AC Doctor INC 19.5V 3.34A AC Adapter Power Charger 65W for Dell Inspiron 15-3531 15-3542 Dell Chromebook 11, 7.4x5.0mm Input: AC100-240V Output: 19.5V 3.34A Power: 65W Max. Connector plug Tip Diameter: 7.4x5.0mm. 2-prong US Power cord included. CE UL RoHS certified, safe use. 12 months warranty, OEM factory price, US local dispatch. NOTE: If the output Voltage Ampere DC jack size and connector Dia. is the same as your ac adapter it can fit your computer. Please double ensure. If not it will not compatible.