
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 small and medium-sized lithium battery packaging and integration; research and development, manufacturing, and testing of system-in-package (SIP); battery manufacturing and sales; energy storage technology services provision; and battery leasing, as well as offers power management systems and packaging integration for large power batteries, energy storage batteries, and other power management systems. Its products have applications in smartphones, power tools, and other small and medium-sized devices. The company was formerly known as Shenzhen Worldsun Enterprise Co., Ltd.