Cordless tyre inflator with digital gauge
Digital pressure display Rechargeable, USB-C 12V car cable included 80 W Valve adapters
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Cordless tyre inflators with digital gauge
A cordless tyre inflator is a small electric pump with a rechargeable battery and a digital pressure gauge. You set the pressure your car needs, clip the hose onto the valve and press start. It is quicker than a garage forecourt air line and it lives in the boot or glovebox.
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Why tyre pressure matters
The Highway Code says tyres MUST be correctly inflated to the vehicle manufacturer's specification for the load being carried, and advises checking them weekly, before a journey, when the tyres are cold. The right pressures are usually printed in the handbook and on a label inside the driver's door frame or the fuel filler flap. Many cars list a higher pressure for a full load.
How to use a cordless inflator
- Check the recommended pressure for your car and load.
- Remove the valve cap and screw or clip the inflator hose onto the valve.
- Read the current pressure on the display, then set the target pressure.
- Press start and keep an eye on the display. Digital inflators are made to stop at the pressure you set.
- Remove the hose and refit the valve cap.
Good to know
- Check cold. Tyres warm up on a drive and the pressure rises, so a reading straight after a long drive is higher than the cold figure.
- Battery. A small pump tops up tyres easily. Inflating a completely flat tyre takes much longer and may need a full charge. Recharge the pump after use.
- Tread too. Cars, light vans and light trailers MUST have a tread depth of at least 1.6 mm across the central three-quarters of the tread, according to the Highway Code.
Frequently asked questions
How often should I check my tyre pressures?
The Highway Code advises checking them weekly, before a journey and when the tyres are cold. Use the pressures in your car's handbook or on the label in the door frame.
Can a cordless inflator pump up a completely flat tyre?
It can add air, but a fully flat tyre takes a long time with a small pump and may use the whole battery. A tyre that keeps going flat has a puncture or a leaking valve and needs to be checked by a tyre fitter.
Does a tyre inflator work on bikes and balls?
Most come with adapters for other valves, such as a needle for balls and a nozzle for Presta bike valves. The product page lists what is included.