EnerSys engages in the provision of stored energy solutions for industrial applications worldwide. It operates in four segments: Energy Systems, Motive Power, Specialty, and New Ventures. The Energy Systems segment offers uninterruptible power systems (UPS) applications for computer and computer-controlled systems, as well as telecommunications systems; switchgear and electrical control systems used in industrial facilities and electric utilities, large-scale energy storage, and energy pipelines; integrated power solutions and services to broadband, telecom, data center, and renewable and industrial customers; and thermally managed cabinets and enclosures for electronic equipment and batteries. The Motive Power segment provides power solutions for electric industrial forklifts used in manufacturing, warehousing, and other material handling applications, as well as automated guided vehicles, mining equipment, and diesel locomotive starting and other rail equipment. The Specialty offers batteries for starting, lighting, and ignition applications in automotive and over-the-road trucks; and energy solutions for satellites, spacecraft, commercial aircraft, military land vehicles, aircraft, submarines, ships, and other tactical vehicles, as well as medical devices and equipment. The New Venture segment provides energy storage and management systems for demand charge reduction, utility back-up power, and dynamic fast charging for electric vehicles. The company also offers battery chargers, power equipment, battery accessories, and outdoor cabinet enclosures, as well as related after-market and customer-support services for industrial batteries. It sells its products through a network of distributors, independent representatives, and internal sales forces. The company was formerly known as Yuasa, Inc. and changed its name to EnerSys in January 2001. EnerSys was founded in 1991 and is headquartered in Reading, Pennsylvania.