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When your smoke alarm chirps at 3am, you want a battery you can trust. The Duracell CopperTop 9V Alkaline Battery delivers dependable, long-lasting power for the household and office devices that matter most. Engineered with Duralock Power Preserve Technology, it holds a charge for up to 5 years in storage so it’s ready the moment you need it.
One battery. Total peace of mind. Keep a Duracell CopperTop 9V in every smoke alarm.
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