FORTEM Tire Inflator Portable Air Compressor 150 PSI, 12V Electric FORTEM Tire Inflator Portable Air Compressor 150 PSI, 12V Electric Bike Pump for Car Tires and Bicycles w/LED Light, Digital Tire Pressure Gauge w/Auto Pump/Shut Off, Carrying Case (Red) Bought a while back on Amazon, never used it. Originally retails for about $35. 12v connection