1. Introduction
This manual provides essential instructions for the safe and effective use of your onerbl 12V AC/DC Adapter. This power supply is designed to provide stable 12V DC power to compatible devices, specifically the Petree P1 ACC-21-02 and ACC-21-03 Self Cleaning Cat Litter Boxes. Please read this manual thoroughly before use and retain it for future reference.
2. Safety Information
To ensure safe operation and prevent damage, please observe the following safety precautions:
- Use the adapter only with devices that require 12V DC input and have a compatible connector.
- This adapter is designed for indoor use only. Do not expose it to water, moisture, or high humidity.
- Do not disassemble, modify, or attempt to repair the adapter. Refer all servicing to qualified personnel.
- Ensure the adapter is plugged into a properly grounded electrical outlet.
- Avoid placing the adapter in areas with poor ventilation, as this can lead to overheating.
- Keep the adapter and its cable away from heat sources, sharp objects, and heavy foot traffic.
- Unplug the adapter from the power outlet when not in use for extended periods or during electrical storms.

Image: The onerbl 12V AC/DC Adapter connected to a power strip, demonstrating typical usage in a home or office environment. Ensure proper ventilation and avoid covering the adapter.

Image: Illustration emphasizing the quality control and durable design of the adapter, featuring a cross-section of the cable showing copper wire and PVC jacket for enhanced safety and longevity.
3. Package Contents
Verify that all items are present in your package:
- 1 x onerbl 12V AC/DC Adapter
4. Setup
Follow these steps to connect your onerbl 12V AC/DC Adapter:
- Ensure the device you intend to power (e.g., Petree P1 ACC-21-02/ACC-21-03) is turned off.
- Connect the DC output plug of the onerbl adapter to the power input port of your device. Ensure a secure fit.
- Plug the AC input prongs of the adapter into a standard 100-240V AC wall outlet.
- Once connected, you may power on your device.

Image: The onerbl 12V AC/DC Adapter with its coiled power cable, ready for connection. Note the standard US plug type.

Image: Front and side views of the adapter, displaying the input specifications (100-240VAC, 50/60Hz) and regulatory marks.
5. Operating Instructions
The onerbl 12V AC/DC Adapter operates automatically once connected to a power source and a compatible device. It converts the incoming AC voltage to a stable 12V DC output. No user intervention is required for its basic operation.

Image: Visual representation of the adapter's dimensions (2.6 x 1.6 x 1.2 inches) and the cable length (76 inches), providing context for placement and reach.

Image: Examples of the adapter's extended cord design, illustrating how the cable length (e.g., 6.6 ft or 10 ft options) can accommodate different setup requirements, such as connecting to a laptop or a wall-mounted device.
6. Maintenance
Proper maintenance ensures the longevity and reliable performance of your adapter:
- Cleaning: Disconnect the adapter from the power outlet and the device. 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 tightly coiling the cable to prevent damage.
- Inspection: Periodically inspect the adapter and cable for any signs of damage, such as frayed wires, cracked casing, or bent prongs. If damage is found, discontinue use immediately and replace the adapter.
7. Troubleshooting
If you encounter issues with your adapter, refer to the following common problems and solutions:
- No Power to Device:
- Ensure the adapter is securely plugged into both the wall outlet and the device.
- Verify the wall outlet is functional by testing it with another appliance.
- Confirm that your device requires 12V DC power and has a compatible connector.
- Intermittent Power:
- Check for loose connections at both ends of the adapter.
- Inspect the cable for any visible damage or kinks.
- Adapter is Hot:
- It is normal for adapters to feel warm during operation. However, if it is excessively hot to the touch, unplug it immediately.
- Ensure adequate ventilation around the adapter and that it is not covered.
- Verify that the connected device is not drawing more power than the adapter's rated output.

Image: Diagram highlighting the built-in smart chip protection features of the onerbl adapter, including safeguards against short-circuit, over-voltage, and over-current to ensure device safety.
8. Specifications
| Feature | Specification |
|---|---|
| Input Voltage | AC 100-240V, 50/60Hz |
| Output Voltage | DC 12V |
| Wattage | 12 Watts |
| Connector Type | Proprietary (compatible with Petree P1 ACC-21-02/ACC-21-03) |
| Cable Length | 76 inches (approx. 6.3 feet) |
| Special Feature | Travel-friendly, Over Voltage Protection, Over Heat Protection |
| Compatible Devices | PETREE ACC-21-02 ACC-21-03 CATS |

Image: A visual representation of the adapter's wide range of applications, including various electronic devices such as set-top boxes, routers, cameras, and pet-related equipment, highlighting its versatility.
9. Warranty and Support
The onerbl 12V AC/DC Adapter comes with a standard manufacturer's warranty. For specific warranty details, including duration and coverage, please refer to the product packaging or contact your retailer. For technical support or further assistance, please reach out to the onerbl customer service team through the contact information provided with your purchase or on the official onerbl website.