1. Introduction
Thank you for choosing the Cimesen ATAA-1 Portable Tire Inflator. This device is designed for convenient and efficient inflation of various items, including car tires, bicycle tires, motorcycle tires, and sports balls. It features a cordless design, automatic shut-off, and multiple inflation modes for ease of use. Please read this manual thoroughly before operation to ensure safe and proper use.

Image 1.1: The Cimesen ATAA-1 Portable Tire Inflator and its included accessories, such as the air hose, USB charging cable, and various nozzles.
2. Safety Information
To prevent injury or damage to the device, observe the following safety precautions:
- Ensure the device is fully charged before initial use.
- Allow a 15-minute cooling period after every 10 minutes of continuous operation to prevent overheating.
- Do not leave the inflator unattended during operation.
- Keep out of reach of children.
- Do not expose the device to extreme temperatures or direct sunlight.
- Use only the provided accessories and charging cables.
3. Product Components
The Cimesen ATAA-1 Portable Tire Inflator includes the following:
- Cimesen ATAA-1 Portable Air Compressor Unit
- Flexible Air Hose
- USB Charging Cable
- Various Nozzles (for bicycle, ball, etc.)

Image 3.1: The main unit of the Cimesen ATAA-1 inflator shown with its included accessories, highlighting the different adapters for various inflation needs.
4. Setup
4.1 Charging the Device
Before first use, fully charge the inflator. Connect the provided USB charging cable to the device's input port and a suitable USB power adapter. The battery indicator on the digital display will show charging status.

Image 4.1: The Cimesen ATAA-1 inflator connected to a USB power source for charging, demonstrating its power bank functionality for other devices.
4.2 Attaching the Air Hose and Nozzle
- Screw the flexible air hose securely onto the inflator's air outlet.
- Select the appropriate nozzle for the item you wish to inflate (e.g., Presta valve adapter for bicycles, needle for balls).
- Attach the selected nozzle to the free end of the air hose.
5. Operating Instructions
5.1 Powering On and Display Overview
Press and hold the power button to turn on the device and activate the LCD screen. The display shows real-time tire pressure and setting values. It supports 4 pressure measurement units: PSI, KPA, BAR, and KG/CM².

Image 5.1: A detailed view of the inflator's dual digital display, indicating both the current and target pressure settings, along with unit selection.
5.2 Selecting Inflation Mode
The inflator offers 5 preset inflation modes:
- Bicycle Mode: For bicycle tires (0-120 PSI).
- Motorcycle Mode: For motorcycle tires (29-36 PSI).
- Automobile Mode: For car tires (29-36 PSI).
- Ball Mode: For sports balls (0-8 PSI).
- Custom Mode: Allows manual setting of desired pressure.
Press the mode selection button to cycle through these options. The corresponding icon will illuminate on the display.

Image 5.2: The inflator positioned among various items it can inflate, including a bicycle, motorcycle, car, and basketball, demonstrating its versatility.
5.3 Setting Desired Pressure
After selecting a mode, use the '+' and '-' buttons to adjust the target pressure value. The device will automatically stop when this pressure is reached.
5.4 Starting and Stopping Inflation
- Connect the air hose with the appropriate nozzle to the item's valve.
- Ensure the connection is secure to prevent air leakage.
- Press the power button to begin inflation. The real-time pressure will be displayed.
- The device will automatically shut off once the preset pressure is achieved. You can manually stop inflation at any time by pressing the power button again.

Image 5.3: The inflator actively inflating a car tire, with the digital display showing the current pressure reading during the process.
5.5 Emergency LED Light
The inflator includes a 3-mode LED light for emergencies:
- Lighting: Standard flashlight mode.
- Flashing: For increased visibility.
- SOS: Emergency signal.
Press the light button to cycle through the modes.

Image 5.4: The inflator's LED light in use, providing illumination for tire inflation or other tasks in low-light conditions.
5.6 Power Bank Functionality
The device features a 5V/2A USB output/input port, allowing it to serve as an emergency power supply for mobile phones or other USB-powered devices.
Video 5.5: An official product video demonstrating the Cimesen Tire Inflator's features, including its compact size, ease of use, LED light, and automatic shut-off function. This video is provided by the seller, Cimesen Direct.
6. Maintenance
- Clean the device with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Store the inflator in a cool, dry place away from direct sunlight when not in use.
- Ensure the air hose and nozzles are free from debris before and after use.
- Regularly check the battery level and recharge as needed to maintain optimal performance.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Inflator does not turn on. | Low battery. | Charge the device fully. |
| Inflation power is weak. | Low battery. | Fully charge the device. Inflation power decreases as battery weakens. |
| Air leaks during inflation. | Hose or nozzle not securely attached. | Ensure all connections are tight. Check for damaged seals. |
| Device overheats. | Continuous operation for too long. | Allow the device to cool down for 15 minutes after 10 minutes of use. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | ATAA-1 |
| Brand | Cimesen |
| Maximum Pressure | 150 PSI |
| Power Source | Battery Powered (4000mAh rechargeable battery) |
| Voltage | 12 Volts (DC) |
| Noise Level | 60 Decibels |
| Material | ABS Plastic |
| Item Weight | 1.12 pounds (0.51 Kilograms) |
| Dimensions | 6.22 x 3.7 x 3.11 inches |
| Special Features | Lightweight, LED Light (3 modes), Power Bank Function, Auto Shut-off |
| Pressure Units | PSI, KPA, BAR, KG/CM² |
| Preset Modes | Bicycle, Motorcycle, Automobile, Ball, Custom |
9. Warranty and Support
For any questions or concerns regarding your Cimesen ATAA-1 Portable Tire Inflator, please contact our after-sales service. We are committed to resolving any issues promptly.
Warranty Description: 1 (Specific details not provided in product data. Please refer to your purchase documentation for full warranty terms.)