1. Introduction
This manual provides instructions for the safe and effective use of your onerbl AC/DC Adapter. This power supply is designed to provide reliable power to compatible robot vacuum cleaners, specifically the Proscenic 811GB, Vslam-811GB, and Coco Smart 790T models. Please read this manual thoroughly before use and retain it for future reference.
2. Safety Information
To ensure safe operation, observe the following precautions:
- Use the adapter only with compatible devices as specified.
- Do not expose the adapter to water, moisture, or extreme temperatures.
- Avoid dropping or subjecting the adapter to strong impacts.
- Do not attempt to open or repair the adapter. Refer all servicing to qualified personnel.
- Ensure the power outlet is easily accessible and unplug the adapter during electrical storms or when unused for long periods.
- This adapter features built-in Over Voltage Protection, Over Heat Protection, Short-Circuit Protection, and Over-Current Protection to safeguard your devices.

Image: Diagram illustrating the adapter's multiple protection features, including short-circuit, over-voltage, and over-current protection.
3. Package Contents
Verify that your package contains the following item:
- 1 x onerbl AC/DC Adapter
4. Setup
Follow these steps to set up your AC/DC adapter:
- Unpack the onerbl AC/DC Adapter from its packaging.
- Locate a suitable power outlet. Ensure the outlet is easily accessible and provides the correct voltage (AC 100-240V).
- Plug the adapter's power prongs into the wall outlet.
- Connect the adapter's output connector to the power input port of your compatible Proscenic robot vacuum cleaner (811GB, Vslam-811GB, or Coco Smart 790T).

Image: The onerbl AC/DC adapter plugged into a power strip, demonstrating a typical connection scenario.
5. Operating Instructions
Once properly connected, the onerbl AC/DC Adapter will automatically begin supplying power to your robot vacuum cleaner. If your robot vacuum cleaner has a charging indicator, observe it to confirm that charging is in progress. The adapter is designed for continuous use within its specified operating parameters.
6. Maintenance and Care
Proper maintenance ensures the longevity and performance of your adapter:
- Cleaning: Disconnect the adapter from the power source and the device before cleaning. Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or solvents.
- Storage: When not in use, store the adapter in a cool, dry place away from direct sunlight and extreme temperatures. Avoid wrapping the cable too tightly around the adapter.
- Inspection: Periodically inspect the adapter and cable for any signs of damage, such as frayed wires or cracked casing. If damage is found, discontinue use immediately.

Image: Illustration of the adapter's durable design, featuring copper wire construction and quality control aspects.
7. Troubleshooting
If you encounter issues with your adapter, try the following steps:
- No Power to Device:
- Ensure the adapter is securely plugged into a working wall outlet.
- Verify that the adapter's output connector is firmly inserted into the robot vacuum cleaner's power input.
- Test the wall outlet with another device to confirm it is supplying power.
- Adapter Feels Hot:
- It is normal for the adapter to feel warm during operation. If it becomes excessively hot, disconnect it immediately and contact support.
- Ensure the adapter is in a well-ventilated area and not covered.
8. Specifications
| Feature | Specification |
|---|---|
| Brand | onerbl |
| Input Voltage | AC 100-240V, 50/60Hz |
| Wattage | 36.5 watts |
| Compatible Devices | Proscenic 811GB, Vslam-811GB, Coco Smart 790T |
| Connector Type | Proprietary |
| Included Components | 1 x AC Adapter |
| Special Feature | Travel-friendly design |

Image: Physical dimensions of the adapter and its cable length.
9. Warranty and Support
This onerbl AC/DC Adapter is a brand new, high-quality replacement unit that has been tested to ensure great working condition. For any issues or support, please refer to the retailer or manufacturer's contact information provided at the point of purchase.