EnerSys manufactures, markets, and distributes industrial batteries in the Americas, Europe, the Middle East, Africa, and Asia. It 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; switchgear and electrical control systems used in electric utilities and energy pipelines; and commercial aircraft, satellites, military aircraft, submarines, ships, and tactical vehicles. The company also offers motive power products that are used to provide power for manufacturing, warehousing, and other material handling equipment, including electric industrial forklift trucks, mining equipment, and diesel locomotive starting and other rail equipment. In addition, it offers industrial battery related products, such as chargers, power equipment, and battery accessories, as well as provides related after-market and customer-support services. EnerSys markets and sells its reserve power batteries principally under the ABSL, ABSL Power, ABSL Space, ArmaSafePlus, Cyclon, DataSafe, Genesis, Hawker, Huada, Odyssey, Oerlikon Battery, PowerSafe, and SuperSafe brand names; and motive power batteries primarily under the Douglas Battery, Express, Fiamm Motive Power, General Battery, Hawker, Huada, and Ironclad brand names through a network of distributors, independent representatives, and its internal sales force. 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.