Power your industrial and professional devices with Energizer Industrial Lithium AA Batteries. Construction site, facility maintenance, medical center, business office and classroomwherever you work, the longest-lasting professional AA batteries keep your electronics up for the job. In normal use, they're 100% leakproof to protect your worksite devices, and they operate in temperatures ranging from -40F to 140F. With a 20-year shelf life, you won't have device downtime. All of that lithium performance comes in a heavy duty AA battery that weighs 33% less than an alkaline AA. When work depends on automatic paper towel dispensers, hard hat lights, pulse oximeters, and more, you can rely on the power and protection of Energizer Industrial Lithium AA Batteries.