1. Introduction
This manual provides comprehensive instructions for the safe and efficient operation of your Syncwire Portable Air Compressor. This device is designed for inflating various items such as car tires, motorcycle tires, bicycle tires, and sports balls, featuring a maximum pressure of 150 PSI, an extra-large LCD display, and an automatic shut-off function.
Please read this manual thoroughly before first use and retain it for future reference.
2. Package Contents
Verify that all items listed below are present in your package:
- 1x Portable Car Tire Inflator Air Pump
- 1x USB-C Charge Cable
- 1x Storage Bag
- 1x Air Hose
- 4x Car Tire Valve Caps (Aluminum Alloy)
- 4x Different Nozzle Adapters (Ball Needle, Bicycle Valve Nozzle, Air Pillow Nozzle, Swimming Ring Nozzle)


3. Product Overview
The Syncwire Portable Air Compressor is a compact and efficient device designed for convenient inflation. It features a robust motor capable of reaching 150 PSI, ensuring rapid inflation. The device is equipped with an extra-large LCD display for clear pressure readings and intuitive controls.

Key Features:
- High Pressure Output: Up to 150 PSI for various inflation needs.
- Fast Inflation: Designed for quick inflation of tires and other items.
- Extra-Large LCD Display: Provides clear, dual pressure readings (real-time and preset target) for easy monitoring in all lighting conditions.
- Automatic Shut-Off: Stops inflation automatically once the preset pressure is reached.
- Multiple Inflation Modes: Pre-set modes for cars, motorcycles, bikes, and balls, plus a customizable mode.
- Portable Design: Compact size for easy carrying and storage.
- 5200mAh Battery: Reliable battery capacity for multiple uses on a single charge.
- Built-in Flashlight: For illumination during night-time use or emergencies.
- Power Bank Function: Can be used to charge other devices via USB.



4. Safety Information
To ensure safe operation and prevent damage to the device or injury, please observe the following safety precautions:
- Do not leave the inflator unattended while in operation.
- Keep out of reach of children.
- Do not operate in wet conditions or expose to rain.
- Avoid prolonged continuous operation to prevent overheating. Allow the device to cool down if it becomes hot.
- Ensure the correct pressure is set for the item being inflated to avoid over-inflation and potential bursting. Refer to the item's manufacturer recommendations.
- Do not use the device if it is damaged or malfunctioning.
- Store in a cool, dry place when not in use.
5. Setup
5.1 Charging the Device
Before first use, fully charge the portable air compressor. Connect the provided USB-C charge cable to the charging port on the device and plug the other end into a suitable USB power adapter (not included).
- The battery indicator on the LCD screen will show charging status.
- A full charge typically takes several hours.
5.2 Attaching the Air Hose
Screw the air hose securely onto the air outlet port of the compressor. Ensure it is tightened to prevent air leakage.
6. Operating Instructions
6.1 Powering On/Off
- Press and hold the power button (U) to turn the device on or off.
6.2 Selecting Inflation Mode
The device offers 5 inflation modes: Car, Motorcycle, Bike, Ball, and a customizable mode. Press the mode button (often represented by a cycle icon or 'M') to cycle through the available modes. Each mode has a default preset pressure range.

6.3 Setting Pressure Units
Press the unit button (often represented by a 'U' or 'PSI/BAR') to switch between PSI, KPA, BAR, and KG/CM².
6.4 Adjusting Preset Pressure
- After selecting a mode, use the '+' and '-' buttons to adjust the target pressure.
- Long press the '+' or '-' button for quick adjustment.
- The top value on the LCD shows real-time pressure, while the bottom value shows the preset target pressure.
6.5 Starting and Stopping Inflation
- Connect the air hose to the valve of the item you wish to inflate. Ensure a secure connection.
- Press the power button (U) to start inflation.
- The compressor will automatically stop once the preset pressure is reached.
- To manually stop inflation, press the power button again.

6.6 Using the Flashlight
- Press the flashlight button (often represented by a sun or lightbulb icon) to turn the LED light on or off.
- This feature is useful for operating in low-light conditions or as an emergency light.

7. Inflation Modes and Recommended Pressures
The Syncwire Portable Air Compressor features several pre-set modes for common inflation tasks. These modes provide default pressure ranges, which can be adjusted as needed.
| Mode | Recommended Pressure Range (PSI) | Typical Use |
|---|---|---|
| Car | 26-50 PSI | Automobile tires |
| Motorcycle | 26-43 PSI | Motorcycle tires |
| Bike | 30-145 PSI | Bicycle tires (road, mountain, etc.) |
| Ball | 4-16 PSI | Sports balls (basketballs, footballs, etc.) |
| Custom | User-defined (up to 150 PSI) | Inflatable toys, air pillows, snow tubes, etc. |
Note: Always refer to the specific pressure recommendations provided by the manufacturer of the item you are inflating.
8. Maintenance
8.1 Cleaning
- Wipe the exterior of the compressor with a soft, damp cloth.
- Do not use harsh chemicals or abrasive cleaners.
- Ensure the device is completely dry before storage or next use.
8.2 Storage
- Store the compressor and all accessories in the provided storage bag.
- Keep in a cool, dry place away from direct sunlight and extreme temperatures.
- For long-term storage, charge the device every 3-6 months to maintain battery health.
9. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on | Low battery; Device malfunction | Charge the device fully; Contact customer support if issue persists. |
| Slow inflation or no air output | Air hose not securely connected; Blocked nozzle; Low battery | Ensure hose is tightly screwed; Check nozzle for obstructions; Charge the device. |
| Inaccurate pressure reading | Improper connection to valve; Sensor issue | Ensure the hose is firmly attached to the valve; Contact customer support. |
| Device overheats and shuts off | Prolonged continuous use | Allow the device to cool down for at least 15-20 minutes before resuming use. |
10. Specifications
| Feature | Detail |
|---|---|
| Brand | SYNCWIRE |
| Model Name | SW2003 |
| Recommended Uses | Tire Inflation |
| Power Source | Battery Powered |
| Special Features | Automatic Shut-Off, Cordless, Portable, Pressure Detection, Quick Inflation |
| Maximum Operating Pressure | 150 PSI (Pound per Square Inch) |
| Air Flow Capacity | 18 LPM |
| Item Weight | 0.65 Kilograms |
| Color | Silver |
| Material | Durable, Reliable |
| Package Dimensions (L x W x H) | 5.75 x 3.43 x 3.31 inches |
11. Warranty and Support
Syncwire provides a 36-month warranty for this product. This warranty covers manufacturing defects and ensures reliable performance under normal use conditions.
For any questions, technical assistance, or warranty claims, please contact Syncwire customer service. Our team is committed to providing fast and friendly support within 24 hours.
Please refer to the contact information provided on the product packaging or the official Syncwire website for the most up-to-date support channels.



