Shenzhen Desay Battery Technology Co., Ltd., together with its subsidiaries, researches, designs, develops, produces, and sells lithium battery power management systems, energy storage cells, and related packaging integrated products in China and internationally. It is involved in the small and medium sized lithium battery power management system, and packaging integration; system-in-package; energy storage technology service; battery leasing; and large power and energy storage batteries businesses. The company also provides small and medium-sized mobile power management systems. It serves consumer electronics and power tool manufacturers. The company was formerly known as Shenzhen Worldsun Enterprise Co., Ltd. and changed its name to Shenzhen Desay Battery Technology Co., Ltd. in June 2005. Shenzhen Desay Battery Technology Co., Ltd. was founded in 1985 and is based in Shenzhen, China.