Introduction
This onerbl 19V AC/DC Power Adapter is designed to provide reliable power to compatible electronic devices, including MSI Optix G274QRFW and G271CQP 27-inch WQHD LED Gaming Monitors. It converts standard AC wall power into the necessary DC power for your device, ensuring stable operation and charging capabilities. This adapter features built-in over-voltage and over-heat protection for enhanced safety and device longevity.
Package Contents
- 1 x onerbl 19V AC/DC Power Adapter
- 1 x AC Power Cord

Image 1: The onerbl 19V AC/DC Power Adapter shown with its detachable AC power cord. The adapter unit is black with a blue indicator light, and the power cord features a standard two-prong plug for wall outlets and a two-hole connector for the adapter.
Specifications
| Feature | Description |
|---|---|
| Input | AC 100-240V, 50/60Hz (Worldwide Compatible) |
| Output | 19V DC |
| Protections | Over Voltage Protection, Over Heat Protection |
| Compatibility | MSI Optix G274QRFW, G271CQP, and other compatible devices requiring 19V DC power. |
| Manufacturer | Shenzhen Waweis Technology Co., Ltd |

Image 2: Detailed dimensions of the power adapter and its cables. The total cable length is approximately 127.8 inches. The adapter unit measures about 4.2 inches in length, 1.8 inches in width, and 1.2 inches in height. The AC input cable is approximately 79.3 inches, and the DC output cable is approximately 44.3 inches.
Setup
Follow these steps to correctly set up your onerbl 19V AC/DC Power Adapter:
- Connect the AC Power Cord: Insert the two-hole connector of the AC power cord firmly into the corresponding port on the power adapter unit.
- Connect to Wall Outlet: Plug the two-prong end of the AC power cord into a standard AC 100-240V wall electrical outlet. The blue indicator light on the adapter should illuminate, indicating it is receiving power.
- Connect to Device: Insert the DC output connector (the round barrel plug) from the adapter into the power input port of your compatible device (e.g., MSI Optix monitor). Ensure a secure connection.
- Power On Device: Once connected, you can power on your device.

Image 3: The onerbl 19V AC/DC Power Adapter in use, with the AC power cord plugged into a wall outlet and the DC output cable connected to an electronic device on a desk. The blue indicator light on the adapter is visible.
Operating Instructions
The onerbl 19V AC/DC Power Adapter operates automatically once connected. It provides a stable 19V DC output to your device. The blue indicator light confirms that the adapter is powered on and ready for use. No user intervention is required during operation.
Maintenance
- Cleaning: Disconnect the adapter from the power outlet and your device before cleaning. Use a soft, dry cloth to wipe the adapter and cables. Do not use liquid cleaners or abrasive materials.
- Storage: When not in use, store the adapter in a cool, dry place away from direct sunlight and extreme temperatures. Avoid tightly coiling the cables to prevent damage.
- Inspection: Periodically inspect the adapter and cables for any signs of damage, such as frayed wires, bent pins, or cracks in the casing. If damage is found, discontinue use and replace the adapter.
Troubleshooting
- No Power to Device:
- Ensure the AC power cord is securely connected to both the adapter and the wall outlet.
- Verify that the wall outlet is functional by plugging in another device.
- Check if the blue indicator light on the adapter is illuminated. If not, check connections or try a different outlet.
- Confirm the DC output connector is fully inserted into your device's power port.
- Adapter Overheating:
- Ensure the adapter is placed in a well-ventilated area and not covered.
- Verify that your device's power requirements match the adapter's output (19V DC). Using an incompatible device can cause overheating.
- If overheating persists, discontinue use and contact support.
- Loose Connection:
- If the connection feels loose, gently re-seat the connectors. Avoid excessive force.
- Inspect the connectors for any physical damage or debris.
Warranty and Support
This onerbl power adapter is manufactured with high-quality materials and undergoes rigorous testing to ensure performance and reliability. For specific warranty details, please refer to the product packaging or contact your retailer. For technical support or inquiries, please reach out to the manufacturer:
Manufacturer: Shenzhen Waweis Technology Co., Ltd
Please have your product model (ADS-65HI-19A-1) and purchase information ready when contacting support.