Procell Constant 9V PP3 Professional Alkaline Batteries, 10 Pack - 

Pack of 10 Procell Alkaline Constant power 9V industrial batteries are ideal for powering low drain professional devices which require constant current over a long period of time such as smoke/carbon monoxide detectors. Delivers longer lasting power (vs. prior Procell Alkaline 9V battery) in low drain professional devices, that may result in fewer battery replacements and may therefore lead to savings on operating costs that are associated with battery replacement. Guaranteed 5 years in Storage. Manufactured using superior cell design (vs. prior Procell Alkaline 9V batteries) to ensure high-quality cell construction. Design, safety, manufacturing and qualification follow Procell’s stringent battery standards which incorporate parts of the ANSI and IEC battery standards. Designed to meet all major quality, safety and environmental standards: safety: IEC 60086-5, ANSI C 18.1M, Part-2, EU battery directive, quality: ISO 14001 and 9001, Duracell world class continuous improvement program.