DURACELL Coppertop 9V Battery, 6 Count, Smoke Detector Battery

Replace your smoke detector battery once a year. Make it Duracell. Duracell Coppertop 9V alkaline batteries are trusted in smoke detectors and carbon monoxide detectors across American homes—the devices that protect your family when it matters most. Guaranteed for 5 years in storage. Also essential for walkie-talkies, guitar effect pedals, multimeters, and professional test equipment.