1. Introduction
This manual provides essential information for the safe and effective use of your Onerbl replacement AC Wall Power Charger Adapter. This high-quality charger is designed to provide reliable power for various Anker SoundCore Bluetooth speakers, including models Pro, Pro+, Motion Q, Motion B, Spirit X Pro, and Space NC, as well as specific Anker models A3142, A3108, A3901, A3451, A3402, and A3021. Please read this manual thoroughly before use.

Image 1.1: The Onerbl charger adapter and its accompanying USB cable. The charger is black with a standard US two-prong plug, and the cable is black with a USB-A connector on one end and a Micro-USB connector on the other.
2. Package Contents
- One (1) Onerbl USB Charger Adapter
- One (1) USB Cable (USB-A to Micro-USB)
3. Safety Features
The Onerbl charger is equipped with advanced safety features to protect your devices and ensure safe operation:
- Over Voltage Protection: Prevents damage from excessive voltage input.
- Over Heat Protection: Safeguards against overheating during operation.
- Short-Circuit Protection: Protects against damage from short circuits.
- Over-Current Protection: Prevents damage from excessive current draw.

Image 3.1: Diagram illustrating the "SMART CHIP" technology and its multiple protection features: short-circuit protection, over-voltage protection, and over-current protection, indicated by respective icons.
4. Setup and Connection
- Connect the Micro-USB end of the provided USB cable into the charging port of your compatible Anker SoundCore speaker.
- Connect the USB-A end of the USB cable into the USB port on the Onerbl charger adapter.
- Plug the Onerbl charger adapter into a standard wall outlet.
- Ensure all connections are secure. Your device should begin charging.
5. Operating Instructions
Once connected, the charger will automatically begin supplying power to your device. There are no additional controls or settings required for operation. The charger is designed for continuous use as needed for charging compatible devices.
5.1. Compatible Devices
This charger is specifically designed for the following Anker SoundCore Bluetooth Speaker models:
- Anker SoundCore Pro
- Anker SoundCore Pro+
- Anker SoundCore Motion Q
- Anker SoundCore Motion B
- Anker SoundCore Spirit X Pro
- Anker SoundCore Space NC
- Anker models: A3142, A3108, A3901, A3451, A3402, A3021

Image 5.1: An illustrative diagram showing the wide range of applications for the Onerbl charger, including various electronic devices such as set-top boxes, routers, batteries, LED strips, oxygen machines, Roomba, game players, depilators, cameras, humidifiers, digital frames, and CCTV cameras, indicating its versatility beyond just speakers.
6. Maintenance and Care
- Keep the charger and cable dry. Do not expose to moisture or liquids.
- Clean the charger with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Store the charger in a cool, dry place when not in use.
- Avoid bending or crimping the cable excessively to prevent internal damage.

Image 6.1: A visual representation highlighting the quality control and durable design of the charger, showing a cross-section of the cable with copper wire and PVC jacket, emphasizing its robust construction.
7. Troubleshooting
7.1. Device Not Charging
- Ensure the charger is securely plugged into a working wall outlet.
- Verify that the USB cable is firmly connected to both the charger and the device.
- Check if the device's charging port is clean and free of debris.
- Try using a different wall outlet.
- If possible, test the charger with another compatible device or test your device with another known working charger to isolate the issue.
7.2. Charger Overheating
- Unplug the charger immediately.
- Ensure the charger is used in a well-ventilated area, away from direct sunlight or heat sources.
- Do not cover the charger during use.
- If overheating persists, discontinue use and contact customer support.
8. Specifications
Feature | Detail |
---|---|
Brand | Onerbl |
Input Voltage | 240 Volts |
Wattage | 45 watts |
Connector Type | USB Type C |
Compatible Devices | Speakers (Anker SoundCore Pro, Pro+, Motion Q, Motion B, Spirit X Pro, Space NC, A3142, A3108, A3901, A3451, A3402, A3021) |
Total USB Ports | 1 |
Item Weight | 8 ounces |
Manufacturer | Shenzhen Waweis Technology Co., Ltd |
Country of Origin | China |
Certifications | CE, UL, Qi |

Image 8.1: A comparison illustrating different cable lengths, showing a 10 ft cable length connected to a laptop and a 6.6 ft cable length connected to a wall-mounted charger, demonstrating the flexibility of cord design.
9. Warranty and Support
For warranty information and customer support, please refer to the seller's policy on the platform where the product was purchased. Typically, products sold on Amazon.com have a 30-day return/replacement policy from the date of purchase.
Manufacturer: Shenzhen Waweis Technology Co., Ltd
For further assistance, please contact the seller directly through the Amazon messaging system.