Car Tire Air Pump Portable with 20000 mAh Battery Powered & DC 12V, 150PSI Air Pump for Car Tires with Auto Shut-off, Cordless Tire Inflator with Accurate Pressure & 5 Inflation Modes Grey is up for auction in Automotive. The current bid is $18.50, 8% below the $20.00 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.