Duracell Plus C batteries are alkaline batteries ideal for powering all your everyday devices. These batteries are Duracell’s recommendation for everyday devices, such as digital cameras, photo flash, toys or boom boxes, and of course are great fit for the regularly used devices as flashlights, portable game controllers, shavers, toothbrushes and any other. Duracell batteries that go unused can stay powered up to 10 years in ambient storage.