries are manufactured using superior cell design (vs. prior Industrial Alkaline AA, AAA, C and D batteries), ensuring our highest quality cell construction.Batteries are tested in order to guarantee highest quality and reliable performance. Environmental testing is also conducted to insure dependable and consistent use.Procell superior alkaline cell design enables operation in temperatures from -20°C to 54°C.Design, safety, manufacturing, and qualification follow Procell’s stringent battery standards, which incorporate parts of the ANSI and IEC battery standards.