Product Overview
This document 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 electronic devices, converting AC wall power to DC power required by your device. It features built-in protections for enhanced safety.

Figure 1: The onerbl AC/DC Adapter with its integrated power cord. The adapter unit is black with a standard US two-prong plug, and the cable is coiled neatly beside it.
Setup Instructions
- Verify Compatibility: Before connecting, ensure your device requires an AC/DC adapter with the specified voltage and current output of this onerbl adapter. Check your device's power input requirements.
- Connect to Device: Insert the DC barrel connector of the adapter's cable firmly into the power input port of your electronic device. Ensure a secure connection.
- Plug into Wall Outlet: Insert the AC prongs of the adapter into a standard AC 100-240V 50/60Hz wall power outlet. Ensure the outlet is easily accessible.
- Power On Device: Once connected, you may power on your device. The adapter will supply the necessary power.

Figure 2: The onerbl AC/DC Adapter shown plugged into a standard wall outlet, demonstrating a typical setup scenario. The compact design allows it to fit without obstructing adjacent outlets.
Operating Guidelines
The onerbl AC/DC Adapter operates automatically once connected to a power source and a compatible device. It is designed for indoor use only. The adapter provides a stable power supply to your device, protecting against over voltage and over heat conditions.
- Ensure the adapter is used in a well-ventilated area to prevent overheating.
- Do not expose the adapter to water, moisture, or extreme temperatures.
- Disconnect the adapter from the wall outlet when not in use for extended periods.
Maintenance
Proper maintenance ensures the longevity and safe operation of your AC/DC adapter.
- Cleaning: Disconnect the adapter from both the wall outlet and your device before cleaning. Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or aerosols.
- Storage: 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 observed, discontinue use immediately.
Troubleshooting
If you encounter issues with your onerbl AC/DC Adapter, refer to the following common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not powering on. | Adapter not properly connected; Wall outlet not active; Device incompatibility. | Ensure all connections are secure. Test the wall outlet with another device. Verify adapter specifications match device requirements. |
| Adapter feels hot. | Normal operation; Overload; Poor ventilation. | A slight warmth is normal. If excessively hot, disconnect immediately. Ensure adequate ventilation around the adapter. Verify device power draw is within adapter limits. |
| Intermittent power. | Loose connection; Damaged cable/adapter. | Check all connections for looseness. Inspect the cable and adapter for visible damage. Discontinue use if damaged. |
Specifications
Key technical specifications for the onerbl AC/DC Adapter:
- Input: AC 100-240V, 50/60Hz (Worldwide AC Input)
- Cable Length: Approximately 6.5 feet (76 inches)
- Connectivity Technology: DC Barrel
- Connector Type: Barrel Connector
- Special Feature: Travel-friendly design
- Protections: Over Voltage Protection, Over Heat Protection
- Dimensions (Adapter Unit): Refer to Figure 3 for detailed dimensions.

Figure 3: Detailed dimensions of the onerbl AC/DC Adapter unit. The unit measures approximately 3.1 inches in length, 2.1 inches in width, and 1.2 inches in thickness.

Figure 4: The rear view of the onerbl AC/DC Adapter, displaying its model information, input voltage (100-240V AC, 50/60Hz), and safety certifications. It also states "INDOOR USE ONLY" and "MADE IN CHINA".
Warranty and Support
This product is covered by a standard return policy. For any issues, questions, or support needs regarding your onerbl AC/DC Adapter, please contact the seller directly through the platform where the purchase was made. Refer to your purchase details for specific return and support information.
Included Components: 1 x Charger