The Energizer AA Lithium Ultimate Batteries come in a convenient 4-pack and are designed for high-drain devices such as digital cameras, flashlights, and gaming controllers. These lithium batteries deliver reliable, long-lasting power, boasting a performance that outlasts standard alkaline batteries in demanding applications. With a lightweight design and a shelf life of up to 20 years, they are perfect for both everyday use and emergency situations. The Energizer AA Lithium Ultimate Batteries are also known for their ability to operate effectively in extreme temperatures, ensuring consistent performance when you need it most.