65W 45W HP Laptop Charger,AC Charger for HP Elitebook 720 725 735 745 755 820 830 840 850 840r Probook 430 440 445 446 450 455 470 EliteBook Folio 1040 G1 G2 G3 4.5 x 3.0mm & 7.4 * 5.0mm