This APD Asian Power Devices AC adapter model DA-40A19 is compatible with ASUS laptops and has a voltage of 19V with an output current of 2.1A. The adapter is black in color and is suitable for use in laptops and desktops. The model number of the adapter is APD DA-40A19.This item is perfect for individuals looking for a reliable and efficient power adapter for their ASUS laptops. It is compatible with several laptop brands and has a standard voltage and output current. With its sleek black design, it complements the aesthetics of any workspace. Purchase this APD Asian Power Devices AC adapter model DA-40A19 today and power up your laptop or desktop with ease.