Power your industrial and professional devices with Energizer Industrial 9V Alkaline Batteries. Whatever the job, their proven performance keeps everyday devices working at construction sites, facility maintenance, repair services, medical centers, business offices, classrooms, and more. And because your tools of the trade are an investment worth protecting, these industrial 9V batteries are made to last, not to leak. They also hold their power with up to five years of shelf life, so go ahead and stock up. Take all of that into consideration and you've made a pretty powerful case for this battery. So, for the precision devices and everyday equipment of your work site, depend on the power and protection of Energizer Industrial 9V Alkaline Batteries. Battery Type: Alkaline; Battery Size: 9V; Voltage: 9 V; Material(s): Alkaline Manganese Dioxide.