Found similar product in stock: AC Adapter 45W Smart Nfpc (MPN: 740015-002)
The HP 740015-002 is an external power adapter for powering compatible HP equipment. It is rated at 45 W and uses a 3-pin RC 4.5 mm connector, as specified in HP’s adapter table.
Its listed output is 19.5 V / 2.31 A. HP identifies Chicony Power Technology as the supplier for this part number and lists supplier model A045R07DH.