HAWKER Powersource is one of the largest brands of industrial lead-acid batteries in the world. HAWKER has manufacturing, assembly and sales capabilities throughout the world, with product solutions that are the moving force behind applications as diverse as telecommunications and aircraft, UPS systems and submarines.The company is an EnerSys company. EnerSys is the one of the world leaders in stored energy solutions. The company maintains its worldwide, corporate headquarters in Reading, Pa., with divisional headquarters in Europe and Asia. EnerSys operates manufacturing and assembly facilities in the United States, Argentina, Brazil, Canada, Mexico, France, Germany, United Kingdom, Poland, China, Italy and Spain and employs nearly 7,000 employees.