GUY-TECH 3323EUE12271
User Manual: Guy-Tech 12V AC/DC Adapter
Model: 3323EUE12271
Brand: GUY-TECH
1. Introduction
This user manual provides essential information for the safe and effective use of your Guy-Tech 12V AC/DC Adapter. This adapter is designed to be compatible with the Coleman QuickPump Rechargeable Air Pump (12V DC, 12.0V DC, 12V power cord models). Please note that this adapter is not suitable for 6V DC devices. It includes a European (EU) plug for regional compatibility.
The adapter serves as a replacement power supply, ensuring your compatible devices receive the correct voltage and current for optimal performance and charging. Please read this manual thoroughly before use.
2. Important Safety Instructions
- Read all instructions: Before using the adapter, read all safety and operating instructions.
- Voltage Compatibility: Ensure the adapter's output voltage (12V DC) matches the input requirements of your device. This adapter is specifically designed for 12V DC Coleman QuickPump models and is not suitable for 6V DC devices.
- Indoor Use Only: This adapter is intended for indoor use only. Do not expose it to rain, moisture, or extreme temperatures.
- Avoid Overloading: Do not overload the adapter. Connect only devices that are within the adapter's specified power output.
- Proper Ventilation: Ensure adequate ventilation around the adapter during use. Do not cover it or place it in an enclosed space.
- Handle with Care: Do not drop, disassemble, or attempt to repair the adapter yourself. Refer all servicing to qualified personnel.
- Disconnect When Not in Use: Unplug the adapter from the power outlet when not in use for extended periods.
- Keep Away from Children: Store the adapter out of reach of children.
- Check for Damage: Before each use, inspect the adapter and its cord for any signs of damage. Do not use if damaged.
3. Package Contents
Please verify that all items are present in the package:
- 1 x Guy-Tech 12V AC/DC Adapter
- 1 x EU Plug Adapter (if separate)

Image 1: The Guy-Tech 12V AC/DC Adapter shown with its attached power cord and a separate EU plug adapter. This image illustrates the main components included in the package.
4. Setup Instructions
- Identify the correct port: Locate the 12V DC input port on your Coleman QuickPump Rechargeable Air Pump.
- Connect the adapter: Insert the DC output plug of the Guy-Tech 12V AC/DC Adapter into the 12V DC input port of your air pump. Ensure a secure connection.
- Attach EU Plug (if necessary): If your adapter comes with a separate EU plug adapter, attach it to the main adapter's prongs. Ensure it clicks securely into place.
- Plug into power outlet: Insert the adapter's prongs (with the EU plug attached, if applicable) into a standard 100-240V AC wall outlet.

Image 2: A close-up view demonstrating how the EU plug adapter connects to the main power adapter, ensuring proper fit for European outlets.
5. Operating Instructions
Once the Guy-Tech 12V AC/DC Adapter is correctly connected to your Coleman QuickPump and a power outlet, your device should begin to charge or operate as intended. The adapter provides a stable 12V DC power supply.
- Charging: If your Coleman QuickPump is rechargeable, the adapter will supply power to charge its internal battery. Refer to your pump's manual for charging indicators.
- Direct Power: If your pump operates directly from a 12V DC source, the adapter will provide continuous power for its operation.
- Disconnecting: To disconnect, first unplug the adapter from the wall outlet, then disconnect the DC plug from your device.
6. Care and Maintenance
- Cleaning: Disconnect the adapter from all power sources before cleaning. Use a soft, dry cloth to wipe the surface. Do not use liquid cleaners or aerosols.
- Storage: Store the adapter in a cool, dry place away from direct sunlight and moisture when not in use. Avoid wrapping the cord too tightly around the adapter.
- Inspection: Periodically inspect the power cord and adapter housing for any signs of damage, fraying, or loose connections.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not receiving power/charging. |
|
|
| Adapter feels warm during use. |
|
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8. Product Specifications
| Feature | Detail |
|---|---|
| Brand | GUY-TECH |
| Model Number | 3323EUE12271 |
| Input Voltage | 100V - 240V AC (Worldwide compatible) |
| Output Voltage | 12V DC |
| Compatibility | Coleman QuickPump Rechargeable Air Pump (12V DC, 12.0V DC, 12V models) |
| Special Features | Universal, Travel, Overvoltage Protection, Overcurrent Protection, Short-circuit Protection |
| Color | Black |
| Power Source | Corded Electric |
| Certifications | CE, FCC, RoHS Compliant |
9. Warranty and Support
This product is a replacement adapter and is designed for reliable performance. For any issues or inquiries regarding your Guy-Tech 12V AC/DC Adapter, please contact the seller or manufacturer directly through your purchase platform.
Please refer to your purchase documentation for specific warranty terms and conditions, as these may vary by retailer or region. Keep your proof of purchase for any warranty claims.
For general support or to report a problem, you may visit the seller's page on Amazon: Expect Technology Seller Page.
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