1. Introduction
Thank you for choosing the QYQBOON Portable Tire Inflator. This compact and powerful cordless air compressor is designed for fast and efficient inflation of various items, including car, motorcycle, and bicycle tires, as well as sports balls. Featuring a digital pressure gauge, auto shutoff function, and multiple preset modes, it ensures accurate and safe inflation. This manual provides detailed instructions for proper setup, operation, maintenance, and troubleshooting to help you get the most out of your device.

Figure 1.1: QYQBOON Portable Tire Inflator and its versatile applications.
2. Product Features
- Powerful and Fast Inflation: Equipped with a maximum pressure of 150 PSI and 35L/min airflow, enabling 3X faster inflation. Inflates 195/65R15 tires from 29 PSI to 35 PSI in under 2 minutes.
- Long-lasting Cordless Operation: Powered by a built-in 12000mAh rechargeable battery, capable of inflating up to 10 car tires or 30 bicycle tires on a single charge.
- Accurate LCD Display & Auto Shutoff: Features a built-in pressure gauge and LCD screen for real-time tire pressure monitoring. Automatically shuts off when the preset pressure is reached, preventing over-inflation.
- Versatile Inflation Modes: Offers four pressure units (PSI, KPA, BAR, KG/CM²) and four preset inflation modes (bike, motorcycle, car, ball), plus a customizable fifth mode for specific pressure values up to 150 PSI.
- Multi-functional Emergency Tool: Includes a top-mounted flashlight with 3 modes (flashlight, SOS, strobe light) and USB-C/USB input/output ports to function as a power bank for electronic devices.

Figure 2.1: The 8-in-1 multi-functional capabilities of the inflator.
3. Package Contents
Please verify that all items are present and in good condition upon opening the package:
- Tire Inflator (1)
- Connecting Air Hose (1)
- Atmospheric Nozzle (1)
- Small-diameter Mouthpiece (1)
- French Adapter (1)
- Ball Pin (1)
- Type-C Charging Cable (1)
- Storage Bag (1)
- User Manual (1)

Figure 3.1: All components included in the package.
4. Setup
4.1 Initial Charging
Before first use, fully charge the tire inflator. Connect the provided Type-C charging cable to the inflator's USB-C input port and a suitable USB power adapter (not included). The LCD screen will indicate charging status. A full charge ensures optimal performance and battery life.
4.2 Attaching the Air Hose
Screw the connecting air hose securely into the inflation port on the top of the device. Ensure it is tightened to prevent air leakage during operation.
5. Operating Instructions
5.1 Powering On and Mode Selection
- Press and hold the power button for three seconds to turn on the device. The LCD screen will illuminate.
- Press the 'M' button to cycle through the preset inflation modes: Car, Motorcycle, Bike, Ball, and Custom. Select the mode appropriate for your item.
- Use the '+' and '-' buttons to adjust the target pressure value. The device supports PSI, KPA, BAR, and KG/CM². Press the 'M' button briefly to switch between pressure units.

Figure 5.1: Selecting inflation modes and setting target pressure.
5.2 Inflation Process
- Connect the air hose nozzle securely to the valve stem of the item you wish to inflate. For different items, use the appropriate adapter (atmospheric nozzle, small-diameter mouthpiece, French adapter, or ball pin).
- Once connected, the LCD screen will display the current pressure of the item.
- Press the power button briefly to start inflation. The compressor will begin to inflate the item to the preset pressure.
- The device will automatically shut off once the target pressure is reached.
- Carefully disconnect the air hose from the valve stem.

Figure 5.2: Step-by-step guide for connecting and inflating.
5.3 Using the Emergency Features
- Flashlight: With the device powered on, press the flashlight button (usually indicated by a light bulb icon) to cycle through the three light modes: steady flashlight, SOS signal, and strobe light.
- Power Bank: Use the USB output port to charge your mobile phone or other electronic devices. Connect your device's charging cable to the inflator's USB output port.

Figure 5.3: Utilizing the multi-functional emergency features.
6. Maintenance
- Cleaning: Wipe the device with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store the inflator in a cool, dry place, away from direct sunlight and extreme temperatures. Use the provided storage bag to protect it from dust and damage.
- Battery Care: To prolong battery life, charge the device fully at least once every three months, even if not in use. Avoid completely draining the battery before recharging.
- Hose and Nozzle Inspection: Regularly check the air hose and nozzles for any signs of wear, cracks, or blockages. Replace if necessary to ensure efficient operation.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on | Low battery; Power button not held long enough | Charge the device fully; Press and hold the power button for 3 seconds |
| Inflator not inflating | Air hose not securely connected; Target pressure already reached; Hose/nozzle blocked | Ensure hose is tightly screwed; Check current pressure on display; Inspect hose/nozzle for obstructions |
| Inaccurate pressure reading | Loose connection; Sensor issue | Ensure a tight connection to the valve; Contact customer support if issue persists |
| Short battery life | Battery not fully charged; Old battery | Ensure full charge before use; Battery degradation is normal over time, consider replacement if severe |
8. Specifications
| Attribute | Value |
|---|---|
| Model Number | ATJ-005 |
| Brand | QYQBOON |
| Color | Black |
| Material | Acrylonitrile Butadiene Styrene |
| Item Weight | 0.51 Kilograms (1.12 pounds) |
| Power Source | Battery Powered |
| Air Flow Capacity | 35 LPM |
| Maximum Pressure | 150 PSI |
| Voltage | 12 Volts |
| Battery Type | Lithium Ion (2 x 12V included) |
| Sound Level | 60 dB |
| Special Features | LCD Display, 3X Quick Inflation, Portable, Built-In Gauge, Automatic Shut-Off |
| Package Dimensions | 5.83 x 3.62 x 2.83 inches |
| Country of Origin | China |
9. Official Product Videos
Video 9.1: An official product video demonstrating the QYQBOON Portable Tire Inflator in use, highlighting its features and ease of operation.
Video 9.2: A short official product video showcasing the inflator's ability to inflate tires with ease.
10. Warranty and Support
The QYQBOON Portable Tire Inflator comes with a 12-month warranty from the date of purchase, covering manufacturing defects and material flaws under normal use. This warranty does not cover damage caused by misuse, accidents, unauthorized modifications, or improper maintenance.
For any questions, concerns, or technical support regarding your product, please contact our customer service team. Refer to the contact information provided on the product packaging or the official QYQBOON website.




