RETROFLAG 5V 3A USB Type C Power Supply for Raspberry Pi 4

1. Introduction

This manual provides essential information for the safe and effective use of your RETROFLAG 5V 3A USB Type C Power Supply. This power supply is specifically designed and tested for the Raspberry Pi 4, ensuring stable and reliable power delivery. Please read this manual thoroughly before use and retain it for future reference.

2. Product Overview

The RETROFLAG 5V 3A USB Type C Power Supply is a dedicated power adapter for the Raspberry Pi 4. It features a USB-C connector and provides a stable 5V output at 3A, which is crucial for the optimal performance of the Raspberry Pi 4. The integrated cable length is 3.3 feet (1 meter).

Image 2.1: RETROFLAG USB-C Power Supply connected to a compatible device.

Image 2.2: Close-up view of the RETROFLAG USB-C Power Supply block, showing the US standard two-prong plug.

Image 2.3: Detailed view of the USB-C connector end of the power supply cable.

Image 2.4: The power supply block displaying input/output specifications and certification marks.

3. Specifications

4. Setup

Follow these steps to set up your RETROFLAG USB Type C Power Supply:

1. Unpack: Carefully remove the power supply from its packaging.
2. Inspect: Check the power supply and cable for any visible damage. Do not use if damaged.
3. Connect to Device: Insert the USB Type C connector firmly into the USB-C power input port of your Raspberry Pi 4.
4. Connect to Power Outlet: Plug the power supply's two-prong plug into a standard AC 100-240V wall outlet. Ensure the outlet is easily accessible.
5. Power On: Your Raspberry Pi 4 should now receive power and begin its boot sequence.

5. Operating Instructions

The RETROFLAG USB Type C Power Supply is designed for simple plug-and-play operation. Once connected as described in the 'Setup' section, it will continuously provide power to your Raspberry Pi 4.

• Ensure the power supply is always connected to a functional wall outlet.
• Avoid disconnecting the power supply during critical operations on your Raspberry Pi 4 to prevent data corruption or system instability.
• If you need to power off your Raspberry Pi 4, always perform a proper shutdown through the operating system before unplugging the power supply.

6. Maintenance

Proper maintenance ensures the longevity and safe operation of your power supply:

• Cleaning: Disconnect the power supply from the wall outlet before cleaning. Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or aerosols.
• Storage: Store the power supply in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
• Cable Care: Avoid bending or crimping the cable excessively, especially near the connectors. Do not place heavy objects on the cable.
• Ventilation: Ensure the power supply is not covered or placed in an enclosed space that could impede airflow, although passive cooling is sufficient for this device.

7. Troubleshooting

If you encounter issues with your power supply, refer to the following troubleshooting steps:

• No Power to Raspberry Pi 4:
  • Ensure the power supply is securely plugged into a working wall outlet. Test the outlet with another device.
  • Verify that the USB Type C connector is fully inserted into the Raspberry Pi 4's power port.
  • Check the power supply cable for any visible damage (cuts, kinks). If damaged, discontinue use.
• Raspberry Pi 4 Under-voltage Warning:
  • This power supply is rated for 3A, which is sufficient for the Raspberry Pi 4. Ensure no other high-power USB peripherals are drawing excessive current from the Raspberry Pi 4 itself.
  • Confirm the power supply is genuine RETROFLAG and not a counterfeit.
• Power Supply Feels Hot:
  • It is normal for power supplies to generate some heat during operation. However, if it feels excessively hot to the touch or emits a burning smell, immediately unplug it from the wall outlet and discontinue use.

If these steps do not resolve your issue, please contact customer support.

8. Safety Information

Please observe the following safety precautions:

• This product is for indoor use only. Do not expose to rain or moisture.
• Do not disassemble or modify the power supply. This may result in electric shock, fire, or damage to the product.
• Keep out of reach of children.
• Do not operate the power supply if the cable or plug is damaged.
• Ensure the power supply is connected to an outlet with the correct voltage (AC 100-240V).
• Avoid placing the power supply near heat sources or in direct sunlight.
• Unplug the power supply during lightning storms or when unused for long periods.

9. Warranty and Support

RETROFLAG stands behind the quality of its products. If you experience any issues or have questions regarding your 5V 3A USB Type C Power Supply, please contact RETROFLAG customer support. Refer to the product packaging or the official RETROFLAG website for contact information.

For more information, visit the RETROFLAG Store.