Tianneng Battery Group Co., Ltd., through its subsidiaries, engages in the research and development, production, sale, and service of lithium batteries for new energy vehicles, start-stop batteries for vehicles, and wind energy and solar energy storage batteries. The company offers lead-acid and lithium-ion power, traction, industrial backup, electric and mobile energy storage, starter, start-stop, on and off-grid, grid-connected, smart microgrid, and composite energy storage batteries. Its products are used in the fields of transportation, tourism and leisure, logistics and express delivery, sanitation cleaning, storage, communications, power, railways, ships, radio and television, UPS, digital and consumer products, and energy storage systems. The company was founded in 1986 and is headquartered in Changxing, China. Tianneng Battery Group Co., Ltd. operates as a subsidiary of Tianneng Power International Limited.