HP Laptop Adapters Power Supply 18.5V 3.5 A 65 Watts Yellow Tip 18.5V 3.5 A 65 Watts Black Tip 18.5V 4.9A 90 Watts 18.5V 6.5A 120 Watts Multi Pin HP 19V 4.74A 90W HP Mini 30 Watt Adapter HP Smart Adapters