I bought one of these from Amazon to keep my travel trailer tires inflated properly.
It operates off the 12 V plug in your vehicle. The operating characteristics for this small compressor are as follows:
12 VOLT - 100 PSI Maximum Working Pressure, engine must be running during use.
1.06CFM Free Flow @ 0 PSI
Deluxe carry bag included
Brass twist-on tire chuck
Turn unit on to inflate, off to check pressure pressure using onboard gauge
3 pc. Inflation Tips Kit
150 PSI Gauge
Accessory Power Plug
15-Amp Inline Fuse Holder
Power Cord: 16 feet.
Air Hose: 4 feet.
Deluxe Carry Bag
- Permanent Magnetic Motor
- Duty Cycle: 30 min. @ 30 PSI
- Max. Working Pressure: 100 PSI
- Max. Amp Draw: 15 Amps
- Dimensions: 6.5L inches x 3.6 inches W x 6.2 inchesH
- Net Weight: 5.05 lbs.
It is well worth the cost. Plus you aren't at the mercy of paying for air at one of those compressors at the station which may or may not be operating.