Introduction
This manual provides essential information for the safe and effective use of your OMNIHIL 20 Foot Long AC Power Cord. This power cord is designed to be compatible with the roborock Dock Charger Model: CDZ12RR, providing a reliable power connection for your device.
Please read this manual thoroughly before using the product and retain it for future reference.

Image: The OMNIHIL 20 Foot AC Power Cord, shown coiled, featuring a standard US 2-prong plug on one end and a figure-8 (C7) connector on the other.
Safety Information
Always observe the following safety precautions to prevent injury or damage to the product:
- Do not use the power cord if it is damaged or frayed.
- Ensure the power cord is fully inserted into both the wall outlet and the device.
- Do not overload electrical outlets.
- Keep the power cord away from water, heat sources, and sharp objects.
- Do not modify or attempt to repair the power cord.
- This product is for indoor use only.
Setup
Follow these steps to set up your OMNIHIL AC Power Cord:
- Unpack the Power Cord: Carefully remove the power cord from its packaging. Inspect it for any visible damage.
- Identify Connectors:
- One end has a standard US 2-prong plug (NEMA 1-15P) for wall outlets.

Image: A close-up view of the standard US 2-prong plug (NEMA 1-15P) end of the power cord.
- The other end has a figure-8 (C7) connector, designed to fit into compatible devices like the roborock Dock Charger Model: CDZ12RR.

Image: A close-up view of the figure-8 (C7) connector end of the power cord.
- One end has a standard US 2-prong plug (NEMA 1-15P) for wall outlets.
- Connect to Device: Insert the figure-8 (C7) connector firmly into the power input port of your roborock Dock Charger Model: CDZ12RR. Ensure it is fully seated.
- Connect to Power Outlet: Plug the standard US 2-prong plug into a suitable wall outlet.
- The roborock Dock Charger should now receive power.
Operating Instructions
The OMNIHIL AC Power Cord functions as a direct power supply cable. Once properly connected, it provides the necessary electrical current from the wall outlet to your compatible device, such as the roborock Dock Charger.
- Ensure the power cord is not kinked or bent sharply during operation.
- Avoid placing heavy objects on the cord.
- For optimal performance, use the cord in a dry, indoor environment.
Maintenance
Proper maintenance will extend the life of your power cord:
- Cleaning: Disconnect the power cord from both the outlet and the device before cleaning. Wipe the cord with a dry, soft cloth. Do not use liquid cleaners or abrasive materials.
- Storage: When not in use, coil the power cord loosely. Avoid tight coiling or wrapping around sharp objects, which can damage the internal wires. Store in a cool, dry place.
- Inspection: Periodically inspect the cord for any signs of wear, cuts, fraying, or damage to the plugs. If damage is found, discontinue use immediately.
Troubleshooting
If you experience issues with your OMNIHIL AC Power Cord, consider the following:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not powering on. |
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| Cord feels warm. |
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If problems persist after following these steps, please contact OMNIHIL customer support.
Specifications
| Feature | Detail |
|---|---|
| Product Type | AC Power Cord |
| Length | 20 Feet (approx. 6.1 meters) |
| Compatibility | roborock Dock Charger Model: CDZ12RR |
| Connectors | NEMA 1-15P (US 2-prong) to IEC C7 (Figure-8) |
| Color | Black |
| Certifications | UL Listed, RoHS Compliant |
| Manufacturer | Zhongshan Master Light Source Electronic |
| Item Weight | 5 ounces |
| Package Dimensions | 3 x 2 x 2 inches |
Warranty and Support
OMNIHIL stands behind the quality of its products.
- Warranty: This product comes with a 5 Year Free Replacement Warranty.

Image: A circular logo indicating a 5-year warranty.
- Support: For any questions, concerns, or warranty claims, please contact OMNIHIL customer support. You can find more information and contact details by visiting the OMNIHIL Store on Amazon.





