Nova Tech US via Amazon offers the DBPower 12V DC Portable Electric Auto Air Compressor Pump for $26.99. Coupon code "U4KUA2VQ" cuts that price to $21.59. Plus, Prime members bag free shipping. That's tied with our mention from two weeks ago and the lowest price we could find by $11. It features a long charging cable, three high-air flow nozzles, adaptors, and cigarette lighter cord.