As a major subsidiary of the Group, Tianneng Battery Group Co., Ltd., whose predecessor, Changxing Storage Battery Factory, was founded in 1986, has become a leading supplier of motive batteries for electric vehicles in China after two decades of development.

Currently, the principal activities of the Group are production and sale of electric bike motive batteries, electric car motive batteries and new energy storage batteries sold under its "TIANNENG" brand. To speed up the research and development of motive batteries for pure electric cars, the Group is collaborating with several automobile manufacturers. To support the national policy of energy saving and creating a low-carbon economy, the Group is implementing a sales and marketing strategy focusing on key new energy areas to accelerate the development of its wind and solar power storage battery business as well as its lead recycling business.

Since its establishment, "TIANNENG" has been the dominant brand in the China motive battery market and was also one of the renowned brands for all motive batteries. It has captured many awards and certificates, including the "National Well-known Trademark" and the "Zhejiang Prominent Brand Product." The Group was also acknowledged as the “Chinese Best Brand of Motive Battery” by Frost & Sullivan during the period from 2008 to 2011, “The Most Reliable Battery Brand for Electric Vehicles” and “Outstanding Contribution to the Promotion of the Electric Vehicles Industry in China” by CCTV.com.