19V 4.74A 90W AC adapter laptop computer charger notebook PC power cord supply source plug connector tip with 7.4mm*5.0mm. Item No.: LS-PAB90(19V 4.74A) • 100-240V AC to DC 19V AC Power Supply Adapter. • Compatible with HP laptop models:for HP EliteBook Revolve 810 G1, 820 G1, 850 G1.