Product Type:Input: 100-240V, 50-60Hz Output: 19.5V 3.33A 65W Connector Size:Interior diameter: 3.0 mm; External diameter: 4.5mm; (Note: Please make sure the DC output and tip size of ac adapter are accordant before you buy IEFUU Replacement for HP EliteBook 725 745 755 820 840 850 G3 G4 G5 X360 Folio 1020 1030 1040 Probook 640-G2 640-G3 650-G2 650-G3 430-G2 430-G3 430-G4 440-G3 440-G4 440-G5 450-G2 450-G3 450-G4 450-G5 470-G3 Laptop Notebook Power Supply Cord Plug IEFUU Compatible with HP Notebook 250-G3 250-G4 250-G5 250-G6 255-G3 255-G4 255-G5 255-G6 350-G1 350-G2 355-G2 240 246 250 420 Laptop AC Adapter Charger Complying with the FCC/ROHS/CE Certified Standard.Pls Rest Assured to buy it!!!