AVID POWER Tire Inflator Portable Air Compressor, 20V Cordless Car Tire Pump, Rechargeable Battery Powered Air Compressor w/12V DC Adapter, Digital Pressure Gauge

Tired of paying two bucks at the gas station, I have always yearned for a portable tire inflator. Here are two of the most popular models compared (Please see photo). Which is fastest, best built and most reliable?AVID TIRE INFLATOR OVERVIEW:Both of these cordless inflators resemble drills with similar lithium-ion batteries. The Avid has a 20 volt battery as opposed to the 12 for the Autder. Is this a real world advantage? More voltage means how much power the battery generates. Thus, the Avid is a bit more powerful and fills the tire a bit faster. Avid states that you can inflate three to four tires fully depending on tire size. For 214/60 R16, as an example, you can fully inflate three tires from flat and each tire would take about five minutes.For just topping off a low tire, the Avid works easily and relatively fast. Its maximum pressure is 100 PSI. I increased my car’s tire pressure from 32 to 41 in about 90 seconds.For accessories, you get a car adapter, a couple of inflation adapters, and a handy storage bag. You can buy an inexpensive second battery from Avid.AUTDER TIRE INFLATOR OVERVIEW:The Autder looks like my Dewalt drill but, alas, the batteries do not swap. The 2600mAh battery will last a long time. The mAh number determines how long a battery will hold a charge. This one should last a year in your trunk if not left out in extreme weather. As long as you are just topping off your tire pressure, the battery will last through many charges. If starting from a completely flat tire, the size of the tire with affect how much air you’ll get before running out. Figure on two tires if both are totally flat. In real world use, this is not a likely scenario, though. Maximum pressure is 120 PSI.For accessories, you get a great car adapter, a generous supply of inflation adapters, and an excellent storage bag. Audter does not sell extra batteries so you are limited to one.EASE OF USE: AVID VS. AUTDER:Both are equally adept at quickly topping off a tire, easy to use and were within 1 PSI of my trusty gauge. I found the Autder more intuitive and convenient to work with although both are quite usable. The Autder shows both the current pressure and desired pressure at the same time. Strictly used as a gauge, it’s easy to read, too. The available battery capacity left is also easy to access in the same area as the other readouts. The Avid can be toggled between set and desired pressures. The Autder is slightly quieter.WHICH HAS THE BEST WARRANTY AND SERVICE:Avid’s warranty is listed on Amazon as two years. Inside the box is a warranty card. Both companies respond promptly to questions.Here’s what Autder says about their warranty: “We promise you with one-year warranty, actually, we are not permitted to list the warranty on the listing according to amazon's rules.” That’s unusual. No warranty info is included in the box.RECOMMONDATIONS: WHICH IS BEST?Both air compressors are reasonably well built, similarly priced and get the job done confidently. Both have a convenient auto stop function when desired pressure is reached. At the time of this review, the Avid was about 15% less expensive. Consider this when deciding: The Avid will fill faster yet the battery won’t hold a charge as long in storage. The Autder will last a longer time in the trunk but at 12V vs. 20V for Avid, it won’t inflate quite as fast. You can buy a second battery only for the Avid.Both inflators rate 5 stars for ease of use. For warranty, the Avid rates 5 stars for a generous two years. With no option for replacement batteries, and a stated one-year warranty they say they are not permitted to list on Amazon, Autder’s service after the sale is not as confidence-inducing.

This has been a terrific purchase for me. I no longer have to worry about tire damage or air loss on the neglected streets of my city. The day after I got this item, one of my tires went TOTALLY flat in my garage. This pump aired up the tire perfectly in 4 minutes. I was saved from having to bother someone to leave their work & help me, or get a tow-truck, or just go nuts from stress. INSTEAD, I could handle the tire quickly, effectively, efficiently & have some dignity doing so.I was able to get the car to a tire repair shop with no problem. -- In other words, it took a nightmare of helplessness, & turned it into a confidence-builder! -- The cost is SO reasonable; especially when it can save towing costs. I LOVE the well-made, well-designed, handy carry-case. It keeps things organized, & prevents damage to the pump & battery. I carry it in the car at all times. Having to use it at roadside incidents would be very convenient. Settings on the pump allow for PSI & other designations. Once set to your desired air pressure, the pump turns off automatically when the desired pressure is reached. Re-charging the battery is easy. I highly recommend this wonderful item. It's a practical, helpful gift.

This little compressor is very convenient. Its easy to use and comes with a few accessories. The psi is easy to adjust/set. After you connect it to you valve stem it will read the psi. You set the psi you want,vand pull the trigger. It will inflate to the set psi, and shut off.However, I have learned that it is not accurate. Once I set the psi and inflate the tire, I have to double check the pressure with another guage. I have found it is always 1 to 1.5 pounds off. I now set the psi higher than needed and bleed off the excess.While this is NOT good and disappointing, the convenience of this unit is nice. It would be great if I could trust it!

This little air compressor is very handy. I needed to fill up the tires on a car that was in a storage unit and it worked great. Charged up the battery, hooked it up, pulled the trigger, and it went to work. I mistakenly thought I'd have to kneel by the car and hold the trigger in while it inflated the tire, but no. The trigger is a switch. Turn it on, set the air pressure you want, and let her rip. It shuts off when it reaches your pressure setting. The fact that this can also be powered by the 12-volt plug in your car is a bonus. In my case, I didn't expect the power cord to reach from the vehicle I drove to inside the storage unit. Yes, it does heat up a bit; all compressors warm up eventually. I paused this one a couple of minutes between tires and it worked fine. Started with barley 4 pounds, brought them all up to 28.

Everyone should have this in their vehicle. Goodbye the gas station now charging you, yes, CHARGING you, for air! Isn't gas expensive enough? Best of all, this portable compressor is light and easy to use. I hooked up in seconds and filled the wife's tires--and mine--in a flash. We will take it everywhere on vacation just for peace of mind. You never know when that little nail or screw is going to bite you. Rest easy. There's air enough here for everything but a sidewall blowout, and the chances of that are slim.