OEM Duracell Coppertop alkaline general purpose batteries, designed to provide reliable power for a variety of devices. These batteries are often specified for use in flashlights, portable electronics, remotes, calculators, smoke alarms, door locks, and cameras. Featuring DuraLock Power Preserve Technology, they are guaranteed fresh for 5 years in storage. This pack contains 4 batteries, ideal for keeping your devices powered and ready for use.