Introduction
Thank you for choosing the GKUTW HX100M4 Magnetic Portable Charger. This 4-in-1 power bank is designed to provide convenient and efficient charging for your Apple devices and other gadgets. It features a 10800mAh capacity, magnetic wireless charging for iPhone and Apple Watch, and both USB-C and USB-A ports for wired charging. Please read this manual carefully to ensure proper use and optimal performance of your device.
Package Contents
- Magnetic Portable Charger Power Bank x 1
- USB Charging Cable x 1
- User Manual x 1
Product Overview
The GKUTW HX100M4 is a versatile charging solution. It integrates multiple charging methods into a compact design.
Key Features:
- 4-in-1 Charging: Simultaneously charge up to four devices: MagSafe-compatible iPhone, Apple Watch, and two additional devices via USB-C and USB-A ports.
- High Capacity: 10800mAh battery provides extended power for your devices.
- Fast Charging: 25W Power Delivery (PD) and QC4.0 technology for rapid charging.
- LCD Display: Intuitive screen for monitoring battery level.
- Strong Magnetic Attachment: Dual-side magnetism ensures secure connection for wireless charging.
- Safety Protections: Built-in systems protect against overheating, overcharging, overcurrent, and short circuits.

Image: The GKUTW HX100M4 charger demonstrating its ability to charge four devices concurrently: an iPhone, an Apple Watch, an iPad via USB-C, and AirPods via USB-A.
Setup
Initial Charging of the Power Bank:
- Connect the provided USB-C charging cable to the USB-C port on the power bank.
- Plug the other end of the USB-C cable into a compatible USB wall adapter (not included).
- The LCD display on the power bank will show the charging progress. Charge the power bank fully before first use.

Image: The power bank connected to a wall adapter via its USB-C port for recharging. This image also illustrates pass-through charging and fast charging for an iPhone.
Operating Instructions
1. Wireless Charging for iPhone (MagSafe Compatible):
- Ensure your iPhone is MagSafe compatible (iPhone 12 series or newer) or is using a MagSafe-compatible case.
- Align the back of your iPhone with the magnetic charging pad on the power bank. The magnets will securely attach the phone.
- Charging will begin automatically. The LCD display will show the power bank's remaining charge.

Image: The GKUTW HX100M4 power bank securely attached to the back of an iPhone via its magnetic charging surface. This image emphasizes the strong magnetic connection.
Important Note for Wireless Charging: For optimal magnetic wireless charging, please use a MagSafe-compatible case or no case at all. Non-magnetic or thick cases may hinder the magnetic connection and charging efficiency.

Image: A visual guide illustrating the difference between magnetic cases (compatible with wireless charging) and non-magnetic cases (not compatible with wireless charging).
2. Wireless Charging for Apple Watch:
- Place your Apple Watch onto the dedicated Apple Watch charging module on the power bank.
- Ensure the watch is properly aligned for charging to initiate.
- The watch display will indicate charging status.
3. Wired Charging (USB-C and USB-A):
- Connect your device's charging cable to either the USB-C output port or the USB-A output port on the power bank.
- Connect the other end of the cable to your device.
- Charging will commence automatically. The USB-C port supports 25W Power Delivery (PD) for fast charging compatible devices.
Note: The power bank supports pass-through charging, allowing it to be recharged while simultaneously charging other devices.
Maintenance
- Keep the power bank away from water, moisture, and extreme temperatures.
- Clean the device with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
- Store the power bank in a cool, dry place when not in use.
- Avoid dropping or subjecting the power bank to strong impacts.
- For optimal battery life, fully charge the power bank at least once every three months if not used regularly.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Power bank not charging. | Charging cable or adapter faulty; power bank fully charged; connection issue. | Check cable and adapter; ensure secure connection; try a different cable/adapter. |
| Device not charging wirelessly. | Misalignment; non-MagSafe device/case; foreign object; device already fully charged. | Realign device; ensure MagSafe compatibility; remove obstructions; check device's charge level. |
| Slow charging. | Cable quality; device not supporting fast charging; multiple devices charging simultaneously. | Use a high-quality cable; ensure device supports fast charging; try charging fewer devices. |
| Magnetic connection is weak. | Non-MagSafe case; thick case; foreign objects. | Use a MagSafe-compatible case or no case; remove any metal objects between charger and phone. |
Specifications
| Model Number | HX100M4 |
| Battery Capacity | 10800 mAh |
| Product Dimensions | 4.4 x 2.8 x 1 inches |
| Item Weight | 7.8 ounces |
| USB-C Input/Output | 25W PD (Power Delivery) |
| USB-A Output | QC4.0 18W |
| Wireless Output (iPhone) | 7.5W (Magnetic) |
| Wireless Output (Apple Watch) | 3W |
| Manufacturer | Dongguan Yuanhaoxun Technology Co., Ltd |
Warranty and Support
The GKUTW HX100M4 Magnetic Portable Charger comes with a 24-month warranty from the date of purchase. This warranty covers manufacturing defects and ensures reliable performance of your device.
For technical support, warranty claims, or any questions regarding your product, please contact GKUTW customer service. Refer to the contact information provided on the product packaging or the official GKUTW website for assistance.
