Goodyear Inflator 5000 12 V and 120 AC not great

[Driftin Di]

I bought one of these a few months ago to be able to take with us on our trips to easily pump up the AS tires or our tow vehicle plus we have a lot of other rigs at home that we could use it for as well. I literally have had it for a few months and it just won't inflate anything it dies after 1 second even if plugged in to AC or 12V and it will not stay charged on it's own. Can someone recommend a really good inflator that runs both 120 and 12V.
Much appreciate the help!