A123 Systems specializes in advanced lithium-ion battery technology, notably its patented Nanophosphate® lithium iron phosphate (LiFePO4) chemistry derived from MIT research. This technology provides enhanced cycle life, thermal stability, and power output. The company offers a range of battery solutions including low-voltage (12V, 48V) for mild hybrid/stop-start systems, high-voltage packs for PHEVs, EVs, and motorsports, as well as energy storage systems for grid, industrial, and residential use. Its upcoming Semi-Solid-State Battery (SSSB) aims for 350Wh/kg energy density with improved safety, launching in 2024.
A123 Systems provides diverse products such as low-voltage 12V and 48V batteries for automotive mild hybrid and start-stop systems, high-voltage battery packs for plug-in hybrids, full electric vehicles, and luxury motorsports including Formula 1. They also offer containerized and modular energy storage systems for grid and commercial applications. Their Semi-Solid-State Battery technology is a notable upcoming product for enhanced safety and energy density.
A123 Systems has deployed over 100MW of grid energy storage systems globally, with projects spanning Hawaii, Chile, Massachusetts, and Europe. Key deployments include frequency regulation, renewable firming, and transmission support in partnership with utilities such as AES Energy Storage and Southern California Edison. The company announced plans for commercial launch of its Semi-Solid-State Battery in 2024 from its facility in Hangzhou, China. It also participates in industry conferences emphasizing clean energy transitions and energy storage technology roadmaps.
A123 Systems has secured significant funding totaling between $251M to over $1B, including venture capital, government grants, and public offerings. Early investors included Qualcomm Ventures, Sequoia Capital, and institutional investors like GE and Alliance Capital Management. The company received a $249M grant from the U.S. Department of Energy in 2009 and raised $380M in its 2009 IPO. In 2013, it was acquired by the Wanxiang Group for $257M, strengthening its global position.
