Power your industrial and professional devices with Energizer Industrial AA Lithium Batteries. Construction site, facility maintenance, medical center, business office, classroom: Wherever you work, the longest-lasting professional AA batteries keep your electronics up for the job. In normal use, they’re 100% leak proof to protect your work site devices, and they operate in temperatures ranging from -40ºF to 140ºF. And 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. So, 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 AA Lithium Batteries.