Power your industrial & 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, & 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 & stock up. Take all of that into consideration & youve made a pretty powerful case for this battery. So, for the precision devices & everyday equipment of your work site, depend on the power & protection of Energizer Industrial 9V Alkaline Batteries. Battery Type: Alkaline; Battery Size: 9V; Voltage: 9 V; Material(s): Alkaline Manganese Dioxide.