Power your industrial and professional devices with Energizer Industrial AA Alkaline Batteries. Construction site, facility maintenance, medical center, business office, classroom: Wherever you work, they keep your electronics up for the job with long-lasting, proven performance. Plus, these industrial AA batteries are made to last, not to leak. Theyll protect your work site devices from leakage of fully used batteries for up to 2 years. And because they hold their power with up to 10 years of shelf life, you wont have device downtime. So, when work depends on CO detectors, wireless keyboards, smoke detectors, and more, you can trust the power and protection of Energizer Industrial AA Alkaline Batteries.