Discover the benefits of the Energizer LN91 AA Industrial Lithium Battery - 1.5V. These batteries are the longest-lasting in the world, protecting your expensive industrial tools and devices with 100% leak-proof technology (based on standard use). With an impressive range of -40⁰ F to 140⁰ F, lithium excels in extreme temperatures, making it ideal for outdoor use. At 33% lighter than traditional alkaline batteries, these are the perfect choice for portable devices, especially cordless tools. Plus, they can hold power in storage for up to 20 years.