Duracell Coppertop all-purpose alkaline batteries are not only dependable, they’re also long-lasting. You can take comfort in a 10-year guarantee (5-year guarantee for 9V) in storage. They’re great for many of the devices you use on a daily basis. And from storm season to medical needs to the holidays, Duracell is the battery you can trust. Designed for use in office items like remotes, wireless mice or keyboards, and more. Guaranteed against defects in material and workmanship. Should any device be damaged due to a battery defect, Duracell will repair or replace it at their option. Designed and developed for long lasting quality performance. Guaranteed for ten years in storage (five-year guarantee for 9V). An essential item for your breakroom or supply closet.