Tianneng Power International Limited, an investment holding company, researches, develops, manufactures, and sells power batteries for electric vehicle market in the People's Republic of China and internationally. It operates through two segments: manufacturing business and trading. The company offers high-end eco-friendly batteries, such as two and three wheeled electric vehicle, start-stop, energy storage and backup, and special electric vehicle batteries; new energy batteries, including lithium-ion and fuel cell batteries; and renewable new materials.

In addition, it manufactures and sells lead-acid batteries, lithium-ion batteries, recycled materials, battery related accessories, electrode plates; sells metal materials; and trades in materials, as well as provides transportation services.