AstroAI Tire Inflator Portable Air Compressor Tire Air Pump for Car Tires - Car Accessories, 12V DC Auto Pump with Digital Pressure Gauge, Emergency LED Light for Bicycle, Balloons, Yellow

This Astro AI air pump has been a life saver. I had a Ford Escape 2010 that I did not drive for over a year. It's just been sitting unused in my apartment underground garage. This winter, I finally made time to start it so I can sell it since it was just paperweight but when I went down there, all 4 tires were flat. Luckily, I had this air pump handy so it came to the rescue.Took just 12 minutes to go from 0 to 31 PSI. The base gets noticeably hot but I let it cool down for about 10 minutes and start it up again. The pressure reading seems accurate since I can visibly see it pump air into the tires. It is also loud but when you're in a pinch, the volume doesn't matter. After I got the car up and running (after having to do other things), I left it sitting again but drove it at least once a month.Now, it's been a little over 4 months and the tires are still full. Since I still need to wipe and clean it, I held off from selling it and will resume come summer. Overall, this air pump is small but it has mighty power. It's sturdy, durable, and was easy to use and install into my tires. No hassle, no pain, anyone can use it right out of the box. Great price, highly recommend it.

This is super easy to use. Watch some of the instructional videos and you'll be set.None of the reviews mention your car should be running, but the instructions say to leave your car running while you use this. Makes sense, so you get full power and don't drain your batters.My tire was about 6psi low. I was expecting it to take ten minutes or more to get up to the correct pressure so I was doing some other things while waiting. In a couple minutes it shut off so I thought maybe the unit was defector or overheated. I was wrong! I was up to full pressure in just a couple of minutes!I can't believe how much power this little compressor has! Wow.Get yourself a little bag to put it in and keep it in your trunk. You'll be glad you have this with you for emergencies and for keeping your car tires properly inflated. It will probably pay for itself in the gas you save from having properly inflated tires.Yes, this is a real purchase and a real review.

I have had this for several years now. It's a great little unit!It is highly portable. Plug it into a working power outlet (cigarette lighter style), and it is ready to go.Nice features:1. There are settings for your preferred unit of measure (metric or avoirdupois/USA).2. It can be set to a preselected air pressure.3. When set to a specific pressure and the chuck is locked onto the valve stem, it stops automatically.4. Has a backlit display and built-in trouble light for nighttime use.5. Provides consistent pressure readings.Caveats:1. The lockable chuck is only compatible with Schrader valves. Use with Presta valves requires an adapter that is not included.2. It is not a high-volume CFM (Cubic Feet per Minute) unit and, therefore, is not quick.However, its ease of use and convenience are acceptable in most instances.Over the last few years and 100s of times used in all weather conditions, it has been absolutely reliable, never failing once.I highly recommend this product!

The pump seems to be fine. HOWEVER...the large model apparently doesn't exist.I ordered the LARGE yellow pump for $32.98, model A220B (described as plastic). I received the MEDIUM yellow pump for $29.99, model CZK-3631 (described as metal, but actually plastic, too). Amazon customer service offered to exchange the wrong one for the right one. However, I kept the wrong one and re-ordered a LARGE myself, because I wanted to compare the two before returning the wrong one. When the second (supposedly large, model A220B) one arrived, it was absolutely identical to the MEDIUM model CZK-3631!! Now I not only have TWO of the model I didn't want, but twice I have paid the higher price (+ tax) that was listed for the large--and I still have to return at least one. The listing is wrong (apparently there is no medium and the only reference to A220B anywhere on the order is on the box, and it is not a model number but the ASIN (ASIA220B-US). I suspect that the phantom LARGE model is not sold in the U.S. because in the listing its item weight and air flow capacity are listed in kilograms and LPM, which are non-U.S. units. I have requested a return and refund for one of the pumps PLUS the difference in price + tax on the one I’m keeping. I expect to receive a full refund for the item returned but likely will have to eat the difference on the one I’m keeping, so I will have received a unit that isn’t want I wanted and paid more for it than I should have. Do yourself a favor and don’t even try to get the large pump.