Size: 12 Count (Pack of 1) CopperTop all purpose alkaline batteries are not only dependable, theyre also long lasting. You can take comfort in a 10 year guarantee (5 year guarantee for 9V) in storage. Theyre great for many of the devices you use on a daily basis. And from storm season to medical needs to the holidays, is the No. 1 trusted battery brand so you know its a battery you can trust.