Power: Input 120V-240V/ 50-60Hz Output: 19V 4.74A 90Watt; ac adapters are CE FCC RoHS certified for safety. Connector: 5.5*3.0 with pin Warranty info: Order your replacement ac adapter backed by our 30 day money back guarantee 12 months warranty; 24/7 email support free exchange. Package includes: 1 AC adapter 1 extended power cord