USABILITY: Pack of 24 AA batteries for everyday devices, such as remote controls, alarm clocks, radios, etc... Power your devices with the long-lasting and reliable energy of Energizer AA Alkaline batteries. DURABILITY: Energizer AA Alkaline batteries hold power for up to 7 years in storage, with no leaks or corrosion, so you have energy when you need it most. QUALITY: Energizer has been at the forefront of the battery industry since it created the first consumer battery in 1896. ENERGIZER removed mercury and cadmium from regular use batteries (alkaline, zinc-carbon, and NiMH) almost 20 years ago.