1. Introduction
Thank you for choosing the AONIMI Portable Charger HX100J3. This device is a versatile 13800mAh power bank designed for convenient charging of your electronic devices on the go. It features built-in charging cables and an integrated AC wall plug for easy recharging.
2. Product Overview
2.1 Key Features
- 13800mAh Capacity: Provides multiple charges for most smartphones.
- Built-in AC Wall Plug: Allows direct recharging from a wall outlet without an adapter.
- Built-in Charging Cables: Includes a USB-C cable and another universal charging cable (compatible with Lightning devices) for direct device charging.
- Multiple Output Ports: Features a USB-A output port and a USB-C input/output port.
- LCD Digital Display: Shows the exact remaining battery percentage.
- Pass-Through Charging: Charge the power bank and connected devices simultaneously.
- Multi-Protection System: Safeguards against over-discharge, over-charge, short-circuit, and overheating.
2.2 Components and Ports
Familiarize yourself with the various components of your AONIMI Portable Charger:

Image 1: Overview of the AONIMI Portable Charger's features, including the foldable AC wall plug, built-in USB-C cable, built-in universal cable, USB-C input/output port, and USB-A output port.
- Foldable AC Wall Plug: Located on the side, used for recharging the power bank directly from a wall outlet.
- Built-in USB-C Cable: Integrated cable for charging USB-C compatible devices.
- Built-in Universal Cable: Integrated cable for charging devices with a different connector type (e.g., Lightning).
- USB-C Input/Output Port: A versatile port for both charging devices and recharging the power bank.
- USB-A Output Port: Standard USB port for charging devices using your own USB-A cable.
- LCD Digital Display: Shows the battery percentage and charging status.
3. Setup
3.1 Initial Charging of the Power Bank
Before first use, it is recommended to fully charge your AONIMI Portable Charger. There are two methods for recharging:

Image 2: The AONIMI Portable Charger being recharged using its built-in AC wall plug and via a USB-C cable.
- Using the Built-in AC Wall Plug:
Fold out the integrated AC wall plug and insert it directly into a standard wall outlet. The LCD display will show the charging progress. A full charge takes approximately 4.5 hours. - Using the USB-C Input Port:
Connect a USB-C charging cable (one is included) to the power bank's USB-C input/output port and the other end to a compatible USB wall adapter (not included). A full charge takes approximately 5 hours.
The LCD display will show "100%" when fully charged.
4. Operating Instructions
4.1 Charging Your Devices
The AONIMI Portable Charger can charge up to four devices simultaneously using its various output options:

Image 3: The AONIMI Portable Charger charging four different devices simultaneously.
- Using Built-in Cables:
Extend the built-in USB-C cable or the built-in universal cable and connect it directly to your compatible device. - Using USB-A Output Port:
Connect your device's charging cable (USB-A to your device's connector) to the USB-A output port on the power bank. - Using USB-C Output Port:
Connect your device's USB-C to USB-C charging cable to the power bank's USB-C input/output port.
Press the power button on the power bank to initiate charging if it does not start automatically. The LCD display will show the remaining battery percentage.
4.2 Recharging the Power Bank While Charging Devices (Pass-Through Charging)

Image 4: The power bank charging a device using its built-in cables, and simultaneously recharging itself and a device via the AC wall plug.
The AONIMI Portable Charger supports pass-through charging. This means you can recharge the power bank itself while it is simultaneously charging your connected devices. Simply plug the power bank into a wall outlet using its built-in AC plug or a USB-C cable, and connect your devices as described above.
5. Universal Compatibility
The AONIMI Portable Charger is designed for broad compatibility with a wide range of smart devices:

Image 5: Examples of compatible devices, including iPhone/iPad series and various Type-C smartphones and tablets.
It is compatible with most smartphones and tablets, including but not limited to:
- iPhone series (e.g., iPhone 14, 13, 12, 11, X, SE, 8 Plus)
- iPad series (e.g., iPad Air, iPad Pro)
- Samsung Galaxy series (e.g., S22, S21, S20, S10, S9, Note series)
- Google Pixel series (e.g., Pixel 5, 4, 3)
- LG, Moto, and other Android devices
- Wireless earbuds (e.g., Apple AirPods Pro/AirPods)
6. Maintenance and Safety
6.1 General Care
- Keep the power bank away from extreme temperatures, direct sunlight, and liquids.
- Do not drop, disassemble, or attempt to repair the device yourself.
- Clean the device with a soft, dry cloth. Avoid using harsh chemicals.
- Store in a cool, dry place when not in use.
6.2 Safety Precautions
- Do not expose the power bank to fire or water.
- Avoid using damaged cables or adapters.
- Keep out of reach of children.
- If the power bank becomes excessively hot, swells, or emits an unusual odor, discontinue use immediately and contact customer support.
- Dispose of the product responsibly according to local regulations.
7. Troubleshooting
7.1 Power Bank Not Charging
- Ensure the AC wall plug is fully inserted into a live outlet or the USB-C charging cable is securely connected to both the power bank and a functional power source.
- Verify the wall outlet or USB adapter is working correctly.
- Check for any visible damage to the power bank or charging cables.
7.2 Devices Not Charging
- Ensure the power bank has sufficient charge (check the LCD display).
- Verify that the charging cables (built-in or external) are securely connected to both the power bank and your device.
- Press the power button on the power bank to activate charging.
- Try a different charging port or cable to rule out a faulty connection.
- Confirm your device is compatible with the power bank's output specifications.
7.3 Slow Charging
- Ensure you are using appropriate cables for fast charging if your device supports it.
- Charging multiple devices simultaneously may reduce the charging speed for each device.
- Environmental factors (e.g., extreme temperatures) can affect charging efficiency.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | HX100J3 |
| Battery Capacity | 13800mAh (51.06Wh) |
| Power Output | 15W (Max) |
| Inputs | AC Wall Plug, USB-C Port (5V/3A) |
| Outputs | USB-A Port, USB-C Port (5V/3A), Built-in USB-C Cable, Built-in Universal Cable |
| Recharging Time (AC Plug) | Approx. 4.5 hours |
| Recharging Time (USB-C) | Approx. 5 hours |
| Dimensions | 6.2 x 2.79 x 0.78 inches |
| Weight | 330g |
9. What's in the Box
- 1 x AONIMI Portable Charger Power Bank
- 1 x USB-C Charging Cable
- 1 x User Manual (this document)
10. Warranty and Support
Your AONIMI Portable Charger HX100J3 comes with a 3-year warranty. If you encounter any issues or have questions regarding your product, please do not hesitate to contact our customer service team. We offer 24-hour friendly customer support to assist you.
For support, please refer to the contact information provided with your purchase or visit the official AONIMI website.