1. Introduction
This manual provides essential information for the safe and effective use of your Onerbl AC-DC Adapter. This adapter is designed to convert standard AC wall power into DC power, suitable for charging and operating compatible Acmount portable car jumper starters.
The Onerbl AC-DC Adapter is specifically engineered to meet the power requirements of various Acmount models, ensuring reliable performance and battery charging. Please read this manual thoroughly before using the product.
2. Important Safety Instructions
WARNING: Failure to follow these safety instructions may result in fire, electric shock, or injury.
- Do not expose the adapter to rain, moisture, or extreme temperatures.
- Ensure the adapter is connected to a power outlet with the correct voltage as specified on the adapter label.
- Do not use the adapter if the cord or plug is damaged.
- Keep the adapter away from children.
- Unplug the adapter from the power outlet when not in use or during electrical storms.
- Do not attempt to disassemble or modify the adapter. Refer all servicing to qualified personnel.
- Use only with specified Acmount portable jumper starter models.
3. Package Contents
Verify that all items are present in the package:
- 1 x Onerbl AC-DC Adapter
- 2 x USB Cable (Note: These USB cables are for charging other devices from your jumper starter, not for charging the jumper starter itself via this AC-DC adapter.)
4. Setup
Follow these steps to set up your Onerbl AC-DC Adapter:
- Inspect the Adapter: Before use, visually inspect the AC-DC adapter and its cables for any signs of damage. Do not use if damaged.
- Connect to Jumper Starter: Locate the DC input port on your Acmount portable jumper starter. Plug the DC output connector of the Onerbl AC-DC Adapter into this port. Ensure a firm connection.
- Connect to Power Outlet: Plug the AC input plug of the Onerbl AC-DC Adapter into a standard wall power outlet (100-240V AC, 50/60Hz).
- Verify Charging: Once connected, your Acmount jumper starter should indicate that it is charging (e.g., an LED indicator will light up or a display will show charging status).

Image showing the Onerbl AC-DC Adapter, a compact black power supply unit with a power cord and DC output connector.
5. Operating Instructions
The Onerbl AC-DC Adapter is designed for straightforward operation:
- Charging the Jumper Starter: Connect the adapter as described in the 'Setup' section. The adapter will automatically begin charging the connected Acmount jumper starter. Charging times may vary depending on the jumper starter's battery capacity and current charge level.
- Monitoring Charge Status: Refer to your Acmount jumper starter's display or indicator lights to monitor the charging progress. Disconnect the adapter once the jumper starter is fully charged to prolong battery life.
- Powering the Jumper Starter: In some cases, the adapter can also provide continuous power to the jumper starter for certain functions, if supported by the jumper starter model. Consult your jumper starter's manual for details.
6. Maintenance and Care
Proper maintenance ensures the longevity and safe operation of your adapter:
- 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: Store the adapter in a cool, dry place away from direct sunlight and extreme temperatures. Avoid wrapping the cable too tightly around the adapter.
- Cable Care: Do not bend, twist, or pinch the power cord excessively. Avoid placing heavy objects on the cord.
- Regular Inspection: Periodically check the adapter, plug, and cable for any signs of wear or damage. Replace the adapter if any damage is observed.
7. Troubleshooting
If you encounter issues with your Onerbl AC-DC Adapter, refer to the table below for common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Adapter not charging jumper starter. | No power from outlet; loose connection; damaged adapter/cable; incompatible jumper starter. | Check wall outlet with another device. Ensure all connections are secure. Inspect adapter and cables for damage. Confirm jumper starter model is compatible. |
| Adapter feels hot during use. | Normal operation (slight warmth); poor ventilation; excessive load. | A slight warmth is normal. Ensure adapter is in a well-ventilated area. If excessively hot, disconnect immediately and contact support. |
| Jumper starter not fully charging. | Jumper starter battery issue; adapter not providing sufficient power. | Consult your jumper starter's manual for battery troubleshooting. Ensure the adapter specifications match the jumper starter's requirements. |
8. Specifications
Technical details for the Onerbl AC-DC Adapter:
| Feature | Detail |
|---|---|
| Input Voltage | AC 100-240V, 50/60Hz |
| Output Voltage | DC 5V |
| Output Current | 2A (2000mA) |
| Compatibility | Acmount P100, P110, W160, J330, J450, P120 series portable jumper starters (and others requiring 5VDC 2A input) |
| Connector Type | Specific DC plug for Acmount devices (refer to product image for visual confirmation) |
| Manufacturer | Shenzhen Waweis Technology Co., Ltd |
9. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the official Onerbl website or contact your retailer. Keep your purchase receipt as proof of purchase for warranty claims.