I've got the Robi 18V ONE+™ HP Cordless Brushless 41Bar Power Washer.
https://uk.ryobitools.eu/garden-tools/garden-cleaning-tools/pressure-washers/ry18pwx41a/ry18pwx41a-0/
This is the higher power HP version, which is the one to go for. The less powerfull model is a bit weak according to reviews.
It is really a pressure cleaner. not a pressure washer. It will never replace a proper pressure washer and hose.
It is best use is a convenient power cleaner rather than running power cords and hoses out or as a remote cleaner in a place away from power and water sources.
I use it to c