HP L41856-001 is a 120 W HP Smart power adapter for compatible HP equipment. Listed as a service replacement part, it is intended for equipment designed for this specific adapter configuration.
Its 4.5 mm slim barrel connector and PFC (power factor correction) with RC designation identify the adapter. The connector size and 120 W rating help distinguish it from other HP adapters with different ratings, connector types or configurations. Check that the equipment is designed for this HP Smart adapter before choosing it as a replacement.
The service guide does not name compatible computer models or specify a power cord in the package, so those details are not included here.