SOLICE 65W New EliteBook Revolve 810 820 840 850 725 745 755 G1 G2 AC Adapter Power Supply for HP EliteBook Folio 9470m 9480m HP ProBook 430 G1 G2 440 450 455 645 650 655 HP 250 255 Power specs:Input Volt Range: 110-240V / Output: 18.5V 3.5A 65W (note:not 90w ) Connecter size:7.4mm 5.0mm Compatibility: HP EliteBook Revolve 810 G1 G2, 820 G1, 840 G1, 850 G1, 725 G2, 745 G2, 755 G2; HP EliteBook Folio 9470m 9480m; HP ProBook 430 G1 G2, 440 G1, 450 G1, 455 G1, 645 G1, 650 G1, 655 G1; HP 250, 255 G CE/FCC/UL or ROHS Certified for Security,100% Compatibility With the Original SOLICE offer 30 days money return and 12 months warranty!