1. Introduction
This manual provides essential instructions for the safe and effective use of your Hwagol Magnetic USB Charger. This charger is designed for G20 and G28 model smartwatches, offering a convenient and secure charging solution.
2. Safety Information
To ensure safe operation and prevent damage to your device or the charger, please observe the following:
- The charging cable features a built-in voltage regulator to protect your smartwatch from overcurrent damage.
- Overvoltage and overcurrent protection functions are integrated to ensure stable current transmission.
- Avoid connecting the charger to power sources that exceed its specified wattage (10 watts).
- Do not expose the charger to water or extreme temperatures.
- Keep out of reach of children.
3. Product Overview
The Hwagol Magnetic USB Charger is a replacement charging cable specifically designed for G20 and G28 model smartwatches. It features a magnetic connection for ease of use and is compatible with various USB power sources.

Figure 1: Hwagol Magnetic USB Charger. This image shows the black magnetic charging cable with a USB-A connector on one end and a circular magnetic charging pad on the other.
Key Features:
- Magnetic Connection: Ensures a secure and easy connection to your smartwatch.
- Wide Compatibility: Designed for G20/G28 model smartwatches. Please verify the 2.84mm (0.11in) magnetic port distance on your smartwatch for compatibility.
- Safety Features: Built-in voltage regulator and protection against overcurrent and overvoltage.
- Versatile Power Sources: Can be connected to power adapters, car USB adapters, power banks, and laptop USB ports.
4. Setup and Connection
Follow these steps to connect your Hwagol Magnetic USB Charger:
- Verify Compatibility: Before connecting, measure the distance between the magnetic charging ports on your smartwatch. This charger is compatible with smartwatches where this distance is approximately 2.84mm (0.11 inches).
- Connect to Power Source: Insert the USB-A end of the charging cable into a compatible USB power source. This can be a power adapter, a car USB adapter, a power bank, or a laptop's USB port.
- Attach to Smartwatch: Gently bring the magnetic charging pad of the cable close to the charging area on the back of your smartwatch. The magnets will automatically align and connect.
- Check Connection: If the smartwatch does not begin charging immediately, gently detach and re-attach the magnetic pad, potentially rotating it 180 degrees. Due to the nature of magnetic charging, the polarity might need to be reversed for the initial connection.

Figure 2: Example of a smartwatch being charged with a magnetic cable. This image illustrates the magnetic charging pad connected to the back of a smartwatch.
5. Operating Instructions
Once connected, your smartwatch should indicate that it is charging. The charger provides a stable and efficient charging experience.
- Ensure the smartwatch is placed on a stable surface during charging.
- Monitor the smartwatch's display for charging status.
- Disconnect the charger once the smartwatch is fully charged to conserve energy.
6. Care and Maintenance
Proper care will extend the life of your charging cable:
- Keep the magnetic charging pad clean and free of dust or debris. Use a soft, dry cloth for cleaning.
- Avoid bending or kinking the cable excessively, as this can damage internal wires.
- Store the charger in a cool, dry place when not in use.
- Do not attempt to disassemble or repair the charger yourself.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Smartwatch not charging. | Incorrect magnetic polarity. | Detach the magnetic pad, rotate it 180 degrees, and re-attach. |
| Smartwatch not charging. | Loose connection to power source. | Ensure the USB-A connector is fully inserted into the power adapter or USB port. |
| Smartwatch not charging. | Incompatible smartwatch model. | Verify your smartwatch's magnetic port distance (2.84mm / 0.11in). |
| Slow charging. | Low power output from USB source. | Try a different USB power source, such as a wall adapter with higher wattage. |
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Hwagol |
| Model Number | G20cdx |
| Connector Type | USB Type A |
| Compatible Devices | Smartwatches (G20/G28 models), Laptops (for USB port) |
| Compatible Smartwatch Models | Hwagol Smartwatch (G20/G28 models with 2.84mm magnetic port distance) |
| Included Components | Charging cable |
| Special Feature | Lightweight Design |
| Color | Black |
| Wattage | 10 watts |
| Connectivity Technology | USB |
| Power Source | Corded Electric (via USB port) |
| Portable | Yes |
| UPC | 614166502898 |
9. Warranty and Support
For any questions, concerns, or support regarding your Hwagol Magnetic USB Charger, please contact the seller or manufacturer directly. Refer to your purchase documentation for specific warranty details and contact information.
Note: The manufacturer is Hwagol.