CopperTop Alkaline 9V Batteries, 12/Box - Long-Lasting Power for Everyday Needs Experience unparalleled reliability with Duracell Coppertop all-purpose alkaline batteries, designed to deliver long-lasting energy for your everyday devices. These batteries come with a robust 10-year guarantee in storage, ensuring they are ready when you are. Specifically, the 9V batteries are guaranteed for five years in storage, making them a dependable choice for a variety of applications from storm season to holiday celebrations. Perfect for office essentials like remotes, wireless mice, keyboards, and more. Duracell guarantees against defects in material and workmanship. If a device is damaged due to a battery defect, they will repair or replace it, at their discretion. Engineered for long-lasting quality performance. An indispensable addition to your breakroom or supply closet. Duracell, under the renowned CopperTop brand, continues to be the trusted choice for reliable power solutions, especially when it matters most.