1. Important Safety Instructions
- Read all instructions carefully before use.
- Do not expose the adapter to rain or moisture.
- Ensure the adapter is compatible with your device's voltage and current requirements before connecting.
- Do not disassemble or modify the adapter. Refer all servicing to qualified personnel.
- Keep the adapter away from heat sources and direct sunlight.
- Unplug the adapter from the power outlet when not in use for extended periods.
- Avoid placing heavy objects on the power cord.
2. Product Overview
The Onerbl AC-DC Adapter is designed to provide reliable power to compatible devices, specifically Vanzon Model V40, X5 Pro, and Climber-Z portable wireless speakers. This adapter converts standard AC wall power into the DC power required by your device, enabling operation or battery charging.

Figure 1: Onerbl AC-DC Adapter. This image shows the compact design of the adapter with its power plug and output cable.
2.1 Compatibility
This adapter is compatible with the following Vanzon speaker models:
- Vanzon Model V40 (3.7V 4000mAh Li-ion Battery, 24W, IPX7 Waterproof Portable Wireless Speakers with USB-C Charging Port)
- Vanzon Model X5 Pro (3.7V 3600mAh Li-ion Battery, 20W Waterproof Speaker with USB-C Charging Port)
- Vanzon Model Climber-Z (3.7V 2000mAh Li-ion Battery, 30W Waterproof Speaker)
3. Setup
- Verify Compatibility: Before connecting, ensure your Vanzon speaker model is listed in the compatibility section (2.1).
- Connect to Device: Insert the adapter's output connector (USB-C or appropriate DC plug) firmly into the charging port of your Vanzon speaker.
- Connect to Power Outlet: Plug the adapter's AC prongs into a standard wall power outlet (100-240V AC, 50/60Hz).
- Power Indicator: If your speaker has a charging indicator light, observe it to confirm that charging has begun.
4. Operating Instructions
Once connected, the adapter will automatically begin supplying power to your speaker. It can be used to:
- Charge the Battery: The adapter will charge the internal battery of your Vanzon speaker. Charging times may vary depending on the speaker model and battery level.
- Power the Device: The adapter can also power the speaker directly, allowing it to operate even if the battery is fully discharged or removed (if applicable).
Always disconnect the adapter from the power outlet and your device when not in use or when the device is fully charged to conserve energy and prolong adapter lifespan.
5. 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 aerosols.
- Storage: Store the adapter in a cool, dry place when not in use. Avoid wrapping the cord too tightly around the adapter.
- Inspection: Periodically inspect the adapter and its cord for any signs of damage, such as frayed wires or cracked casing. If damage is found, discontinue use immediately.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Adapter not powering device/charging. |
|
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| Adapter feels hot during use. |
|
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7. Specifications
- Input: 100-240V AC, 50/60Hz
- Output Compatibility:
- For Vanzon Model V40: 5VDC 1A (5W)
- For Vanzon Model X5 Pro: 5VDC 2.4A (12W)
- For Vanzon Model Climber-Z: 5VDC 2A (10W)
- Compatible Devices: Vanzon Model V40, X5 Pro, Climber-Z 3.7V Li-ion Battery IPX7 Waterproof Portable Wireless Speakers
- Manufacturer: Shenzhen Waweis Technology Co., Ltd
- Brand: Onerbl
8. Warranty and Support
This Onerbl AC-DC Adapter is covered by a standard manufacturer's warranty. For specific warranty details, technical support, or service inquiries, please refer to the documentation provided with your purchase or contact the retailer where the product was acquired. Keep your proof of purchase for warranty claims.
For further assistance, you may also visit the Onerbl brand page on Amazon or contact your seller directly.