Energizer Ultimate Lithium AA Batteries are built to last longer than any other AA battery on the market. Not only are they the world's longest-lasting AA batteries, but they also feature leak-resistant construction, ensuring reliability over time. These batteries are designed to perform exceptionally well in extreme temperatures, ranging from -40 to 140 deg F, making them perfect for both outdoor and indoor use. They're ideal for powering high-tech devices or household items that require AA batteries. Plus, they weigh one-third less than standard alkaline batteries, providing a lightweight and efficient power source. Trust Energizer Ultimate Lithium batteries for long-lasting, dependable power at home, work or during play.