90W AC Charger for Asus Q550 Q550L Q550LF R510 R510C R510CA R510L R510LA R510D R510DP K501 K501U K501UX K501L K501LX K501UW Laptop Power Supply Adapter Cord Fit for Asus Q550 Q550L Q550LF R510 R510C R510CA R510L R510LA R510D R510DP K501 K501U K501UX K501L K501LX K501UW Laptop Output: 19V 4.74A 90W Input: 100-240V 50-60Hz Easy to Carry, Not Need Additonal Power Cord Package Includes: 1 X Power Adapter Warranty: 30 Days Money Back Guarantee/12 Months Warranty