Swetz,I have had the one below in my cart for some time on ebay. Just waiting for some surplus funds...LOL
https://www.ebay.com/itm/124069311378
The air powered unit is sweet! If you do not use it a bunch, it is expensive. I have both styles. The air unit is Enerpack. It came with my hose crimper. I actually use the pump unit for most of my port-a-power work
The Enerpack fittings are surely expensive!