About this item 45W Laptop Charger power max: Wattage 45W, AC Input: 100 - 240V 50 - 60Hz, Output: DC 19.5V/2.31A, Blue tip connector, Power Adapter Compatible with All 4.5mm*3.0mm BLUE tip connector laptops. Compatible with various laptop models including Pavilion and Notebook series. 45W laptop power cord suitable for multiple models including Stream and other compatible laptops. Compatible P/N: HP Laptop Charger part numbers include 13252, 741727-001, and others. Size: 7.4 x 4.37 x 1.77 inches.