DJW 18.5V 3.5A 65W AC Power Adapter Charger for HP Pavilion DV4 DV5 DV6 DV7,HP Probook 430 440 450 455 G1 G2;Probook 640 645 650 655 G1;EliteBook Revolve 745 810 820 840 G1 G2;ZBook 14 15u G2