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

Price: $25.37
(as of Sep 28, 2026 10:01:41 UTC – Details)


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.
HOME SAFETY ESSENTIAL: The go-to battery for smoke detectors, carbon monoxide detectors, security sensors, alarm systems, and emergency devices. Replace annually—always have Duracell 9V ready.
5-YEAR STORAGE GUARANTEE: Duracell Coppertop 9V batteries are guaranteed to last 5 years in storage. Always have a fresh battery ready for your annual smoke detector check.
PROFESSIONAL-GRADE RELIABILITY: Also powers walkie-talkies, guitar effect pedals, multimeters, professional test instruments, and AED trainers—where reliable power isn’t negotiable.
QUALITY ASSURANCE: Every Duracell battery is guaranteed against defects in material and workmanship. The brand trusted by those who take safety seriously.
ANNUAL REMINDER PACK: Whether you need 1 or 4, stock enough for every smoke detector in your home. Test them twice a year. Replace with Duracell every year.
Customers find these batteries to be a well-known brand that works better than alternatives and delivers reliable power. They consider them a household essential and good value for money. The battery life receives mixed feedback – while some say they last a long time, others report they only last a few days. The accuracy of the product is also mixed, with some customers confirming they match the advertised product while others suspect counterfeits.