Introduction
The AMPBANK AT003 is a versatile portable tire inflator designed for quick and efficient inflation of various items, including car, motorcycle, and bicycle tires, as well as sports balls. Featuring a powerful motor, a 6000 mAh battery, and an LED display, this device offers convenience and precision for maintaining optimal pressure.

The AMPBANK AT003 is designed to be light and compact for easy portability.
Safety Information
- Read all instructions before use.
- Keep out of reach of children.
- Do not operate the inflator in wet conditions or near flammable liquids or gases.
- Do not leave the inflator unattended during operation.
- Avoid over-inflating. Always check the recommended pressure for your item.
- Do not point the air nozzle at people or animals.
- Store the device in a cool, dry place when not in use.
Package Contents
Verify that all items are present in the package:
- 1 x AMPBANK AT003 Portable Tire Inflator
- 1 x Air Hose with Schrader Valve
- 1 x USB-C Charging Cable
- 1 x General Nozzle Cone Adapter
- 1 x Needle Adapter (for balls)
- 1 x Presta Valve Adapter (for bicycles)
- 1 x Storage Bag
- 1 x User Manual

The package includes the AT003 inflator and all necessary accessories for various inflation needs.
Product Features
- Max Pressure: Up to 150 PSI for diverse inflation requirements.
- Fast Inflation: Powerful motor for quick tire inflation.
- Preset Modes: 4 predefined inflation modes (Car, Motorcycle, Bike, Ball) and 3 pressure units (PSI, KPA, BAR).
- High Accuracy: Improved chip for pressure detection accuracy of ±1 PSI.
- Auto Shut-off: Automatically stops when the preset pressure is reached to prevent over-inflation.
- Large Battery: Built-in 6000 mAh rechargeable battery for extended use.
- Power Bank Function: USB-C input and USB-A output ports for charging other devices.
- LED Flashlight: 3 LED lighting modes (Lighting, SOS, Strobe) for use in low-light conditions.

The AT003 supports various inflation modes with specific pressure ranges.
Setup
1. Charging the Device
- Connect the provided USB-C charging cable to the inflator's USB-C input port.
- Connect the other end of the cable to a compatible USB power adapter (not included).
- The LED display will indicate charging status. Charge fully before first use.
2. Attaching the Air Hose
- Screw the air hose securely onto the inflator's air outlet port.
- Select the appropriate nozzle adapter for your item (Schrader for cars/motorcycles, Presta for some bikes, needle for balls, or general cone).
- Attach the selected adapter to the end of the air hose.

Securely attach the air hose to the tire valve using the thumb-press mechanism to prevent air leakage.
Operating Instructions
1. Powering On/Off
Press and hold the power button to turn the device on or off.
2. Selecting Inflation Mode
- Once powered on, press the 'M' button to cycle through the predefined modes: Car, Motorcycle, Bike, and Ball.
- The display will show the selected mode and a default target pressure.
- Press the 'UNIT' button to change the pressure unit (PSI, KPA, BAR).

Easily select the desired inflation mode with a single click.
3. Setting Target Pressure
- After selecting a mode, use the '+' and '-' buttons to adjust the target pressure to your desired value.
- Refer to your vehicle's manual or the item's specifications for recommended pressure.
4. Starting Inflation
- Connect the air hose securely to the item's valve. The display will show the current pressure.
- Press the power button (or inflation button, if separate) to start inflation.
- The inflator will automatically stop once the preset target pressure is reached.

The inflator provides real-time pressure readings and automatically shuts off at the target pressure.
5. Using the LED Light
Press the light button to cycle through the LED light modes: steady light, SOS signal, and strobe light. This is useful for nighttime inflation or as an emergency signal.

The integrated LED flashlight provides illumination for dark environments.
6. Using as a Power Bank
Connect your USB-A compatible device to the inflator's USB-A output port to use it as an emergency power bank.

The AT003 can also serve as a portable power bank for your electronic devices.
Maintenance
- Cleaning: Wipe the device with a soft, dry cloth. Do not use harsh chemicals or immerse in water.
- Storage: Store the inflator and its accessories in the provided storage bag in a cool, dry place, away from direct sunlight and extreme temperatures.
- Battery Care: For optimal battery life, charge the device at least once every three months if not used regularly.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on. | Low battery. | Charge the device fully. |
| No air comes out during inflation. | Air hose not securely attached; Nozzle blocked; Motor issue. | Ensure hose is tightly screwed and adapter is properly connected. Check for obstructions in the nozzle. If problem persists, contact support. |
| Inaccurate pressure reading. | Loose connection; Sensor calibration. | Ensure the hose is securely connected to the valve. If readings are consistently off, contact support. |
| Device stops prematurely. | Target pressure reached; Low battery; Overheating. | Check if target pressure is met. Recharge battery. Allow device to cool down if it feels hot. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | AT003 |
| Brand | AMPBANK |
| Max Operating Pressure | 150 PSI (10.3 BAR / 1030 KPA) |
| Battery Capacity | 6000 mAh Lithium-ion |
| Voltage | 12 Volts |
| Noise Level | 40 Decibels |
| Dimensions (L x W x H) | 10.7 x 9.6 x 19.5 cm (4.2 x 3.8 x 7.7 inches) |
| Weight | 860 grams (1.9 lbs) |
| Charging Port | USB-C |
| Output Port | USB-A (for power bank function) |
Warranty and Support
AMPBANK products are designed for reliability and performance. For any questions, concerns, or warranty claims, please refer to the contact information provided with your purchase or visit the official AMPBANK website for support. Please retain your proof of purchase for warranty service.