The Superer SPD200225D Power Supply AC/DC Adapter is a high-quality power adapter designed specifically for Lenovo laptops. It is compatible with the ADLX45DLC3A model and is ideal for use with Chromebooks. The adapter has a voltage output of 19V and an output current of 2.1A, providing reliable power to keep your devices charged and ready to use. With a sleek black design and a manufacturer warranty of 1 month, this power supply adapter is a reliable and efficient accessory for your computing needs.