Power your industrial and professional devices with Energizer® Industrial® Lithium AA Batteries. Construction site, facility maintenance, medical center, business office and classroom—wherever 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 -40°F to 140°F. 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.