Energizer EN91 Industrial AA 4 Pack Features & Benefits: Comes in a pack of 4 Energizer AA batteries Can be used in a variety of devices, ranging from gaming devices to remote controls to flashlights One of the most commonly used batteries This Pack of AA batteries will add a sense of convenience and reliability to your home and office. This Energizer EN91 Industrial AA Pack will make sure you have batteries when you need them most, especially since AA batteries can be used for a wide variety of device, such as remote controls, gaming devices and flashlights. These batteries can operate in the most extreme temperatures, and they have a shelf life of up to 7 years.