In the Box

  • Xiaomi Portable Electric Air Compressor 1S 
  • Presta Valve Adapter 
  • Needle Valve Adapter 
  • Storage Pouch 
  • User Manual 
  • Charging Cable 

Increased speed and air volume, to get you back on the road faster

Fully inflate 2 car tires or top up car tires 8 times, thanks to enhancements that deliver 45.4% higher inflation performance on a full charge.

High-precision cylinder block supports pressures up to 150 psi

The high-precision die-cast cylinder block made from alloy materials inflates from 0 psi to 150 psi in just 20 seconds, making it suitable for use with shock absorbers on mountain bikes, as well as high-pressure tires on road bikes. Ready to ride with you.

Highly accurate air pressure sensors means no more fiddling with manual pumps

Digitally controlled air-pressure sensors improve inflation accuracy to ±1 psi, putting an end to back-and-forth tire pressure checking as you inflate.

Preset tire pressures, for greater ease and peace of mind

The Xiaomi Portable Electric Air Compressor 1S automatically stops inflating your tires when your desired pre-set pressure is reached.It also remembers your pressure values, so you don’t have to set up repeatedly.

Five different modes that anyone can use

Five different inflation modes—each with preset air pressure values—prevents over-inflation and delivers peace of mind. This makes the Xiaomi Portable Electric Air Compressor 1S easy for anyone to use.

1.Manual Mode

  • Default – 35psi
  • Adjustable Range – 3–150psi/0.2–10.3bar

2.Bicycle Mode

  • Default – 45psi
  • Adjustable Range – 30–65psi

3.Motorcycle Mode 

  • Default – 2.4bar
  • Adjustable Range – 1.8–3.0bar

4.Car Mode

  • Default – 2.5bar
  • Adjustable Range – 1.8–3.5bar

5.Ball Mode

  • Default – 8psi
  • Adjustable Range – 4–16psi

Say goodbye to wires, thanks to internal lithium batteries

Lithium batteries mean no external power source is required, and no more cumbersome power cables are needed.

Lightweight body for greater portability

Weighing only 480g, the compact design makes it ideal for when you’re travelling light.Slip it in your bag, leave it at home, or place it in your car — this beautiful device takes up no space at all, no matter where it’s stored.

Type-C universal interface, for peace of mind on the go

Upgraded charging with a Type-C port, for worry-free trips around the world.

In-built light for ease of use

LED light for night-time use

SOS flashing feature, should the unexpected happen

Separated internal compartments for increased safety

The device features separate compartments for the mechanical and battery systems, to deliver optimum heat dissipation.

Air hose on/off switch to prevent accidental use

Prevents accidental power-on due to vibration.

Inflate from multiple angles

The flexible hose means you can still inflate your tires, no matter where the tire valve is.

Multiple accessories to meet your every need

Comes with a storage bag, Needle Valve Adapter, and Presta Valve Adapter for all eventualities.


  • Model – MJCQB05QJ
  • Standards implemented – QXMQJ0002-2019
  • Dimensions – 124 x 71 x 45.3 mm (Air compressor, excluding air hose)
  • Inflation pressure range – 0.2–10.3 bar/3–150 psi
  • Operating temperature
  1. Charging – 0℃—45℃
  2. Discharging – -10℃—45℃
  • Storage temperature – -10℃ to 45℃
  • Battery capacity – 14.8 Wh
  • Noise value during operation – <80 dB at 1 m distance
  • Input parameters – 5V ⎓ 2A
  • Charging port – Type-C
  • Charging time – <3 hrs