# AstroAI CZK-3631 12V DC Digital Tyre Inflator

AstroAI CZK-3631 is a 12V DC digital tyre inflator with preset pressure and automatic shut-off. Its compact, lightweight format and LED light suit keeping a pump in the car for tyre top-ups, while its 12V supply means it is intended for vehicle power rather than cordless use.

- [Original product page](https://bargainpostbox.co.uk/product/astroai-czk-3631-12v-digital-tyre-inflator)
- [View offer](https://bargainpostbox.co.uk/visit/astroai-czk-3631-12v-digital-tyre-inflator)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: AstroAI
- Model: CZK-3631
- Category: Cars & Motorcycles > Vehicle Accessories
- Price: 22.89 GBP
- Previous price: 29.99 GBP
- Discount: 24%
- Price checked: 2026-11-12T14:39:16.552Z
- Rating: 4.5 / 5
- Reviews: 102780

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Preset pressure with automatic shut-off is designed to stop inflation at the set target. The listing says the target must be higher than the tyre's current pressure.
- A backlit screen and separate LED light button support use in dim conditions.
- The listing describes a compact design for storage in a glove compartment, seat or boot.

## Pros

- Preset pressure and automatic shut-off reduce the need to watch the gauge continuously during inflation.
- The included LED light and backlit screen are useful when checking tyres in poor light.
- Listed for car, motorcycle, bike and ball inflation, with nozzle adapters named in the included-components list.

## Cons

- It requires a 12V DC supply, so the listing does not describe cordless operation.
- The listed hose is 50 centimetres long, which may limit positioning flexibility around a vehicle.

## Specifications

### Identity
- Brand: AstroAI
- Model: CZK-3631
### Power and operation
- Power configuration: 12V DC
- Voltage: 12 Volts \(DC\)
- Maximum power: 120 Watts
- Airflow capacity: 35 Litres Per Minute
- Maximum pressure: 100 Pound per Square Inch
- Noise level: 80 Decibels
### Features and intended use
- Special features: LED Light, Built-In Gauge, Preset, Auto-shutoff & Mermory Function, Ultrafast 1-min Inflation
- Recommended uses: Tyre Inflator for Compact SUV MPV Sedan Motorcycle Bike, Ball Pump
- Style: Digital
- Colour: Yellow
### Dimensions and installation
- Weight listed: 800 Grams
- Dimensions: 20L x 7W x 16H centimetres
- Hose length: 50 Centimetres
### Materials and protection
- Material listed: ABS Shell, Metal Cylinder, Copper Motor

## Before you buy

- The stated 35 Litres Per Minute airflow and 100 Pound per Square Inch maximum pressure are listing claims, not independent performance measurements. The advertised one-minute inflation claim does not specify tyre size or starting pressure, so treat it as conditional rather than a general inflation time.

## In the box

- Replacement fuse (Included)
- Air nozzle cones \(2\) (Included)
- Needle valve adapter (Included)
- Adapter (Included)
- Extension hose connector (Included)
- User manual (Included)

## A good fit for

- Drivers wanting a compact 12V pump for occasional tyre pressure top-ups in a car, compact SUV, MPV or saloon.
- People who value preset pressure, automatic shut-off and a light for use in darker conditions.
- Buyers seeking a pump that the listing also identifies for motorcycles, bikes and balls.

## Less suited to

- Anyone needing a cordless inflator or a pump that can be powered away from a vehicle's 12V supply.
- Buyers who need a longer hose or verified inflation times for a particular tyre size.

## Customer feedback

Customer feedback highlights compactness, convenient pressure setting and reports of quick inflation, with some customers saying the pump stops at the selected pressure. Reliability and noise are mixed, including reports of early failure and differing views on loudness. These are customer perceptions rather than verified performance findings. The preset shut-off and small listed size suit occasional vehicle top-ups, but buyers who need dependable frequent use should weigh the reported reliability concerns.
- Positive themes: Customers describe the unit as compact and convenient to store.
- Positive themes: Feedback mentions easy pressure setting and positive experiences with inflation speed.
- Negative themes: Some customer feedback reports the unit failing after only a few uses.
- Mixed feedback: Noise feedback differs, with some finding it quieter than other pumps and others describing it as noisy.
- Mixed feedback: Reliability experiences are mixed, despite reports of automatic shut-off at the selected pressure.

