Duracell Procell Alkaline Constant 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. These alkaline 9-volt batteries operate reliably in temperature extremes of negative 20 degrees Celsius to 54 degrees Celsius. Dependable after 10 years of storage. Ideal for infusion pumps, wireless microphones, smoke alarms, radios, portable transmitters, and security backup systems. General Information Manufacturer:Duracell Inc.Manufacturer Part Number:PC1604BKDManufacturer Website Address:http://www.duracell.comBrand Name:Procell by DuracellProduct Name:9-Volt Alkaline BatteriesMarketing Information:These alkaline 9-volt batteries operate reliably in temperature extremes of negative 20 degrees Celsius to 54 degrees Celsius. Dependable after 10 years of storage. Ideal for infusion pumps, wireless microphones, smoke alarms, radios, portable transmitters, and security backup systems.Packaged Quantity:12 / BoxProduct Type:Battery Battery Information Application/Usage:IndustrialBattery Size:9VBattery Chemistry:AlkalineBattery Capacity:692 mAhOutput Voltage:9 V DC Physical Characteristics Color Family:BlackProduct Color:BlackWeight (Approximate):1.59 oz (45 g) Miscellaneous Compatibility: PDAs Infusion Pumps Wireless Microphones Smoke Alarms Radios Portable Transmitters Security Backup Systems Recycled:NoCountry of Origin:China Product Numbers: 41333-52648 041333526485 DUR52648 340943 DURPC1604BKD