1. Introduction
Thank you for choosing the Generic Portable Tire Inflator. This smart air compressor pump is designed for convenient and efficient inflation of various tires and inflatable items. Featuring a digital display for precise pressure readings and automatic shut-off, it ensures optimal performance and safety. Please read this manual thoroughly before use to ensure proper operation and maintenance.

Image 1: The portable tire inflator, highlighting its compact design and wireless operation, shown next to a vehicle.
2. Safety Information
- Always read and understand all instructions before operating the device.
- Keep the device away from children and pets.
- Do not operate the inflator in wet conditions or near flammable liquids or gases.
- Ensure the correct pressure setting for the item being inflated to prevent over-inflation, which can cause damage or injury.
- Do not leave the inflator unattended while in operation.
- If the device emits unusual noises, smells, or smoke, discontinue use immediately and contact support.
- Use only the provided charging cable and accessories.
3. Package Contents
Verify that all items are present in the package:
- Portable Tire Inflator Unit
- Inflating Hose
- Independent Air Nozzle Set (3 pieces)
- Type-C Charging Cable
- User Manual (this document)

Image 2: Contents of the package, including the main inflator unit, inflating hose, various nozzles, and a USB-C charging cable.
4. Product Overview
The Generic Portable Tire Inflator features a compact design with an intuitive digital display and control buttons for easy operation.

Image 3: Front view of the inflator, showing the digital display and control panel with buttons for power, mode, and pressure adjustment.
Control Panel Functions:
- Digital Display: Shows real-time pressure, target pressure, and battery level.
- Power Button (⏻): Press and hold to turn on/off. Press briefly to start/stop inflation.
- Mode Button (★): Cycles through preset inflation modes (e.g., car, motorcycle, bicycle, ball) and pressure units (PSI, BAR).
- '+' Button: Increases target pressure.
- '-' Button: Decreases target pressure.
- Light Button (💡): Activates the LED light.
5. Setup
5.1 Charging the Device
- Connect the Type-C charging cable to the charging port on the inflator.
- Connect the other end of the cable to a suitable USB power adapter (not included) or a USB port.
- The digital display will indicate the charging status. Charge the device fully before first use.
5.2 Attaching the Hose and Nozzle
- Screw the inflating hose securely onto the air outlet port of the inflator.
- Select the appropriate nozzle for the item you wish to inflate.
- Screw or firmly attach the selected nozzle to the other end of the inflating hose.
6. Operating Instructions
6.1 Power On/Off
- To power on, press and hold the Power Button (⏻) for 3 seconds. The digital display will light up.
- To power off, press and hold the Power Button (⏻) for 3 seconds. The device will also automatically power off after a period of inactivity.
6.2 Setting Pressure Units and Target Pressure
- After powering on, press the Mode Button (★) to cycle through available pressure units (e.g., PSI, BAR). Select your desired unit.
- Press the Mode Button (★) again to cycle through preset inflation modes (e.g., car, motorcycle, bicycle, ball). Each mode may have a default target pressure.
- Use the '+' and '-' buttons to adjust the target pressure to your desired value. The display will show the target pressure blinking.
6.3 Starting and Stopping Inflation
- Connect the nozzle firmly to the valve of the item you wish to inflate. The digital display will show the current pressure.
- Ensure the target pressure is set correctly.
- Press the Power Button (⏻) briefly to start inflation. The pump will begin operating, and the display will show the real-time pressure increasing.
- The inflator will automatically stop when the target pressure is reached.
- To manually stop inflation at any time, press the Power Button (⏻) briefly.
- Carefully disconnect the nozzle from the valve.
7. Lighting Function
The inflator is equipped with an LED light for use in low-light conditions or as an emergency signal.

Image 4: The inflator's LED light illuminating a tire, demonstrating its utility as a work light and emergency signal.
- Press the Light Button (💡) once to turn on the steady LED work light.
- Press the Light Button (💡) a second time to activate the flashing warning light (red).
- Press the Light Button (💡) a third time to activate the flashing rescue light (SOS pattern).
- Press the Light Button (💡) a fourth time to turn off the light.
8. Broad Use and Applications
This portable tire inflator is versatile and suitable for a wide range of inflatable items.

Image 5: Visual guide illustrating the inflator's compatibility with car tires, motorcycle tires, bicycle tires, and sports balls, along with recommended default pressures.
- Car/Commercial Vehicle Tires: Default pressure typically 2.2-2.8 bar.
- Motorcycle/Electric Vehicle Tires: Default pressure typically 1.8-2.8 bar.
- Bicycle Tires: Default pressure typically 30-90 psi.
- Balls (e.g., basketballs, footballs): Default pressure typically 7-9 psi.
- Swimming Rings/Inflatable Beds/Boats: Requires specific nozzles, default pressure typically 1-150 psi (swimming ring) or 1-2.5 psi (inflatable bed/boat).
Always refer to the manufacturer's recommended pressure for the specific item you are inflating.
9. Maintenance
9.1 Cleaning
- Wipe the exterior of the inflator with a soft, damp cloth.
- Do not use harsh chemicals or abrasive cleaners.
- Ensure the device is completely dry before storage or next use.
9.2 Storage
- Store the inflator and its accessories in a cool, dry place, away from direct sunlight and extreme temperatures.
- Keep the device fully charged if storing for extended periods to prolong battery life.
- Ensure the hose and nozzles are clean and free of debris before storage.
10. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on. | Low battery or device is off. | Charge the device. Press and hold the power button for 3 seconds. |
| Inflator not pumping air. | Hose or nozzle not securely attached; target pressure not set; valve not properly connected. | Ensure all connections are tight. Set a target pressure. Check valve connection. |
| Inaccurate pressure reading. | Poor connection to valve; sensor issue. | Ensure the nozzle is fully and correctly attached to the valve. If problem persists, contact support. |
| Device stops unexpectedly. | Target pressure reached; low battery; overheating. | Check target pressure. Recharge battery. Allow device to cool down if it feels hot. |
11. Specifications
- Model: WU065UQ5GAF51K8WKGK0
- Input Voltage: 7.4V (Wireless B Wireless 7.4v variant)
- Material: ABS
- Item Weight: Approximately 599 g (1.32 lbs)
- Parcel Dimensions: 18.8 x 9.2 x 9.2 cm
- Country of Origin: China
- Battery: 2*18650 batteries (for wireless version)
12. Warranty and Support
This product comes with a standard manufacturer's warranty. For specific warranty details, please refer to the product packaging or contact your retailer.
For technical support, troubleshooting assistance, or inquiries regarding your product, please contact the seller or manufacturer through the platform where the purchase was made.
Please have your model number (WU065UQ5GAF51K8WKGK0) and purchase information ready when contacting support.