1. Introduction
Thank you for choosing the AMPBANK AT003 Portable Tire Inflator. This device is designed for quick and efficient inflation of various items, including car, motorcycle, and bicycle tires, as well as sports balls and other inflatables. Featuring a powerful 6000mAh battery, precise pressure monitoring, and an automatic shut-off function, the AT003 ensures safe and convenient inflation. Please read this manual thoroughly before use to ensure proper operation and maintenance.
2. Product Overview & Key Features

The AMPBANK AT003 Portable Tire Inflator, shown with its flexible air hose and various inflation adapters.

An overview of the AT003's key features, including fast inflation, 6000mAh battery, 150PSI max pressure, auto shut-off, 4 preset modes, and LED light.
- Super Fast Inflation: Equipped with a powerful motor, capable of inflating tires up to 150 PSI in minutes.
- One-Click Preset Modes: Features 4 preset inflation modes (Car, Motorcycle, Bike, Ball) and 3 pressure units (PSI, KPA, BAR) for convenience.
- High Accuracy & Auto Shut-Off: Upgraded high-precision chip ensures ±1PSI accuracy. Automatically stops inflation once the preset pressure is reached, preventing overinflation.
- Powerful 6000mAh Battery: Built-in rechargeable battery allows for continuous operation for up to 30 minutes, capable of filling up to 4 flat car tires on a single charge.
- Multifunctional Design: Includes a USB-C input and USB-A output port, allowing it to function as an emergency power bank for other USB devices.
- Integrated LED Light: Features a 3-mode LED light (Lighting, SOS, Strobe) for visibility and convenience in low-light conditions.
- Compact & Portable: Lightweight design (approximately 1.4 pounds) with dimensions of 10.2"L x 5.51"W x 3.97"H, making it easy to store and carry.
3. What's Included

The AMPBANK AT003 Portable Tire Inflator package includes:
- 1 x AT003 Car Tire Inflator
- 1 x Air Hose with Schrader attached
- 1 x USB-C Charging Cable
- 1 x Storage Bag
- 1 x User Manual
- 1 x Presta Valve Adaptor
- 1 x General Nozzle Adaptor
- 1 x Ball Needle Adapter
4. Setup
4.1 Initial Charging
Before first use, fully charge the AT003 using the provided USB-C charging cable. Connect the USB-C end to the inflator's charging port and the USB-A end to a compatible USB power adapter (not included). The LED display will indicate charging status.
4.2 Attaching the Air Hose
Screw the flexible air hose securely into the inflation port on the top of the AT003. Ensure it is tightened to prevent air leakage during operation.

The image demonstrates the easy thumb-press operation for attaching the air hose to the tire valve, ensuring no air leakage.
4.3 Selecting the Correct Nozzle
Choose the appropriate adapter for the item you wish to inflate:
- Schrader Valve: Pre-attached to the air hose, suitable for car, motorcycle, and some bicycle tires.
- Presta Valve Adaptor: For Presta bicycle valves.
- Ball Needle Adapter: For sports balls.
- General Nozzle Adaptor: For inflatable toys and other items.
Attach the selected adapter to the Schrader valve on the air hose if needed.
5. Operating Instructions
5.1 Powering On and Connecting
- Press and hold the power button to turn on the inflator. The LCD screen will illuminate.
- Remove the valve cap from the item you wish to inflate.
- Connect the air hose (with the correct adapter) securely to the item's valve. Once connected, the display will show the current pressure of the item.

The image illustrates the three simple steps: remove valve cap and connect, press 'M' to choose mode, and press power to start inflation.
5.2 Selecting Mode and Setting Pressure
- Press the 'M' button to cycle through the preset inflation modes: Car, Motorcycle, Bike, and Ball. Each mode has a default pressure range.
- To change the pressure unit (PSI, KPA, BAR), press and hold the 'M' button.
- Use the '+' and '-' buttons to adjust the target pressure to your desired level. The display shows both the real-time pressure and the set target pressure.

The display shows the four preset inflation modes: Car, Motorcycle, Bike, and Ball, along with their typical pressure ranges.

The inflator's screen displays both the real-time pressure and the user-set target pressure for accurate inflation.
5.3 Starting and Stopping Inflation
- Once the desired pressure is set, press the power button to begin inflation. The pump will start operating.
- The inflator will automatically shut off when the target pressure is reached.
- To manually stop inflation at any time, press the power button again.
5.4 Using as a Power Bank
The AT003 can also serve as an emergency power bank. Connect your USB-A charging cable to the USB-A output port on the inflator to charge compatible devices like smartphones.
5.5 Using the LED Light
Press the light button (usually located near the charging ports) to cycle through the LED light modes: steady light, SOS signal, and strobe light. This is useful for nighttime use or emergencies.
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.
- Battery Care: To prolong battery life, charge the device at least once every three months, even if not in use. Avoid fully depleting the battery for extended periods.
- Hose & Adapters: Ensure the air hose and adapters are clean and free of debris before and after each use. Check for any signs of wear or damage.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Inflator does not turn on | Low battery; Power button not pressed correctly | Charge the device fully; Press and hold the power button for 3 seconds |
| Slow inflation or no inflation | Air hose not securely connected; Incorrect nozzle; Leak in hose/valve | Ensure all connections are tight; Use correct adapter; Check hose/valve for damage |
| Inaccurate pressure reading | Sensor obstruction; Device not calibrated | Ensure no debris in valve; Contact customer support if issue persists |
| Automatic shut-off not working | Target pressure not set; Malfunction | Set a target pressure; Contact customer support |
If you encounter any issues not listed here or if the problem persists after attempting the solutions, please contact AMPBANK customer support for assistance.
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | AT003 |
| Brand | AMPBANK |
| Color | Black |
| Material | Carbon Steel |
| Item Weight | 1.4 Pounds |
| Product Dimensions | 10.2"L x 5.51"W x 3.97"H |
| Power Source | Battery Powered |
| Battery Capacity | 6000mAh |
| Air Flow Capacity | 24 LPM |
| Maximum Pressure | 150 PSI |
| UPC | 850050886914 |
9. Warranty and Support
The AMPBANK AT003 Portable Tire Inflator comes with a 1-year warranty from the date of purchase. This warranty covers manufacturing defects and workmanship under normal use.
For warranty claims, technical support, or any questions regarding your product, please contact AMPBANK customer service through the retailer's platform or visit the official AMPBANK website for contact information.
Please retain your proof of purchase for warranty validation.





