AstroAI Tire Inflator Air Compressor Cordless Car Tire Pump with 20V Rechargeable Li-ion Battery 150 PSI Portable Handheld Air Pump with 12 V Car Power Adapter for Cars Motorcycles LS40791（C1）

Work great. Quick and accurate. I rather use this than to go to any gas station. Im purchasing another to place in our other vehicle.

This is a lot smaller than my car air pump. It works well and is easy to pack away. I used it to air up a small ball and when the ball was full it shut off without any issues. Then I used it to air up my daughters little bike tires and set the psi to 40 as the tire pressure and it stopped at 40psi. The accessories are great to have but I wish it had some sort of carrying case. Battery is strong and holds a charge well. Very happy I took a chance with this little thing.

Works but a bit slow handy and portable

This is a cool little like compressor. It comes with several adapters you might need to blow up a variety different things and is easily packed in a car. It inflates pretty fast and when using the presets wont allow you to over inflate. This has been a great find I only wish it came with a case.

This portable inflator is very cool. Its shaped like a cordless drill, complete with a trigger to turn airflow on/off. The lithium battery is contained in a removable battery pack at the bottom of the unit, but if you prefer to use DC power from your car you simply switch out the pack for the one with the DC power plug. I havent seen many portable inflators that operate on both rechargeable batteries and DC car power. Its usually one option or the other. So its nice to have both options in one unit in case the lithium battery dies, or if its inconvenient to plug into the car and start the engine just to inflate a sports ball, for example. There are default settings for inflating bike tires, car tires, motorcycle tires or sports balls. Default settings are easily changed by pressing the plus or minus keys. When the desired pressure is displayed, connect the hose to the nozzle and press the trigger. As soon as the desired pressure is achieved, airflow shuts off automatically. If you prefer to inflate tires or sports balls by feel instead of by specifying a set pressure, just press the trigger to start inflating and then press again to switch off airflow. This is great if you want to inflate a volleyball, for example, to slightly less pressure than the label on the ball recommends. One product photo shows the guy holding the unit to the tire and pressing the trigger, suggesting that you have to hold the trigger to inflate. This isnt the case at all. You press the trigger once to start airflow, and then press again to stop (unless youre using the auto-stop feature). The unit is somewhat quieter than comparable inflators. More importantly, its fast. Using the lithium battery, it took me a little more than half a minute to go from 13 psi to 25 psi when inflating my ebike tires. Price is reasonable for what you are getting. I love this inflator and definitely recommend it.

I chose this tire inflator /air compressor because the last one may have been “small and conveniently portable” but it was also such a waste of time and a definite waste of money! As soon as this guy arrived at my residence I opened the package and immediately started to check my tire pressure- which was SO low- then got my tires pumped up to their optimal pressure. MAN, I completely forgot how much better my car drives when my tire pressure is right as rain.

I have a couple normal compressors, but theyre both a hassle to get out when I just need to air up the tires a few PSI. I got the AstroAI Air Compressor with the intention of it solving for that use case. I thought the form factor would be a REALLY nice feature, considering that the compressor can stand upright on its own. The reality, though, is that the usefulness is limited by the really short inflator hose. Even with 245/40-19s its easy for the valve step to be up and out of reach. Ive had to put the AstroAI on an overturned bucket on more than one occasion. While its awesome to not have a 12V cord strung back to an Aux power jack in your car, its good to have reasonable expectations of what you can do with that battery. I ran it down by 3/4 by filling 4 tires from ~35 PSI to 42 PSI. You set inflation pressure on the device, and it shuts off when it reaches the setting. Thats a nice feature because you dont have to keep checking the pressure. Its also good from the standpoint that the inflator is tragically slow. Filling larger tires, or from lower pressures (or both) could be a real problem for this unit. Its worth noting that you probably dont want to run this thing for long periods of time, either, as the compressor just isnt built for that. Speaking of batteries, this battery pack appears to be completely proprietary. While its possible that this will last for years and years, you will still have to (eventually) deal with the battery dying and not holding a charge. Fortunately, it looks like its made of normal 14500 cells, so you can rebuild the thing yourself (if you have 30 minutes, and a good attitude). For seasonal tire top-offs, bike tires, and pool toys, this is a decent occasional use inflator. Conditionally Recommended

I like this tire inflator so much that I bought a second one for my SUV. I have a big expensive compressor I keep in my RV, but it has to be connected to the battery of the RV which is great if I have to top off all the tires. If I just want to top of a tire or two, this small tire inflator is perfect. Much quicker as it has a battery, or you can use the cigarette lighter adapter. There are 4 modes and the PSI is saved, so I have one set for the RV, one for my car, one for my motorcycle and one for my bicycles. I quickly filled one RV tire from 66psi to 80psi and the inflator didnt feel very hot. Very happy with it.

Small, portable and so handy! Really like the idea of being able to inflate my tire if it is low without worring about getting my car to an air pump. This pump isnt heavy, its very easy to use, easy to attach and lets you set your pressure with auto shut off. It came in handy when my tire was low due to a nail and my husband was working, I was able to easily fill up my tire and take it to get plugged. It saved so much time, glad I had it.

Perfect for keeping under the car seat. It isnt too large. Had a battery pack or cigarette lighter adaptor. Every few months I need to top off my air pressure to keep my tps system from giving me an error. I usually keep apt 36psi in my tires and when I started inflating they only had 33psi it only took about 10seconds on each tire to get to 36psi. The built in air gauge to set how much was great.