jameshanley39******.co.uk shared these words of wisdom:

> thanks for pointing that out.. I saw an adaptor on ebay rated at
> 18.5V as you say.
>
> It's 18.5V 3.5A
>
> incase anybodyis interested, it says it's compatible with the HP
> Tablet TC1000 too, and some Compaq Presario models are listed.

Yes, the adapter is the same for the tc1000 and for tons of COMPAQ and
HP notebooks.
I'm using mine from the Armada M700, f.e.

Rainald