1. Introduction
Thank you for choosing the MAERKNON 160W Multi-Port USB Charger. This device is designed to provide efficient and fast charging for multiple electronic devices simultaneously, making it ideal for home, office, or travel use. Please read this manual carefully before using the product to ensure safe and optimal performance.
2. Important Safety Instructions
⚠ Warning: Please mind potential fire risk and strictly follow the instruction manual for charging and storage.
- Do not expose the charger to rain, moisture, or extreme temperatures.
- Do not disassemble, modify, or repair the charger yourself. Refer to qualified service personnel.
- Avoid dropping or subjecting the charger to severe impacts.
- Keep the charger away from children and pets.
- Ensure the charger is plugged into a power outlet with the correct voltage (220-240V).
- Unplug the charger during lightning storms or when unused for long periods.
3. Package Contents
Please check the package for the following items:
- 1 x MAERKNON 160W Multi-Port USB Charger
- 1 x User Manual (This document)
4. Product Overview
The MAERKNON 160W Multi-Port USB Charger features six charging ports designed for various devices.

Figure 1: Charger Interface Diagram
Port Descriptions:
- PD25W Interface (Purple Port): Power Delivery fast charging port, ideal for compatible smartphones and tablets.
- QC3.0 Interface: Quick Charge 3.0 port for rapid charging of compatible Android devices.
- PD15W Interface (x2): Power Delivery ports for standard fast charging.
- 3.1A Interface (x2): Standard USB-A ports for general charging of various devices.
The charger is designed with a simple small cube design and a sturdy casing for durability.
5. Setup
- Unpack the Charger: Carefully remove the charger from its packaging.
- Plug into Power Outlet: Insert the charger's plug (EU, US, or UK variant) directly into a standard wall power outlet. The LED indicator on the charger will illuminate, indicating it is powered on.

Figure 2: Charger in use, connected to a wall outlet and charging multiple devices.
6. Operating Instructions
- Connect Your Devices: Use appropriate USB charging cables (not included) to connect your electronic devices to the desired charging ports on the charger.
- Simultaneous Charging: The charger supports simultaneous charging of up to six devices. The intelligent chip will automatically detect and deliver the optimal charging current for each connected device.
- Fast Charging: For devices that support Power Delivery (PD) or Quick Charge (QC), use the corresponding PD25W, QC3.0, or PD15W ports with compatible cables for faster charging speeds.
7. Maintenance and Care
- Cleaning: Disconnect the charger from the power outlet before cleaning. Use a soft, dry cloth to wipe the surface of the charger. Do not use liquid cleaners or abrasive materials.
- Storage: Store the charger in a cool, dry place away from direct sunlight and moisture when not in use.
- Handling: Avoid dropping or rough handling of the charger to prevent internal damage.
8. Troubleshooting
- Charger is not powering on / LED is off:
- Ensure the charger is securely plugged into a working wall outlet.
- Try plugging the charger into a different outlet.
- Devices are not charging:
- Check if the charger is properly plugged into the wall outlet.
- Ensure the USB cables are securely connected to both the charger and your devices.
- Try using a different USB cable, as cables can sometimes be faulty.
- Test with a different device to rule out device-specific issues.
- Devices are charging slowly / Fast charging is not working:
- Ensure your device and USB cable support the specific fast charging protocols (Power Delivery or Quick Charge) of the port you are using.
- Some devices may limit charging speed if multiple high-power devices are connected simultaneously.
- Verify that your device's battery health or software settings are not limiting charging speed.
- Charger feels warm during use:
- It is normal for the charger to become slightly warm during operation, especially when charging multiple devices or using fast charging. If it becomes excessively hot, disconnect it immediately and contact support.
9. Specifications

Figure 3: Detailed Product Specifications
| Feature | Specification |
|---|---|
| Model Number | 3757 |
| Total Output Power | 160W |
| Output Interfaces | 1x PD25W, 1x QC3.0, 2x PD15W, 2x 3.1A USB-A |
| Operating Voltage | 220-240V |
| Power Source | AC |
| Voltage Range | High voltage (50-1000V DC, 75-1000V AC) |
| Intelligent Charge | Yes |
| Quick Charge | Yes |
| Certifications | CE, RoHS, UL |
| Plug Type | EU / US / UK (variant dependent) |
| Dimensions | 6*4.5*2cm / 2.36*1.77*0.79in |
| Origin | Mainland China |
10. User Tips
- Quality Build: Users have noted the charger feels sturdy and of good quality, indicating durability.
- Fast Charging Compatibility: To achieve optimal fast charging (e.g., turbo charging or higher PD voltages like 12V), ensure that both your device and the USB cable you are using fully support the specific fast charging protocols (PD, QC) of the charger's ports. Not all devices or cables are compatible with all fast charging standards.
- Cable Importance: The quality and specification of your USB cable can significantly impact charging speed. Use certified cables that match your device's requirements for best performance.
11. Warranty and Support
For any warranty claims, technical support, or product inquiries, please contact your retailer or the manufacturer directly. Please retain your proof of purchase for warranty services.
A detailed user manual may also be available in PDF format from the seller or manufacturer's website.