EnerSys manufactures, markets, and distributes industrial batteries. The company operates in three segments: Americas, EMEA, and Asia. The company offers chargers, power equipment, outdoor cabinet enclosures, and battery accessories, as well as related after-market and customer-support services for industrial batteries. It also offers reserve power products that are used for backup power for the continuous operation of critical applications in telecommunications systems; uninterruptible power systems applications for computer and computer-controlled systems; and in other specialty power applications, including security systems, starting, lighting, and ignition applications, as well as for switchgear and electrical control systems used in electric utilities, energy storage, and energy pipelines; and commercial aircraft, satellites, military aircraft, submarines, ships, and tactical vehicles. The company's reserve power products also include thermally managed cabinets and enclosures for electronic equipment and batteries. In addition, the company offers motive power products that are used to provide power for electric industrial forklifts used in manufacturing, warehousing, and other material handling applications, as well as mining equipment, diesel locomotive starting, and other rail equipment. 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 to reflect its focus on the energy systems business. EnerSys was founded in 1999 and is headquartered in Reading, Pennsylvania.