Genuine product, checked and packed into the best deal around! Power up your devices with the Energizer AA ULTIMATE Lithium Batteries. This pack of 20 batteries is perfect for high drain devices and has a voltage of 1.5V. The batteries are made with Lithium chemical composition and have a capacity of 1.5Ah. These batteries are designed for longevity and reliability, with an expiry date of 2040+. The Energizer brand is known for producing quality batteries, and these AA batteries are no exception. Whether you need them for your flashlight, portable radio, or any other high drain device, these batteries will keep you powered up for hours.