AC Adapter Charger Power Supply for Dell Inspiron 15 (3520) (3521) Laptop19.5V Input:100-240V ~ 1.5A, 50 - 60Hz Output: 19.5v ~ 4.62A, 90W Power: 90W Certification: FCC, CE and RoHS Color: Black Size of Connector:?7.4X5.0mm?