Introduction
This manual provides essential instructions for the safe and effective use of your Onerbl AC-DC Adapter. This adapter is designed to provide reliable power to compatible BMAX Mini PCs, allowing you to operate your device or charge its battery from standard electrical outlets. Please read this manual thoroughly before use and retain it for future reference.
Product Overview
The Onerbl AC-DC Adapter converts alternating current (AC) from a wall outlet into direct current (DC) required by your BMAX Mini PC. It features built-in protections for safety and durability.

Image 1: Front view of the Onerbl AC-DC Adapter showing its dimensions: approximately 3.1 inches in length, 2.1 inches in width, and 1.2 inches in thickness. The power cord with a barrel connector is visible at the bottom.

Image 2: Rear view of the Onerbl AC-DC Adapter, displaying the model number, input specifications (100-240V AC, 50/60Hz), and a "CAUTION INDOOR USE ONLY" label. The attached cable has a length of 76 inches.
Setup Instructions
- Verify Compatibility: Ensure your BMAX Mini PC model is listed as compatible with this adapter. Refer to the specifications section or your device's manual.
- Connect to Device: Insert the barrel connector of the adapter's cable firmly into the power input port of your BMAX Mini PC.
- Connect to Power Outlet: Plug the AC prongs of the adapter into a standard, grounded electrical wall outlet (AC 100-240V, 50/60Hz).
- Power On: Once connected, your Mini PC should receive power. Follow your Mini PC's instructions to power it on.

Image 3: The Onerbl AC-DC Adapter correctly plugged into a wall outlet, demonstrating a typical setup scenario.
Operating Instructions
- The adapter is designed for continuous operation.
- Ensure the adapter is placed in a well-ventilated area to prevent overheating.
- Always disconnect the adapter from the power outlet when not in use for extended periods.
- This adapter is for indoor use only. Do not expose it to moisture or outdoor elements.
Maintenance
- Keep the adapter clean and free from dust. Use a dry, soft cloth for cleaning.
- Do not use liquid cleaners or aerosols.
- Inspect the power cord and connector regularly for any signs of damage. If damaged, discontinue use and replace the adapter.
- Avoid bending or crimping the power cord excessively.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not powering on. | Adapter not properly connected. Power outlet not active. Adapter or device malfunction. | Ensure all connections are secure. Test the outlet with another device. Contact support if issues persist. |
| Adapter feels hot. | Normal operation under load. Poor ventilation. Overload or internal fault. | Ensure adequate airflow around the adapter. Disconnect and allow to cool. If excessively hot or smoking, discontinue use immediately. |
| Intermittent power. | Loose connection. Damaged cable. | Check all connections. Inspect cable for damage; replace if necessary. |
Specifications
- Brand: Onerbl
- Input: AC 100-240V, 50/60Hz (Worldwide AC Input)
- Connector Type: Barrel Connector
- Cable Length: Approximately 76 inches (193 cm)
- Color: Black
- Special Features: Over Voltage Protection, Over Heat Protection, Short Circuit Protection
- Compatible Devices: BMAX Mini PC B1 Plus, PN G1A3, G1A9, B2 Plus, G5E2, BMAX-US-B2, B3 Plus, MaxMini, B4 Pro MiniPC, Intel Celeron N3350, N3060, 5405U Computer models.
- Manufacturer: Shenzhen Waweis Technology Co., Ltd
Safety Information
- Use only with compatible devices as specified.
- Do not disassemble or modify the adapter.
- Keep away from water, high humidity, and extreme temperatures.
- Avoid dropping or subjecting the adapter to strong impacts.
- If the adapter emits smoke, unusual odors, or makes strange noises, immediately unplug it from the wall outlet and discontinue use.
- This product is for indoor use only.
Warranty and Support
Onerbl adapters are tested to ensure quality and performance. For support or warranty inquiries, please refer to your purchase documentation or contact the seller directly. Standard return policies typically allow for returns or replacements within 30 days of purchase.