It produces a maximum pressure of 100 psi and it’s dimensions are 17.2 x 20 x 9.8 cm, weighing 1.06kg. You feel as if, when you turn it on, it'll measure the amount of radiation in the atmosphere, not air pressure.

It'll give you a figure in pounds per square inch (PSI) or BAR pressure. BAR is the metric unit of atmospheric pressure equal to 14.50 pounds per square inch. It’s not often that three products on test gained the maximum 5/5 rating, but both Ring products and the cordless Ryobi were highly impressive. Between them, you should find one that suits your needs and budget, while the Sakura digital air compressor also performed nearly as well. Best digital air compressors Ring RTC1000 Premium Rapid Digital Tyre Inflator reviewThe Halfords model was one of the most compact devices we tested, meaning that it doesn’t take up precious boot space. However, it doesn’t come with a case, like the admittedly pricier Ring RTC1000, meaning that it’s vulnerable to getting scuffed by other things that you put into your boot. If you want to be equipped for every flat tyre eventuality, the VonHaus Cordless Tyre Inflator has you covered. It will run for up to ten minutes from the supplied 1.5A lithium-ion battery, but if you forget to charge it you can always switch to the bundled 12V adaptor, which comes with an unusually generous 3.5m cable. It has a small, but still readable, digital pressure meter. And you can just set your desired pressure, pull the trigger and let it go to work: it will stop when it reaches the right level. Size is probably the most important thing. The smallest inflators are around 20 x 20cm, so you can leave them in your car without losing too much luggage space. The best don’t skimp on the length of the power lead and air hose, which makes it easier to reach all four valves. Most can be preset to stop inflating when your tyre reaches the correct pressure. The Sunvook tyre inflator sports an impressive large touchscreen. Simply plug it into the 12V power outlet in your car and attach the hose to the tyre you want to inflate. There’s a clear digital display for the current PSI and also a mode button to toggle between different units of measurement(bar, Kpa, psi, Kg/cm 2). Auto stop technology will automatically turn off when reaching the pressure value you preset. Rechargeable tyre inflators can be extremely useful when on the move, as they're completely portable and can be used anywhere.

The Oasser air compressor tyre inflator features an impressive 2200mAh lithium battery. Suppled with a USB charging cable, it takes approximately 4 hours to fully charge the battery. Thanks to its preset pressure function, you can adjust it to your desired levels and the unit will inflate and switch off on completion. It also has a handy memory feature that remembers the last programmed tyre pressure, reducing inflation time and making it faster and easier to get all four tyres up to the correct pressure levels. From everyone’s favourite tyre maker/world renowned reviewer of restaurants is this, the Michelin Programmable Superfast 4x4/SUV Tyre Inflator, and you can tell from the get-go that it means business — it looks less than a tyre inflator than it does something from Star Trek. Or a really fancy spirit level. It also features an LED light with three settings (bright white to illuminate, flashing white for attention and flashing red for SOS), three piece valve set for bikes and balls, and case for tidy storage.

7. OneAmg Digital Tyre Inflator

Overlooking your tyre pressures will not only result in poor performance and reduced safety, but will cost you more money. Having the best car tyre inflator you can find is an important step in maintaining your vehicle.

Higher pressures can mean a harsher more uncomfortable ride, but don’t be tempted to reduce pressures for a softer ride. The inflator sits on four rubber feet to prevent it scuttling around your driveway, while the air hose wraps snugly beneath the device. The same can’t be said for the 12V connector, though, which must be wrapped around your hand and cable tied before it can be reinserted into the inflator. Save Money on Fuel– A tyre inflator allows you to keep your tyres set at the correct pressures at all times. If your car tyres are under inflated, this will case a significant increase in fuel consumption as the car is having to work harder to pull the car along.It’s extremely verastile too, which the option to power it from either a 12 volt DC cigarette lighter outlet OR 240 V AC mains supply. Pumps tyres on all automotive vehicles including car , RV , SUV , ATV , motorcycle bike and also sports equipment and inflatables using the adapters provided. Presta valve adaptor for bicycles included.