1. Introduction
This user manual provides essential information for the safe and efficient operation of your DEWINNER Portable Charger. Please read this manual thoroughly before using the product and retain it for future reference. This charger is designed for compatibility with VDE EU plug standards and is suitable for charging various portable devices, particularly power tools as indicated by its product category.
2. Safety Instructions
Always observe the following safety precautions to prevent injury or damage to the product:
- Do not expose the charger to rain or moisture.
- Do not operate the charger if it has received a sharp blow, been dropped, or otherwise damaged.
- Ensure the charger is disconnected from the power outlet before cleaning or maintenance.
- Use only with compatible devices as specified by the manufacturer.
- Keep out of reach of children.
- Do not disassemble the charger. Refer all servicing to qualified service personnel.
- Ensure proper ventilation during use to prevent overheating.
3. Product Overview
The DEWINNER Portable Charger consists of a compact main unit with an integrated VDE EU plug and an output cable with a specific connector for your device.

Image: The DEWINNER Portable Charger, showing its black rectangular body with an integrated VDE EU plug on one side and a black output cable extending from the other side, terminating in a specialized connector.
4. Setup
- Unpack the charger and inspect it for any visible damage.
- Ensure the device you intend to charge is compatible with the charger's output specifications (voltage, current, connector type).
- Locate a suitable power outlet (VDE EU standard) that is easily accessible.
- Connect the charger's output cable to the charging port of your device.
- Plug the charger into the power outlet.
5. Operating
Once properly set up, the charger will begin supplying power to your device. Most devices will indicate charging status through an LED indicator or on-screen display.
- Monitor the charging process. Do not leave charging devices unattended for extended periods.
- Disconnect the charger from the device once charging is complete.
- Unplug the charger from the wall outlet when not in use.
6. Maintenance
Proper maintenance ensures the longevity of your charger:
- Cleaning: Disconnect the charger from the power source. Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or solvents.
- Storage: Store the charger in a cool, dry place away from direct sunlight and extreme temperatures. Avoid tightly winding the cable to prevent damage.
- Inspection: Periodically check the cable and plug for any signs of wear, cuts, or damage. If damage is found, discontinue use immediately.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Charger not working. | No power from outlet; Loose connection; Damaged charger. | Check outlet with another device; Ensure all connections are secure; Inspect charger for damage. If damaged, do not use. |
| Device not charging. | Incompatible device; Device charging port issue; Charger fault. | Verify device compatibility; Test device with another known-good charger; Contact support if charger is suspected faulty. |
| Charger feels hot. | Normal operation (slight warmth); Overload; Poor ventilation. | Ensure adequate ventilation; Disconnect if excessively hot and allow to cool; Verify device compatibility and power requirements. |
8. Specifications
- Brand: DEWINNER
- Model: B08JVBT224
- Connectivity Technology: USB (This refers to the internal connection type, not necessarily a standard USB port for charging consumer electronics.)
- Compatible Devices: Devices requiring a VDE EU plug charger
- Special Feature: Portable
- Power: 24 Watts
- Compliant Specifications: VDE
- Power Source: Corded Electric
- ASIN: B08JVBT224
- First Available Date: September 23, 2020




