HP AC-Adapter Smart 45 Watt NPFC RC 4.5mm NSLIM

The HP 854054-001 is a 45 W Smart NPFC mains adapter for HP and Compaq laptops. It converts mains power to DC for a laptop’s external power input, with a 3-pin design identifying this variant.

It supplies 19.5 V DC at up to 2.31 A and accepts 100–240 V AC input. The black, desk-style unit is intended for mains supplies within that range.

A 4.5 × 2.8 mm output plug with a centre pin connects to the laptop. The mains side has a C6 AC socket. These connector details help identify the matching power connection for model 854054-001.

This adapter provides external power to HP and Compaq laptops through the corresponding power input. Package contents: the listing specifies that a power cable is not included.