Energizer Alkaline Power AA Batteries provide long-lasting power for everyday devices. Energizer double A batteries fuel the technology that helps you live, work, and play. These Energizer batteries are made for powering and operating electronic devices reliably. Use them to power a variety of everyday tools and devices, whether you need flashlights, thermometers, or wireless mouse devices for your laptop or computer. With a shelf life of up to 10 years in storage, these alkaline batteries are ready to keep your devices operating when you need them most. For emergency preparedness and backup power supply, depend on your Energizer Alkaline Power Double AA Battery to fuel your everyday electronics.