Rely on Energizer Industrial CR2 Lithium Batteries to power your specialty professional devices. Construction site, facility maintenance, medical center, business office, classroom: Wherever the job takes you, trust your precision electronics to lithium CR2 batteries that are 100% leak proof in normal usage. They operate in work site temperatures ranging from -40ºF to 140ºF. And because they hold their power with up to 10 years of shelf life, you won't have device downtime. So, when work depends on laser pointers, motion sensors, automatic paper towel dispensers, and more, you can rely on the power and protection of Energizer Industrial CR2 Lithium Batteries.