MAIN OVERVIEW FEATURES: Device Supported: NotebookOutput Voltage: 18.5 V DCMaximum Output Power: 65 WMaximum Output Current: 3.50 APackage Contents: HP Power Adapter 1 x Power Cord Compatible to OEM Part Number: 835498-001 693710-001 693711-001 Compatibility: HP Notebooks: ProBook 640 G1 ProBook 650 G1 Limited Warranty: Lifetime