2022 New Model–Xiaomi Mijia Inflatable Air Pump 1S
Product Details
Product model: MJCQB04QJ(USA version)
Executive standard: QXMQJ0002-2019
Product size: 124x71x45.3mm (bare metal size, excluding trachea)
Inflation pressure range: 02-103bar/3-150ps
Charging: 0℃~45℃
Working temperature Discharge: -10℃~45℃
Storage temperature: -10℃~45℃
Battery capacity: 2000mAh (14.8Wh)
Working noise: The noise is less than 80dB at a distance of 1 meter
Input parameters: 5V-2A
Charging interface: USB Type-C
Charging time: less than 3 hours
Xiaomi Portable Electric Air Compressor 1SFast and precise tire inflationPowerful
Compact
Prevents over-inflation
Internal lithium batteries
Five inflation modes
Type-C portFast inflation, optimum performanceIncreased 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.Inflation performance increase of 45.40%
Xiaomi Portable Electric Air Compressor 1S — re-inflates tires up to 8 times*
Mi Portable Electric Air Compressor — re-inflates tires up to 5.5 times
Air flow rate increase 114%
Xiaomi Portable Electric Air Compressor 1S: 15L/min.
Mi Portable Electric Air Compressor: 7L/min.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.Upgraded chips for expert performanceHighly 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 inflatePreset 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.Multiple uses in different scenariosFive 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.
Manual Mode: Default 35psi
Adjustable Range: 3–150psi/0.2–10.3bar
Bicycle Mode: Default 45psi
Adjustable Range: 30–65psi
Motorcycle Mode: Default 2.4bar
Adjustable Range: 1.8–3.0bar
Car Mode: Default 2.5bar
Adjustable Range: 1.8–3.5bar
Ball Mode: Default 8psi
Adjustable Range: 4–16psiSay 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.Easy-to-carry, attractive designLightweight 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.
USB adapter charging
In-car charging
Power bank chargingExpertly designed to enhance your lifeIn-built light for ease of use
LED light for night-time useSOS 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.Eight rigorous tests* to ensure durability
Overpressure protection testing
Air-hose tensile strength testing
Compression resistance testing
Electrical strength testing
Air hose low-temperature performance testing
High/low temperature charging testing
Free-fall drop testing
Durability testingXiaomi Portable Electric Air Compressor 1S performance data
Inflation pressure*
No. of items inflated when fully charged
Inflation speed
Car tire (205/55 R16): 2.5 bar ≈2 tires ≈11min/tire
Road bike tires (700 x 23C): 120psi ≈8 tires≈2 min 38s/tire
Self-balancing scooter tires (70/65-6.5) :30psi ≈55 tires ≈25s/tire
Size 7 basketball: 9psi ≈44 balls ≈40s/ball
Size 5 volleyball:6psi ≈63 balls ≈28s/ball
Motorbike tire (110/70 R17): 2.4bar ≈7 tires ≈3 min/tire
Electric scooter tires (8 1/2 x 2): 40psi ≈69 tires ≈19 s/tire
Mountain bike tires (27.5 x 1.95): 50psi ≈9 tires ≈2 min 09s/tire
Size 5 Soccer ball: 11psi ≈36 balls ≈43s/ball
*When fully charged, the device can inflate approximately two, 205/55 R16 car tires to 2.5 bar pressure from 0 bar pressure.
*When fully charged, the device can inflate approximately eight, 205/55 R16 car tires to 2.5bar pressure from 2.0 bar pressure. Each tire takes approximately 2 min 38 s to inflate.
*The inflated item is a high-pressure front fork for a mountain bike. Item inflated from 0psi to 150 psi in approximately 20 s.
*The Mi Portable Electric Air Compressor is accurate to ±2 psi; the accuracy of the Xiaomi Portable Electric Air Compressor 1S has been upgraded to ±1 psi.
*The approximate 480 g weight of the Xiaomi Portable Electric Air Compressor 1S refers to the weight of the device itself, excluding Presta valve adapter, needle valve adapter, and storage pouch.
*The Xiaomi Portable Electric Air Compressor 1S does not come with a power adapter as standard. This item must be purchased separately.
*Data for the eight tests courtesy of TÜV SÜD Certification and Testing (USA) Co., Ltd Shenzhen Branch. Test report no.: 68.189.21.0233.01. Testing standard: QXMQJ0002-2019.
*The items in this table were all inflated from 0 bar pressure, with a 10min gap between each set of two inflations.
*Product images are for reference only.
*All data on this page is courtesy of the QiCYCLE lab, unless otherwise specified.
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AliExpress Shopper –
Perfect, to calibrate it’s great relatively fast and not too noisy, it calibrated the tires of my F-150 very well.
A***r –
great quality the best i buy more
AliExpress Shopper –
Received very quicklyTop very well packed great product, I also recommend the seller
S***v –
Everything is super! Arrived charged, safe and sound, works great!
L***s –
Everything perfect.
O***s –
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