HP 90W Power Adapter for HP Laptops

What does “Compatible with select laptops” mean?

Is this HP “Smart” AC Adapter, is 1HU30AA compatible with HP Business Notebooks and Tablet PCs?

I can’t find a compatibility list. You can see the box here well enough to read it.

Not bad! I was concerned that the USB charging port in the description was disinformation. However, on closer examination, the port is present on the HP block. It is on the side near the site of the AC wire insertion. This was a good buy.

Seems to be charging my EliteBook 840/G4, just as fast as the factory 90W supply, and more convenient for travel.

USB charging port is hidden under the plastic wrapping the transformer comes in; it is there and works.