The ADL135NDC2A Lenovo AC Adapter Delta Power Supply is a high-quality power adapter designed for Lenovo laptops. With a voltage output of 20V and a current output of 6.75A, it is suitable for charging and powering laptops with compatible specifications. The black adapter is compact and lightweight, making it easy to transport and use on the go. Made in China, this unit is reliable and efficient for keeping your laptop or docking station powered up and ready for use.