OEM Duracell CopperTop AA batteries provide long-lasting, reliable power for various devices used in your business. These batteries are commonly specified for use in flashlights, portable electronics, remotes, calculators, smoke alarms, door locks, cameras, and wireless mice/keyboards. Featuring DuraLock Power Preserve Technology, they are guaranteed fresh for 10 years in storage. Each battery delivers 1.5 V DC power, and this pack contains 10 batteries.