## Frequently asked questions

### How is the AstroAI CZK-3631 powered?
It is listed as a 12V DC inflator. The supplied information does not describe cordless operation.
### Does it stop automatically at a chosen pressure?
The listing describes preset pressure and automatic shut-off. It says to set a target above the tyre's current pressure.
### What can it inflate?
The listing identifies compact SUVs, MPVs, saloons, motorcycles, bikes and balls as intended uses. Confirm that the supplied adapters and valve fit your item.
### Is the advertised one-minute inflation time guaranteed?
No. The listing gives an 'Ultrafast 1-min Inflation' claim without specifying tyre size or starting pressure, so it does not establish a general inflation time.

## Alternative options

- [Motorenbau Car Tyre Inflator Air Compressor 12V DC, Digital Car Tyre Pump \| 3X Fast Inflation, 150PSI Auto-Stop Tyre Pump, Digital Pressure Gauge & LED Light, 4 Nozzle Adaptors for Cars, Bikes, Balls](https://bargainpostbox.co.uk/visit/astroai-czk-3631-12v-digital-tyre-inflator)
- [AstroAI Car Tyre Inflator Air Compressor 12V DC, Large Screen, Smart Preset \| Digital 150PSI Tyre Pump with Pressure Gauge, Auto Stop, 21L/min Fast Eletric Pump for Car Motorcycle Bike Tyres](https://bargainpostbox.co.uk/visit/astroai-czk-3631-12v-digital-tyre-inflator)
- [AstroAI Tyre Inflator Air Compressor, Fully Upgraded 12V Corded & Cordless \| 6000mah Battery, 120W Powerful Motor, 4X Faster Digital 150PSI Tyre Pump for Mid SUV MPV Car Motorcycle Bike](https://bargainpostbox.co.uk/visit/astroai-airun-h2-pro-dual-power-tyre-inflator)
- [AstroAI Tyre Inflator Air Compressor 12V DC & 240V Mains \| Dual Motors](https://bargainpostbox.co.uk/visit/astroai-czk-3631-12v-digital-tyre-inflator)
- [toptrek Car Tyre Inflator 12V DC 150 PSI Wired Portable Auto ShutOff \| Air Compressor with Digital LCD Screen and Preset Pressure, Extended Cord Tyre Air Pump for Car/Bike/Motorcycle/Inflatables](https://bargainpostbox.co.uk/visit/astroai-czk-3631-12v-digital-tyre-inflator)
- [HOVVIDA Tyre Inflator Portable Air Compressor, Cordless Car Tyre Inflator 150 PSI \(10.3 Bar\), Fast Inflation, Auto Shut-Off, 5200 mAh, LED, Air Pump for Car, Motorcycle, Bike, Ball](https://bargainpostbox.co.uk/visit/hovvida-am21j2-cordless-tyre-inflator)
- [NOCO Air AL5 17 L/min Cordless Tyre Inflator & Portable Air Compressor \| 0-40 PSI in 7 Min, 130 PSI, Pump with Auto Shut-Off & Digital Gauge, For Bike, Ball, Car & Motorcycle, Tyres up to 31 Inches](https://bargainpostbox.co.uk/visit/astroai-czk-3631-12v-digital-tyre-inflator)
- [NOCO AIR10 36 L/min 12V Portable Tyre Inflator & Air Compressor \| 0-40 PSI in 3.8 Min, 60 PSI, Pump with Auto Shut-Off & Digital Gauge, For Cars, Motorcycles & 4X4s, Tyres up to 31 Inches](https://bargainpostbox.co.uk/visit/astroai-czk-3631-12v-digital-tyre-inflator)
- [Car Tyre Inflator 12V Digital Tyre Pump Air Compressor with Auto Shut-Off \| 150PSI Car Tyre Pump with Pressure Gauge Electric Car Air Pump for Bicycle, Motorbike, Other Inflatables](https://bargainpostbox.co.uk/visit/astroai-czk-3631-12v-digital-tyre-inflator)
- [Scheppach AirForce 7 Tyre Inflator Air Compressor, 12V & 230V Car Tyre Pump \| Hybrid 12V and 230V Car Tyre Inflator, 8 Bar Oil-Free Portable Air .Compressor with Tyre Inflator, Air Blow Gun & 3 Adapters](https://bargainpostbox.co.uk/visit/astroai-czk-3631-12v-digital-tyre-inflator)
- [GROBOE Car Tyre Inflator 12V Tyre Pump Air Compressor with Auto Shut-Off \| 150PSI Car Pump for Tyres with Pressure Gauge Digital Electric Car Air Pump for Bicycle, Motorbike, Other Inflatables](https://bargainpostbox.co.uk/visit/astroai-czk-3631-12v-digital-tyre-inflator)
- [Motuim Cordless Car Tyre Inflator Air Compressor,150PSI Portable Tyre Pump \| Rechargeable Dual Power 6000mAh,Auto Shut-Off Digital Pressure Gauge Electric Air Pump for Car,Motorcycle,Bike,Ball](https://bargainpostbox.co.uk/visit/motuim-cordless-tyre-inflator-150-psi)

