At that point, the auto-stop, when target pressure is reached, becomes rather academic. It probably took longer to type in that mouthful of a name than for the unit to inflate our test tyre from flat. This is the outright fastest inflator here and it's a cracking piece of kit. The 3m power lead, 85cm air hose, screw-on valve coupling and auto-stop at the desired pressure make it a doddle to use.
The Deflate button means correcting over-inflated tyres accurately is just a press away. The best feature of all, though, is a tiny rubber nubbin to place the removed valve cap on, meaning you'll never misplace one again. Only the premium price robs it of more points here. This leftfield unit from Sealey gets the bulk of the basics right — but often in an odd way. For instance, the generous 5m power lead means the inflator can always be positioned right by the wheel, making its 2m coiled air hose a little excessive.
We like the digital gauge and auto-stop facility, but pressure has to be expressed in PSI only, unlike with all the other units here. The gauge, annoyingly, shows target pressure rather than actual pressure, leaving a coloured bar display to chart inflation progress. Our final niggle is the old-school lever-type tyre coupling. Although it's been around for some years now, it's testimony to Halfords that this model still cuts it so well with newer rivals.
If it was launched today, we suspect it would have a Deflate button to go with the screw-on valve coupling, it would probably be a bit smaller, and it would almost certainly come with a carry bag. The good points far outweigh these minor moans, though. But it only lost out by a mere two seconds. In fact, few inflators are as intuitive to use as this one. The large display shows actual pressure as well as target pressure, and a single knob is used to set the target level. You press it to toggle through PSI, Bar and other units, and twist it to set the value.
Here's one of three very similar, and obviously closely related, units that made us question the logic behind Michelin's tiny Top Up model in position In reality, this isn't much bigger, but it has enough grunt to tackle most tyres from fully flat.
The time taken to inflate our test tyre, though not particularly speedy, was comfortably within this unit's minute duty cycle. Considering the budget price, Sakura really hasn't skimped on the extras either. The digital display has a built-in auto-stop, both the power lead and air hose are decent lengths, and the air hose even has a deflate button.
That's where the similarities end, though. As soon as the MAC01 was fired up, its more energetic, smoother note suggested that this and the Sakura have different bits inside — and it was no surprise that it shaved more than two minutes off the Sakura's inflation time. Its pumping power is hard to beat, adding 10psi to our test tyre almost twice as fast as its rival.
The coiled hose stretches to seven metres, with quality brass and metal connectors, while the dial pressure gauge matched the accurate Michelin digital version. Storage is in a tough bag with zipped compartments for the pump and airline, and space for the brass sports adaptors. Crucially, the 2. Pumping power and quality still secure it the win, though. This is part of a new four-strong line-up, with all but one unit currently exclusive to Halfords.
We've already tested the smaller version, and this double-piston unit is similar. Despite a drawstring bag and clips for the three sports adaptors, it lacks proper storage, with the hose wrapping around the top and a Velcro strap for the three-metre lead. The 85cm hose, our preferred screw-on connection, cigar-lighter socket connection and air-release button impress more.
It was spot on at 20 and 30psi, and took Not as quick as the Ring, but a more balanced package. We used a 4Ah battery; impressively it was still full when we finished, and its tyre inflation time was as good as the best in our 12V compressor test.
Included is an inflator and a deflator; their operational times were almost identical. When used on our airbed, it was considerably quicker than its rivals. As with the Ryobi, it has three scales, three adaptors and a preset function. But there is no deflator option and pumping up the airbed took almost 14 minutes, even though the battery still showed full. We liked the logical layout, preset control and clear display.
It was the lightest compressor here, at 1. After the three tests, it was down to 50 per cent battery life. This model is not much bigger than a soft drink can, but it has a high-quality feel. It also has modes for balls, cycles, motorbikes and cars, plus presets and a light.
The gauge was accurate, but its scales changed for each mode rather than by choice. It comes in a tough, zipped case, but the hose needs removing first. Charging is via a short USB lead, and you need a mains or car adapter. The Mojietu is at the very limit of its performance on cars and is limited to small tyres and 2. It took four minutes in our test, but it got there — and pretty quietly. Looking to keep a closer eye on your car 's tyre pressures? We tested the best tyre pressure monitoring systems on sale Skip to Content Skip to Footer.
Product group tests Home Reviews Product group tests. How we tested them As with our test, we timed our compressors to see how long they took to inflate a inch tyre from 20psi to 30psi, checking for gauge accuracy at the start and finish. Share this on Twitter Share this on Facebook Email. Most Popular. New electric car charger revealed alongside announcement that UK will ban the sale of all new non-zero-emission HGVs by Top 10 best hybrid cars to buy Hybrid cars.
We compared them to find the ones you should consider. To make it fair, we subjected all the compressors to the same tests, which included the time taken to re-inflate a tyre up to 30psi from 20psi, and how long it took to pump up and deflate a standard double airbed - a useful consideration if you go camping regularly.
We measured the noise in decibels of each machine, using a smartphone app, and considered the price against performance, and any useful extras or features.
The tests were similar, and we were impressed by those that featured lights, adaptors, clear instructions and other extras. Between them, you should find one that suits your needs and budget, while the Sakura digital air compressor also performed nearly as well. The RTC increased the tyre pressure by 10psi in well under two minutes and was one of the quietest products we tested. Accuracy is another strong point, being only 1psi out in both tests, and it comes with three adaptors, a few extra valve caps and gloves to use.
The large display has blue backlighting to make it easier to read, while both the hose and power cable were among the longest on test.
Rewinding the cable was a pain-free process, too. Buy now from Amazon. A 70cm hose was one of the longest on test, as was the 3. It also came in a protective case with plenty of padding.
We found it took a surprisingly long time to pump up the tyre, although it is one of the most accurate on test - just 0. The Michelin is a strong runner up, and is better suited to pumping up car tyres than airbeds. It was brilliantly quiet and inflated the tyre in a good time, plus there are multiple 12V cigar lighter and USB sockets. Battery power is impressive too, as it was still reading full after pumping up the airbed - even though that took a long time.
Other good points include its intuitive layout, clear display and its 1.
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