Industrial AA Alkaline Batteries. 1.5V. Long-lasting power designed for professional use. Upgraded performance and runtimes. Leak-resistant design to protect your everyday devices. Holds power in storage for up to 10 years. Energizer Industrial® Alkaline batteries are your go-to choice for the professional devices you use every day. Expect long-lasting power and reliability – for greater confidence in your tools and devices while on the job.