## Add-ons

- [AstroAI Tyre Inflator Air Compressor 12V DC, Digital Car Tyre Pump 150PSI \| Precise Control/Preset Pressure/Auto Shutoff, Fas](https://bargainpostbox.co.uk/visit/astroai-czk-3631-12v-digital-tyre-inflator)
- [NOCO Boost GB40 1000A Jump Starter Power Pack - 6.0L Petrol & 3.0L Diesel \| UltraSafe: Spark-Proof & Reverse Polarity Protect](https://bargainpostbox.co.uk/visit/astroai-czk-3631-12v-digital-tyre-inflator)

## Images

![AstroAI CZK-3631 12V DC Digital Tyre Inflator — 1](https://bargainpostbox.co.uk/i/3nAQgWL_hqgKv0l1qy7L8cful7UL8zO1CV14ROxKjNIpcvz-qaYbrF1lsAXPJeKd8WcjCXEwk-9vcZ8ZVIBSLFPNw3Dh7ZI2M-5Q26z8MMryYi1to5MBZJmQ.jpg)

![AstroAI CZK-3631 12V DC Digital Tyre Inflator — 2](https://bargainpostbox.co.uk/i/s3lMftctj6jvP0zchcm5izKjE3s0t5ih4vSsZ9r2yKaIqmpvtm6rqreohV1K-tIuKdjNyT1XkyjCvgeQtMoKxLii7aFZlP2qTKVmk0TtzTbti4ORME6T5RKf.jpg)

![AstroAI CZK-3631 12V DC Digital Tyre Inflator — 3](https://bargainpostbox.co.uk/i/85_itT3JD95i_GbOt30w--oyIo_tvFLx95iICm9-FYjFtL3-jrDRU8k3n03vHkJDO4tZFMouLQokjYSPT2HV8sfDfIhAv7NwE83ktcn0I86H6wlCRDAcoBfw.jpg)

![AstroAI CZK-3631 12V DC Digital Tyre Inflator — 4](https://bargainpostbox.co.uk/i/JkDb3Hz8jv2eajv9iryR-GjnWke0CSp30cQmVX54DKegyAHixRtSXv1I6Oc1wEMhKpyNZdXwajtqXt-dL8-UMyOtb793a_nU6Qo2RYHym8Zg_J34lnsFtaaL.jpg)

![AstroAI CZK-3631 12V DC Digital Tyre Inflator — 5](https://bargainpostbox.co.uk/i/UdQQ2eJ7wPjuzL7S8P4Hrjoo50MU8dSYGjm6zOntQjFeMJhFLLuCLktOgR74c4hx_8u9knhsRqxXh68zcia_L0-bR6XGaoOrBWBDKk5GqxJelg3IDqTV-RoR.jpg)

![AstroAI CZK-3631 12V DC Digital Tyre Inflator — 6](https://bargainpostbox.co.uk/i/EzTgAaHUIuW-09YrhZ4KPwD1TOB_REvsPE2zWUL4oBVCalBgD6MUAQlA6yX0wX-PS-CGZMzxrEA8t3CVupffwhuoH1IsJNcm_8Onv8n6V869OZotBZQS8e3Y.jpg)

![AstroAI CZK-3631 12V DC Digital Tyre Inflator — 7](https://bargainpostbox.co.uk/i/f6CSIKgupi4erz6hzCS_EIXVPYVbPT0OFrTFBwwaCCpyweBTvQh_ctDgCiXCpO0eWiqZ8NCpX0NhnOZCrnHKiSoq-2rWWYfVY9D2EuS6Fp3WzopWoODxKubk.jpg)