The HP 917649-850 is a 150 W PFC Smart slim AC adapter for powering compatible HP notebooks. Its slim format and barrel connector identify the adapter type for matching it to a notebook power setup.
It supplies 19.5 V at 7.7 A through a connector with a 4.5 mm center tip. Check that the notebook uses this specified HP adapter and connector when choosing this variant. Service part number L32661-001 is associated with HP 917649-850.
Its 150 W rating and listed output describe the adapter’s electrical capacity for everyday notebook use.