Introduction
This instruction manual provides important information for the safe and efficient use of your onerbl AC/AC Power Adapter, Model PS12E. This adapter is designed to provide reliable AC power for compatible devices such as the InnoGear IG101 and Neewer Phantom Power microphones. Please read this manual thoroughly before use and retain it for future reference.
Setup
Unpacking
- Carefully remove the power adapter from its packaging.
- Inspect the adapter and cable for any signs of damage. If any damage is found, do not use the product and contact customer support.
- Ensure all components are present: 1 x onerbl AC/AC Power Adapter.
Connecting the Adapter
- Identify the power input port on your device (e.g., InnoGear IG101, Neewer Phantom Power microphone). Ensure it matches the barrel connector type of the onerbl adapter.
- Plug the barrel connector end of the onerbl AC/AC Power Adapter firmly into the power input port of your device.
- Plug the AC plug of the adapter into a standard AC 110V wall outlet. Ensure the outlet is easily accessible.
- Verify that your device powers on correctly.

Image: The onerbl AC/AC Power Adapter is compatible with a wide range of applications, including set-top boxes, routers, batteries, LED strips, oxygen machines, Roomba devices, game players, depilators, cameras, humidifiers, and digital frames. This illustrates the versatility of the adapter's barrel connector for various electronic devices.
Operating
Powering Your Device
- Once connected to a power source and your device, the adapter will supply the necessary AC power.
- The adapter is designed for continuous operation.
- Always ensure the adapter is used within its specified voltage and current ratings to prevent damage to the adapter or the connected device.
Safety Features
The onerbl AC/AC Power Adapter incorporates multiple protection features to ensure safe operation:
- Over Voltage Protection: Safeguards against excessive voltage input.
- Over Heat Protection: Prevents the adapter from overheating during operation.
- Short-Circuit Protection: Protects against damage from short circuits.
- Over Current Protection: Guards against excessive current draw.

Image: The onerbl AC/AC Power Adapter features a smart chip that provides multiple layers of protection, including short-circuit protection, over-voltage protection, and over-current protection, ensuring electrical safety.
Maintenance
- Cleaning: Disconnect the adapter from the power outlet and the device before cleaning. Use a soft, dry cloth to wipe the surface. Do not use liquid cleaners or aerosols.
- Storage: When not in use, store the adapter in a cool, dry place away from direct sunlight and moisture. Avoid tightly coiling the cable to prevent damage.
- Inspection: Periodically check the cable and connector for any signs of wear, cuts, or damage. If damage is observed, discontinue use immediately.

Image: The adapter features a durable design with quality control, including a copper wire core protected by a PVC jacket, ensuring longevity and reliable performance.
Troubleshooting
If you encounter issues with your power adapter, refer to the following table for common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not powering on. | Adapter not properly connected. Wall outlet not functioning. Device power input issue. | Ensure both ends of the adapter are securely plugged in. Test the wall outlet with another device. Check your device's power input port. |
| Adapter feels hot. | Normal operation (slight warmth). Overload or poor ventilation. | A slightly warm adapter is normal. Ensure adequate ventilation around the adapter. If it's excessively hot, disconnect immediately and contact support. |
| Intermittent power to device. | Loose connection. Damaged cable. | Check all connections for tightness. Inspect the cable for any visible damage. If damaged, replace the adapter. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | PS12E |
| Input Voltage | AC 110V (US Standard) |
| Output Voltage | AC 17.3V - 18.5V |
| Output Current | 350mA |
| Connector Type | Barrel Connector |
| Cable Length | Approximately 6.6 ft (2 meters) to 10 ft (3 meters) depending on variant. |
| Special Features | Over Voltage Protection, Over Heat Protection, Short-Circuit Protection, Over Current Protection |
| Weight | 8 ounces (approx.) |

Image: The adapter is available with an extended cord design, offering cable lengths of approximately 10 ft or 6.6 ft for flexible placement and convenience.
Warranty and Support
Warranty Information
This onerbl product is covered by a standard manufacturer's warranty against defects in materials and workmanship. The warranty period typically covers 30 days from the date of purchase for refund/replacement. Please retain your proof of purchase for warranty claims. This warranty does not cover damage caused by misuse, accident, unauthorized modification, or improper installation.
Customer Support
For technical assistance, troubleshooting, or warranty inquiries, please contact the seller or refer to the contact information provided with your purchase. You may also visit the onerbl brand page on Amazon for additional support resources.