The Original Delta 90W AC Adapter ADP-90SB BB Power Supply is a high-quality AC/Standard power adapter specifically designed for use with laptops such as Acer and ASUS. With a compatible model of ADP-90SB, this power supply delivers a voltage of 19V and a current of 4.74A, providing a reliable and efficient charging solution for your device. The Delta brand ensures durability and reliability, making this power supply a dependable choice for your laptop's charging needsThis intem is used work good..