Mijia Portable Electric Air Compressor 2D | Cordless Tire Inflator for Car, Bike, Scooter

The Mijia Portable Electric Air Compressor 2D is a powerful and compact cordless tire inflator designed for fast and accurate inflation. It is the second-generation model with improved performance, featuring a high-power motor, digital tire pressure detection, and six preset modes for cars, bicycles, motorcycles, electric scooters, and balls. With a built-in rechargeable battery, this portable air pump lets you inflate tires anywhere without needing a power outlet.

This portable air compressor delivers a significant upgrade in speed and convenience. It uses a high-precision alloy die-cast cylinder to reach up to 150 psi, making it suitable for high-pressure bicycle tires as well as standard car tires. The digital chip sensor provides real-time tire pressure readings with accuracy up to ±1 psi, so you always know exactly when your tires are at the correct pressure.

Setting the desired pressure is simple with the one-button preset modes. The compressor automatically stops once the preset pressure is reached, so you do not have to watch over it. The newly added quick-connect air valve adapter makes attaching the hose fast and clean, while the built-in LED light offers better visibility for nighttime use. The device weighs about 490 g, making it easy to carry in a backpack or store in your car.

The Mijia Inflatable Treasure 2D is built for daily use and emergencies. Its 2000mAh lithium-ion battery can reinflate up to ten car tires on a single charge when topping them off. The pass-through air duct design helps with heat dissipation during continuous operation. All accessories store neatly inside the included pouch, keeping everything organized and ready to go.

Key Features and Benefits

- High-power magnetic motor that delivers approximately 25% faster inflation than the previous generation, saving you time on every tire.

• Digital tire pressure sensor with ±1 psi accuracy that shows real-time pressure on the display, so you never over-inflate or under-inflate.

• Six preset inflation modes (Manual, Bicycle, Motorcycle, Car, Electric Scooter, Ball) that set the correct pressure range automatically for different items.

• Auto-stop function that shuts off inflation when the preset pressure is reached, allowing you to walk away while it works.

• Quick-connect air valve adapter that attaches easily without dirtying your hands, making every inflation session cleaner and faster.

• Built-in 2000mAh rechargeable battery that provides cordless operation and can reinflate up to ten car tires from 2.0 bar to 2.5 bar on a full charge.

• Compact and lightweight design at approximately 490 g, easy to store in a glove compartment, backpack, or home drawer.

• Built-in LED light with improved brightness for safe inflation in low-light or nighttime conditions.

Who Is This For

- Car owners who want a reliable portable inflator for topping off tires at home or during road trips.

• Cyclists and mountain bikers who need a compact pump that can reach high pressures up to 150 psi for road bike tires.

• Electric scooter and motorcycle riders looking for a cordless pump with a dedicated mode for their specific tire pressure range.

• Anyone who plays sports and needs to inflate basketballs, soccer balls, or volleyballs quickly to the right pressure.

Usage Scenario

It was a Friday evening and Mark noticed his car's tire pressure warning light was on. He pulled out his Mijia Portable Electric Air Compressor 2D from the trunk, selected Car mode with a single button press, and attached the quick-connect valve. The pump started inflating and automatically stopped when the pressure reached the preset 2.5 bar. In just a few minutes, the warning light turned off and he was back on the road without needing to visit a gas station.

Micro Comparison

Compared to older portable inflators or manual pumps, the Mijia 2D offers a much faster inflation speed thanks to its redesigned high-power motor. It also provides greater accuracy with its digital chip sensor, which reads pressure to within ±1 psi. The six preset modes and auto-stop feature make it more convenient than basic inflators that require constant monitoring and manual shut-off.

Specifications

Model: MJCQB07QWS

Item Type: PUMPS

Voltage: 5V/2A

Item Weight: 490 g (device only, excluding accessories)

Maximum Pressure: 150 psi

Battery: Built-in 2000mAh lithium-ion battery

Tire Pressure Detection Accuracy: ±1 psi

Inflation Speed: Approximately 25% faster than previous generation

Manual Mode Pressure Range: 3–150 psi / 0.2–10.3 bar

Bicycle Mode: 45 psi default, adjustable 30–65 psi

Motorcycle Mode: 2.4 bar default, adjustable 1.8–3.0 bar

Car Mode: 2.5 bar default, adjustable 1.8–3.5 bar

Electric Scooter Mode: 50 psi default, adjustable 45–60 psi

Ball Mode: 8 psi default, adjustable 4–16 psi

Package Includes

Mijia Portable Electric Air Compressor 2D x 1

Gas needle x 1

American air nozzle interface (Φ6.9 mm) x 1

French air nozzle conversion head (Φ6 mm) x 1

Fast air nozzle conversion head (Φ6.9 mm) x 1

Storage bag x 1

Manual (Chinese) x 1

Why You Will Love It

You will love the freedom of inflating your tires anywhere without searching for a power outlet or waiting at a gas station. The auto-stop feature gives you peace of mind, knowing you will never over-inflate. Its compact size and included storage bag make it a travel companion you can always keep in your car or backpack.

Questions and Answers

Question: How long does it take to inflate a car tire from empty?

Answer: At 25°C, it takes approximately 8 minutes to inflate a 205/55 R16 car tire from 0 bar to 2.5 bar.

Question: Does this air compressor come with a charging cable?

Answer: No, the product does not include a charging cable or power adapter. You will need to provide your own USB cable and 5V/2A adapter.

Question: Can I use this pump for my road bike tires?

Answer: Yes, it supports up to 150 psi and fills a 700c road bike tire from 0 psi to 120 psi in about 86 seconds.

Question: How do I know when the battery is low?

Answer: The device has a four-grid battery level display that shows the remaining charge accurately.

Question: Is the air hose easy to attach and detach?

Answer: Yes, the new quick-connect air valve adapter lets you install the hose easily without getting your hands dirty.

Question: What happens if I do not use the pump for a long time?

Answer: You should charge it every 2 months. If left uncharged for more than 2 months, the battery may become unusable and this is not covered by warranty.

Question: Can I use this pump to inflate a basketball?

Answer: Yes, select Ball mode which defaults to 8 psi and is adjustable between 4 and 16 psi.