1. Introduction
This instruction manual provides essential information for the safe and effective use of your onerbl AC-DC Adapter. This adapter is designed to provide reliable power to compatible devices, specifically the RadioShake PRO-163 and PRO163 radio scanners (Model Numbers 20-163, 48-138-0600, 48-1380600, 481380600).
Please read this manual thoroughly before using the adapter and retain it for future reference.
2. Safety Information
To ensure safe operation and prevent damage to the adapter or connected devices, observe the following safety precautions:
- Compatibility: Only use this adapter with devices that match the specified voltage and current requirements (13.8V DC, 600mA). Using it with incompatible devices may cause damage.
- Power Source: Connect the adapter only to AC power outlets within the specified input voltage range (100-240V AC, 50/61Hz).
- Protection Features: This adapter includes built-in Over Voltage Protection, Over Heat Protection, and Short Circuit Protection to safeguard your devices. However, avoid exposing the adapter to extreme conditions.
- Environment: Do not expose the adapter to water, moisture, high temperatures, or direct sunlight. Use in a well-ventilated area.
- Handling: Do not attempt to open, modify, or repair the adapter. Refer all servicing to qualified personnel.
- Cable Care: Ensure the power cord is not pinched, walked on, or otherwise damaged. Replace damaged cords immediately.
3. Package Contents
- 1 x onerbl AC-DC Adapter
4. Setup Instructions
- Verify Compatibility: Before connecting, confirm that your device (e.g., RadioShake PRO-163 scanner) requires a 13.8V DC power input and a current of 600mA or less.
- Connect to Device: Insert the barrel connector end of the adapter cable firmly into the DC input port of your compatible device.
- Connect to Power Outlet: Plug the AC prongs of the adapter into a standard electrical wall outlet (100-240V AC).
- Power On Device: Once connected, you can power on your device as usual.

Figure 1: The onerbl AC-DC Adapter, showing the main unit with AC prongs and the attached cable with a barrel connector.

Figure 2: Example of the AC-DC adapter in use, plugged into a power strip and connected to a device.
5. Operating Instructions
The onerbl AC-DC Adapter functions as a direct power supply for your compatible electronic device. Once properly connected to both the device and a power outlet, it will provide continuous power. There are no user-adjustable settings on the adapter itself.
- Ensure all connections are secure before operating your device.
- If your device has a power switch, use it to turn the device on or off.
- To disconnect power, first turn off your device, then unplug the adapter from the wall outlet.
6. Maintenance
The onerbl AC-DC Adapter requires minimal maintenance.
- Cleaning: Disconnect the adapter from all power sources 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 tightly coiling the cable to prevent damage.
- Inspection: Periodically inspect the adapter and its cable for any signs of damage, such as cuts, fraying, or bent prongs. If damage is found, discontinue use and replace the adapter.
7. Troubleshooting
If you encounter issues with your onerbl AC-DC Adapter, refer to the following common troubleshooting steps:
- Device Not Powering On:
- Ensure the adapter is securely plugged into both the wall outlet and your device.
- Check if the wall outlet is functional by plugging in another device.
- Verify that your device's power switch is in the "On" position.
- Confirm that your device is compatible with the adapter's voltage and current specifications.
- Adapter Feels Hot:
- It is normal for power adapters to feel warm during operation. However, if it feels excessively hot or emits a burning smell, immediately unplug it from the wall and discontinue use.
- Ensure the adapter is in a well-ventilated area and not covered.
- Intermittent Power:
- Check for loose connections at both the wall outlet and the device's input port.
- Inspect the cable for any visible damage.
If problems persist after following these steps, contact customer support for further assistance.
8. Specifications
| Brand | onerbl |
| Model | AC-DC Adapter |
| Input Voltage | AC 100-240V, 50/61Hz |
| Output Voltage/Current | DC 13.8V, 600mA (0.6A) |
| Connector Type | Barrel Connector |
| Special Features | Over Voltage Protection, Over Heat Protection, Short Circuit Protection |
| Color | Black |
| Cable Length | Approx. 76 inches (193 cm) |
| Dimensions (Adapter Body) | Approx. 2.6 inches (Length) x 1.6 inches (Width) x 1.2 inches (Height) |
| Manufacturer | Shenzhen Waweis Technology Co., Ltd |

Figure 3: Detailed dimensions of the AC-DC adapter unit and cable length.

Figure 4: Front and side views of the adapter, displaying input and output specifications printed on the casing.
9. Support and Contact Information
For technical support, warranty inquiries, or further assistance, please contact the manufacturer or your retailer.
Manufacturer: Shenzhen Waweis Technology Co., Ltd
Please have your product model information ready when contacting support.