Tianneng Power International Limited, together with its subsidiaries, engages in the research, development, manufacture, and sale of lead-acid batteries and its accessories for the light electric vehicle market in the People's Republic of China. It operates through two segments, Manufacturing Business and Trading. The company offers bicycle (tricycle) batteries, four-wheeler batteries, tubular batteries, and starter and start-stop batteries for automobiles; lead-acid motive batteries; and lead-carbon energy storage systems and backup batteries. It also provides lithium-ion battery products and recycled materials; hydrogen fuel cells, sodium-ion batteries, and solid-state batteries; electrode plates; high-temperature solidifying, rare-earth alloy, busbar directly connected, and highly water-retaining new arm technologies; and transportation services. In addition, the company engages in the trading of materials; lead-acid and lithium-ion battery recycling; and property development activities. Tianneng Power International Limited was founded in 1986 and is based in Wan Chai, Hong Kong.