I got mine mid August '18...works great!!!... pumps up an empty .38L bottle in slightly over 10 minutes to ~3000 psi, 13 in ~5-6 min...give or take a minute or so.
Very well built and packaged...haven't tried it on 12 v yet...a bit heavy to cart around +/- ~17#...buddy bottle might be a bit more convenient and lighter
Works excellent for my purpose.
I highly recommend it or the $100 upgrade I don't need but will be useful to many.