Thmomex Portable Air Compressor Tire Inflator, 20000mAh, 180 PSI, Dual-Cylinder
Product description
For drivers and riders who want one portable inflator for cars, motorcycles, bicycles, and sports balls, the Thmomex combines a rechargeable battery with a dual-cylinder motor. The listing also names heavy-duty vehicles such as trucks, SUVs, and pickups as intended uses.
Its 20000mAh battery is presented as a way to inflate tires without relying on a car outlet for every use. A digital display shows current and preset pressure, and automatic shut-off stops inflation at the selected target.

The choice is between a compact cordless setup for different vehicles and a simpler pump with fewer functions. Thmomex adds preset modes, an emergency light, and power-bank capability, those extras matter most when you want several roadside tasks handled by one device.
Everyday use



Select a preset for a car, motorcycle, bicycle, or sports ball, or use the customizable mode to set a target pressure. The screen shows both the current and selected pressure, so you can follow the reading as the pump runs. Automatic shut-off is useful when you want the inflator to stop at the target rather than requiring you to watch it continuously.
The manufacturer lists a maximum pressure of 180 PSI and an airflow rate of 39L/min. It also states that inflation from flat to 36 PSI takes about five minutes. Actual use will depend on the tire and conditions, so treat that figure as a stated estimate, not a guarantee for every vehicle. For an everyday example, it could be kept in a vehicle for topping up a tire or bringing a bicycle tire to its chosen pressure, the presets also make it relevant for inflating a sports ball.

It’s a great fit if you want a cordless inflator that can serve several types of tires and includes useful roadside extras. Compared with a basic single-cylinder pump, its dual-cylinder design and added functions are the distinguishing points, if you only need occasional inflation and do not value those extras, a simpler pump may be enough.
What you’ll notice day to day



The 20000mAh battery is rated by the manufacturer for up to 20 tires inflated from 30 to 36 PSI, or four fully flat tires inflated from 0 PSI. Those are stated capacity examples, not a promise that every tire will produce the same result. When the battery is depleted, the listing says the unit can also be powered through a car’s 12V outlet.
USB-C 30W ports are specified for charging, with a stated recharge time of about two hours. The built-in emergency light has three modes for nighttime use or roadside assistance. The inflator can also act as a power bank for a phone, tablet, or laptop, adding a second use beyond tire inflation. If you prioritize a lightweight, single-purpose pump, note that the listed item weight is 3.12 pounds and that this model includes several functions beyond inflation.

Product specs
- Type: Cordless portable air compressor and tire inflator
- Motor: Dual-cylinder
- Maximum pressure: 180 PSI
- Airflow: 39L/min
- Battery capacity: 20000mAh
- Charging: USB-C, 30W, stated recharge time of about two hours
- Power options: Rechargeable battery or car 12V outlet
- Modes: Car, motorcycle, bicycle, sports ball, and customizable
- Special feature: Automatic shut-off
- Item weight: 3.12 pounds
- Package dimensions: 9.84 x 5.16 x 4.17 inches



Practical questions
What can it inflate? The listed uses include car, motorcycle, bicycle, and sports-ball tires, as well as heavy-duty vehicles such as trucks, SUVs, and pickups.
Can it stop at a selected pressure? Yes. The display shows current and preset pressure, and the automatic shut-off is intended to stop inflation at the selected target.
Can it be used when its battery runs out? The product information says it can run from a car’s 12V outlet. It also lists a 20000mAh battery and USB-C 30W charging.
Should you buy it?
Choose the Thmomex if you want one rechargeable inflator for different tire types and expect to use features such as preset modes, automatic shut-off, a light, or power-bank functionality. Its stated battery capacity and car-outlet option offer two ways to power it, while the dual-cylinder design is aimed at more than occasional bicycle or ball inflation. If your buying decision depends on a particular vehicle’s required pressure or repeated heavy-duty use, compare those needs with the inflator’s 180 PSI maximum and the manufacturer’s stated battery examples before deciding.
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