Tianneng Power International Limited, with its subsidiaries, researches, develops, manufactures, and sells lead-acid batteries and 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 and tricycle batteries, four-wheeler batteries, tubular batteries, and starter and start-stop batteries for automobiles, as well as lead-acid motive batteries, lead-carbon energy storage systems, and backup batteries. It also provides lithium-ion battery products and recycled materials, hydrogen fuel cells, sodium-ion batteries, solid-state batteries, electrode plates, and various new arm technologies, along with transportation services. Additionally, it engages in materials trading, lead-acid and lithium-ion battery recycling, and property development. Founded in 1986, the company is based in Wan Chai, Hong Kong.