Power your industrial and professional devices with Energizer Industrial D Alkaline Batteries. Wherever you work, their proven performance keeps your everyday devices on the job: construction sites, facility maintenance, repair services, medical centers, business offices, classrooms, and more. Plus, these industrial D batteries are made to last, not to leak, because your productivity relies on work site devices that, you know, work. Also, they hold their power with up to 10 years of shelf life, which means you can have batteries stocked for a long time. So, when work depends on emergency exit alarms, motion sensors, two-way radios, and all kinds of other everyday gear, you can trust the power and protection of Energizer Industrial D Alkaline Batteries.