compatible with Asus 90W X502CA X550C X550CA X550Z Laptop Charger AC Adapter
L 5.5x2.5mm Lenovo,HP,ASUS,MSI,Toshiba. N 3.0x1.0mm ASUS. 1 X AC Adapter. Output Power: 90watts ( compatible with19V 4.74A, 20V 4.5A, 19.5V 4.62A). Quality: High Efficiency, High Reliability, Low Ripple & Noise.