1. Introduction
This manual provides essential instructions for the safe and efficient use of your onerbl AC/DC Adapter, model GKYPS0200050US1. Please read this manual thoroughly before using the product and retain it for future reference.

Figure 1: onerbl AC/DC Adapter GKYPS0200050US1. This image shows the main view of the black AC/DC adapter with its power plug and DC output connector.
2. Safety Instructions
To ensure safe operation and prevent damage, observe the following precautions:
- Do not expose the adapter to water, moisture, or extreme temperatures.
- Avoid dropping or subjecting the adapter to severe impact.
- Do not attempt to disassemble or modify the adapter.
- Ensure the adapter is used with compatible devices only. Refer to the device's power requirements.
- Unplug the adapter from the power outlet when not in use for extended periods.
- Keep out of reach of children.
3. Package Contents
Verify that all items are present in the package:
- 1 x onerbl AC/DC Adapter (Model: GKYPS0200050US1)
4. Product Overview
The onerbl AC/DC Adapter GKYPS0200050US1 is a high-quality replacement power supply designed for various electronic devices. It features universal AC input and multiple protection mechanisms.
Key Features:
- Input: AC 100-240V 50/60Hz (Worldwide AC Input)
- Over Voltage Protection
- Over Heat Protection
- Short-Circuit Protection
- Durable design with copper wire and PVC jacket
- Extended cord length for flexible placement

Figure 2: Front and side views of the onerbl AC/DC Adapter. This image displays the adapter from two angles, showing the input specifications label and the compact design.

Figure 3: Smart Chip Multiple Protection. This image illustrates the adapter's built-in protections against short-circuit, over-voltage, and over-current.

Figure 4: Quality Control and Durable Design. This image highlights the internal copper wire and PVC jacket construction, emphasizing the product's durability.
5. Setup Instructions
- Verify Compatibility: Before connecting, ensure that your device's power input requirements (voltage and current) match the output specifications of the onerbl AC/DC Adapter. The adapter is designed for devices requiring a DC power input.
- Connect to Device: Insert the DC output plug of the adapter firmly into the power input port of your electronic device.
- Connect to Power Outlet: Plug the AC input prongs of the adapter into a standard AC 100-240V wall power outlet.
- Power On Device: Once connected, power on your device as usual. The adapter will supply the necessary power.

Figure 5: Adapter in use with a power strip. This image shows the AC/DC adapter plugged into a power strip, demonstrating a typical setup scenario.

Figure 6: Extended Cord Design. This image illustrates the flexibility provided by the adapter's long cable, showing it connected to a laptop and a wall outlet.
6. Operating Instructions
The onerbl AC/DC Adapter operates automatically once connected to a power source and a compatible device. It converts AC household current to the required DC voltage for your device.
- The adapter is designed for continuous operation within its specified input and output ranges.
- Its universal input (100-240V) allows for use in various regions without a voltage converter, only requiring a physical plug adapter if the outlet type differs.
- The built-in protection features (over voltage, over heat, short-circuit) automatically safeguard both the adapter and your connected device from electrical anomalies.

Figure 7: Wide Range of Applications. This image displays various devices such as musical instruments, CCTV cameras, routers, and humidifiers, indicating the adapter's broad compatibility.
7. Maintenance
The onerbl AC/DC Adapter requires minimal maintenance. Follow these guidelines to ensure its longevity:
- Cleaning: Disconnect the adapter from both the power outlet and the device before cleaning. Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or solvents.
- Storage: Store the adapter in a cool, dry place away from direct sunlight and extreme temperatures when not in use. Avoid tightly coiling the cable to prevent damage.
- Inspection: Periodically inspect the adapter and its cable for any signs of damage, such as frayed wires, cracks, or loose connections. If damage is observed, discontinue use immediately.
8. Troubleshooting
If you encounter issues with your onerbl AC/DC Adapter, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not powering on. | Adapter not properly connected. Power outlet is not active. Device is incompatible. | Ensure both ends of the adapter are securely plugged in. Test the outlet with another device. Verify device's power requirements match adapter's output. |
| Adapter feels hot. | Normal operation under load. Overload or poor ventilation. | A slight warmth is normal. Ensure adequate ventilation around the adapter. If excessively hot, disconnect and check device compatibility. |
| Intermittent power. | Loose connection. Damaged cable. | Check all connections. Inspect the cable for visible damage. If damaged, discontinue use. |
If the problem persists after attempting these solutions, please contact customer support.
9. Specifications
| Brand | onerbl |
| Model Number | GKYPS0200050US1 |
| Input Voltage | AC 100-240V, 50/60Hz |
| Wattage | 36.5 watts |
| Product Dimensions | 6 x 4 x 2 inches |
| Item Weight | 8 ounces |
| Color | Black |
| Material | Plastic |
| Included Components | 1 x AC Adapter |
| Compatible Devices | Musical Instruments (and other compatible DC-powered devices) |

Figure 8: Product Dimensions. This image provides a visual representation of the adapter's length, width, and height, along with the cable length.
10. Warranty and Support
This product is designed for reliability and performance. For warranty information or technical support, please refer to the documentation provided with your purchase or contact the retailer. Keep your purchase receipt as proof of purchase.
For further assistance, you may visit the onerbl brand's official website or contact their customer service department.