Tianneng Battery Group. 

Tianneng Battery Group Co., Ltd., a subsidiary of Tianneng Power International Limited, was established in 1986 and is based in Changxing, China. The company's primary activities involve the comprehensive lifecycle of batteries, from research and development to manufacturing, sales, and service. Its product portfolio features advanced lithium batteries designed for new energy vehicles, specialized start-stop batteries for automotive applications, and robust energy storage systems for renewable sources like wind and solar power. Tianneng offers an extensive selection of battery technologies, including both lead-acid and lithium-ion, categorized by their function: power, traction, industrial backup, mobile and stationary energy storage, starter, on/off-grid, grid-connected, smart microgrid, and composite energy storage solutions. These diverse battery offerings find application across a wide array of sectors, such as transportation, leisure, logistics, sanitation, warehousing, telecommunications, power generation, railways, marine, broadcasting, uninterruptible power supplies (UPS), digital and consumer electronics, and large-scale energy storage infrastructure.