EnerSys is a manufacturer, marketer and distributor of industrial batteries. The Company also manufactures markets and distributes related products, such as chargers, power equipment and battery accessories, and it provides related after-market and customer-support services for industrial batteries. Industrial batteries generally are characterized as reserve power batteries or motive power batteries. Reserve power batteries are marketed and sold principally under the PowerSafe, DataSafe, EcoSafe, Hawker, Genesis, Odyssey, Varta and Cyclon brands. The motive power batteries are marketed and sold principally under the Hawker, EnerSys- Ironclad, General Battery, Fiamm Motive Power and Express brands. In August 2009, EnerSys acquired Keystone Mountaineer Power Systems, Inc., a battery supplier to the mining industry.