For HP Pavilion TouchSmart 15-n090sa notebook charger Power Adapter Adaptor
Safety & Quality. The Amperage (A) must be equal to or less than our adapter's amperage. 65W AC Adapter, 19.5V at 3.33A output with a 4.5mm x 3.0mm Blue Tip (Pin Inside). Maximum Power Output65W [Fully Compatible with 19.5V 2.31A(45W)].