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Reviewed in the United States on June 15, 2024
This is my second purchase of this pump. Although The model number changed, I can’t see any difference in this newer model number. I bought the first one in 2018 for my Tesla since I no longer go to gas stations and it has been very convenient and flawless. Pumps reasonably fast and stops based on the digital pressure gauge. Just don’t drop it! I did this and the plastic broke where it holds the on off switch. However I glued it and still works fine. My wife kept swiping mine for road trips so thought it was time to get a second. Price almost doubled from 2018, but didn’t want to take a chance on an untested pump.
Kitsap Consumer
Reviewed in the United States on April 22, 2021
I've had problems with gas station air filling pumps not fitting on tire valves and deflating rather than inflating my tires. I also have to pay for air (usually $3 to check all four tires), there are often line ups for the air pumps and my temporary spare has to be removed from the trunk to reach the valve. For all of these reasons plus developing a fear of exploding tires after listening to the Car Talk Guys episode on the fear of putting air into your car tires (thanks Click & Clack!), I have been very negligent about keeping my car tires properly inflated. I have been researching AC compressors and electric tire inflators for months but they all seem to have problems. Years ago I tried a $25 electric inflator but that was useless for car tires. Small air compressors are expensive (>$100), take up space and they all have complaints of poor quality hoses and high failure rates within a couple of years. So I decided to go with just an AC/DC tire inflator in the $75ish price range. This newer Kensun that has the digital display of the air pressure target setting and a gauge on the top seemed to be the least worst inflator, so I decided to try it. I have tried this inflator out once on my car tires and found that it was easy to use, particularly as they include an accessory clip-on hose attachment so you do not have to screw the air hose on and off all the tires. It was nice to have the option as my "fake" spare tire has the stem so tight to the rim that I could not use the clip-on attachment but the screw-on hose worked well. I also inflated a wheelbarrow tire that had a similar tight stem where the screw-on hose end worked better. Nice to have the choice of screw-on or clip-on. My car tires were not bad (checked with a high end pressure gauge recommended by Click & Clack) and only required a little filling. I set the appropriate target PSI on the Kensun pump to the recommended 30 PSI for the back and then 33 PSI for the front tires. The valve seal was tight and it took only about 2 minutes for the lowest tire to inflate, and I thought the noise level was not too bad (I did wear ear muffs most of the time). Although the automatic shut-off did work on the four tires, what I found when I checked the pressure with my tire-gauge, is that the reading on my gauge was consistently 32 for the back tires that I had set for 30 PSI, and the front tires read out at 34 or 35 PSI after setting the pump at 33 PSI. I suppose that my tire gauge could be off (it has been accurate to gas station pumps), but others have reported that these tire inflators do not have accurate gauges. At least the auto shut-off worked and in the future I will try setting the PSI for 29 and 32 to compensate for this slight over-inflation. I found a similar situation for the wheelbarrow tire at 40 PSI where the read-out on my gauge was was 42 PSI versus 40 PSI on the Kensun digital gauge. The auto shut-off was a different story for the fake spare tire which needed 60 PSI and it's original reading was 35 PSI. It took about 3-4 minutes to fill but at 64 PSI on the Kensen digital gauge, the pump was still going and it did not appear that the automatic shut-off was working. I stopped the pump manually (visions of exploding tires in my head) and my gauge also registered 64 PSI on this tire. Overall, I think you need to verify the PSI independently, and I would not fully trust the auto shut-off particularly at higher pressure levels. I don't know, maybe I got a partial lemon for the gauge. The inflator did what I wanted it to do and now owning my own inflator I am more likely to maintain car tire pressures properly. The ability to easily inflate other items (I'll try bicycle tires next) is also an advantage. The inflator is not heavy and it comes with it's own zippered carry case which will not take up too much room in the car for emergency use. But as others have pointed out, you cannot "get the genie back into the bottle". Both of the AC and DC cords are neatly folded into a slot in the bottom of the unit, but good luck getting these back into the slot. As others have said just put the detachable AC cord in the case rather than trying to get it back into the bottom slot. I did not use the DC cord so it is still neatly folded in the bottom. That the AC cord is detachable could be a problem as it could get lost. I am going to wrap this black cord with colored tape to make it stand out in the blackness of the black carry bag. As others have pointed out the AC cord is short so you will need an extension cord if you are filling your car tires. The built-in light would be useful for emergency use but I expect to mostly use this pump in and around my garage. Except for the possible slight inaccuracy of the gauge and failure of the auto shut-off to work at 60 PSI, I am happy with this purchase.
Russ N
Reviewed in Canada on April 18, 2021
Easy to operate and gets the job done quickly. Better than gasoline station inflators. It will surely come in handy when on the road, but hopefully I don't have to use it.
Mia
Reviewed in Canada on May 11, 2019
Works great, exactly what I needed
Ahmad Albakhit
Reviewed in Canada on March 20, 2018
This is a great product ... thank you very much
AFTAB A. ANSARI
Reviewed in the United States on October 30, 2018
Kensun AC/DC Rapid Performance Portable Air Compressor Tire Inflator with Digital Display for Home (110V) and Car (12V) - 30 Litres/Min This tire pressure pump is a big upgrade from running to a gas station for air. Features I like about it: It’s a small unit (maybe a couple of ponds), quite quiet, allows hands-free operation because the nozzle screws on to the tire’s inlet, digital display of pressure set and pressure achieved, auto shut off when the set pressure is achieved, lighted display, works from AC wall outlet 110 v and also from car’s 12 v outlet, can be used for inflating soccer ball with included needle. I used it for the first time and liked it a lot: no need to read instructions; just look at the buttons and do things intuitively. Set the max desired pressure, turn on the pump, the unit turns off when the pressure is achieved. Move to the next tire, and the unit remembers the pressure you set earlier (unlike a previous complaint that the unit reverts back to some pressure and you have to re-set the max between tires; maybe the manufacturer listened and fixed the annoying problem). The nozzle screws on the tire’s inlet for hands-free operation. The pressure pump shuts off when the desired pressure is reached. Previous reports say that the AC wire is short: this is easily solved bu using an extension cord. Previous reports also say that the 12 v cord may not allow reaching all four tires of trucks. In emergency situations on the road this can be a problem.
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