A123 Systems is a global leader in the development and manufacture of high-performance lithium-ion battery cells and systems. Driven by innovation, we continuously grow our portfolio to offer best-in-class lithium batteries – from high-performance mild hybrid systems to optimized high-energy density products, serving the transportation and energy storage markets. European entities were founded in 2015 with two major locations; the European headquarter including the Engineering & Sales Center in Stuttgart, Germany and, the European Production Facility in Ostrava, Czech Republic. A123 Systems is headquartered in Hangzhou, China, offers more than 20 years of experience, more than 700 core patents and 500+ original invention patents. The company employs around 2,500 people world-wide.