9 Volt Industrial Battery. 1/Shrink Wrapped PremierPro Industrial Batteries are designed to last even longer than standard consumer alkaline. Both 9V and AA, provide dependable power sources for a broad range of battery-operated devices throughout your hospital setting. All batteries are securely wrapped in clear plastic with perforations for easy removal from the packaging. PremierPro batteries meet or exceed the performance standards set by the national brands.