Recommend a jump box / inverter / air compressor ?

[BLINGMW]

I went separate. 

I'm considering that. I just have a hard time understanding how someone hasn't added some jumper cables to something like this battery powered halfway decent air compressor




EDIT: I emailed and heard back from in an hour, an english speaking person at Campbell Hausfeld who actually seems to work there (in Ohio!). She said they used to have two of exactly what I'm looking for 10 years ago, but they sold poorly and were discontinued. She sent me the spec sheets too. Damn!