Rayovac High Energy AAA Batteries, 8 Pack is a set of 8 high-performance AAA batteries designed to provide long-lasting power for high energy-consuming devices, such as toys, flashlights, remote controls, and portable electronics. The batteries are mercury-free and contain a patented energy-dense formula that allows them to last up to 10 years in storage. They are also designed to provide reliable performance in extreme temperatures (-20°F to 140°F) and have a shelf life of 10 years. Rayovac High Energy AAA Batteries are suitable for both household and professional use.