Brand‎GenericModel Name‎HP 18.5V – 3.5A 7.4*5.0mmItem part number‎HP06503-BDimension‎17 x 6 x 13 cm; 450 GramsCompatible Devices‎LaptopSpecial Features‎TravelMounting Hardware‎AdapterNumber of items‎1Wattage‎65 WattsPower Source‎Corded ElectricPin Size‎7.4*5.0 mmBatteries Required‎NoNumber of Ports‎1Warranty‎06 MonthsWeight‎450 gThis Adapter is rated at 65W and is of large pin (7.4mm) configuration. It delivers 18.5V, 3.5A output power and supports 100-240V of input power.The Compatible models for the adapter are HP EliteBook G1, G2, 745, 810, 820, 840 and 850 laptops.Compatible part numbers: 608425-002, PPP009L, ED494AA, #ABA, 693711-001, 613152-001, 609939-001, 609940-001, 519329-003, PPP009H, 677774-004, 677774-002, 677774-001, 391172-001, 724264-001, 584037-001, 608425-002, 519329-002, 609939-001, 609940-001, 584037-001, 693711-001, 677774-001, 463552-002, 463958-001, 677774-002.If your laptop model is not listed here, kindly match with the output rating & output pin type from your old ac adaptor, as given above. If it is same, you may buy this adaptor