1. Introduction
Thank you for choosing the AONIMI 13800mAh Portable Charger. This versatile power bank is designed for convenience and efficiency, featuring built-in charging cables and an integrated AC wall plug for easy recharging. With multiple output options, it can simultaneously charge up to four devices, making it an ideal companion for travel and daily use.

Image: The AONIMI Portable Charger, showcasing its compact design with built-in cables and an integrated AC wall plug for direct charging from an outlet.
2. What's in the Box
Please check the package contents upon unboxing:
- 1 x AONIMI 13800mAh Portable Charger with Built-in Cables and AC Wall Plug
- 1 x USB-C Charging Cable
- 1 x User Manual
3. Key Features
- Integrated Cables & AC Wall Plug: Features built-in USB-C and other type cables, plus an AC wall plug for direct recharging from an outlet, eliminating the need for extra cables or adapters.
- Four Output Options: Equipped with two built-in charging cables, an additional USB-C input/output port, and a USB-A output port, allowing simultaneous charging of up to four devices.
- High-Speed Charging: The 15W PD USB-C port supports both input and output, providing 3.0A high-speed charging for your devices and quick recharging of the power bank itself.
- Universal Compatibility: Directly compatible with a wide range of mobile phones and devices via built-in cables and additional ports.
- Dual Recharging Methods: Can be fully recharged via the built-in AC wall plug in approximately 4.5 hours, or via a USB-C charging cable in about 5 hours.
- Multiple Protection & Pass-Through Charging: Built-in intelligent chip protects against over-discharge, over-charge, short-circuit, and overheating. Supports pass-through charging, allowing you to charge devices while recharging the power bank.
- Compact & Portable: Weighs 260g (10.8 ounces) and measures 6.49 x 3.11 x 0.9 inches, making it highly portable and suitable for air travel.

Image: Detailed diagram illustrating the built-in USB-C and other type cables, the foldable AC wall plug, and the USB-C input/output and USB-A output ports.

Image: Visual representation of the power bank's compact size (6.49 x 3.11 x 0.9 inches, 260g) and the convenience of its built-in AC wall plug for direct recharging.
4. Setup and Initial Charging
4.1 Checking Battery Level
To check the current battery percentage of your AONIMI Portable Charger, simply press the power button located on the device. The LCD display will illuminate, showing the remaining charge.
4.2 Recharging the Power Bank
Your power bank can be recharged using two convenient methods:
- Via Built-in AC Wall Plug:
Fold out the integrated AC wall plug and insert it directly into a standard wall outlet. The power bank will begin recharging automatically. A full charge typically takes approximately 4.5 hours.
- Via USB-C Charging Cable:
Connect the provided USB-C charging cable to the USB-C input/output port on the power bank. Connect the other end of the cable to a compatible USB power adapter (not included). A full charge typically takes approximately 5 hours.

Image: Demonstrates the two methods for recharging the power bank: directly into a wall outlet using the built-in AC plug, and via a USB-C cable connected to a power adapter.
5. Operating Instructions
5.1 Charging Your Devices
The AONIMI Portable Charger offers four output options to charge your devices:
- Built-in USB-C Cable: Pull out the integrated USB-C cable and connect it to your USB-C compatible device.
- Built-in Other Type Cable: Pull out the integrated other type cable and connect it to your compatible device (e.g., iPhone).
- USB-C Output Port: Use your own USB-C to USB-C cable or USB-C to Lightning cable and connect it to the power bank's USB-C port and your device.
- USB-A Output Port: Use your own USB-A compatible cable and connect it to the power bank's USB-A port and your device.
You can charge up to four devices simultaneously using any combination of the available output options. The power bank will automatically detect and begin charging your connected devices.
5.2 Pass-Through Charging
This power bank supports pass-through charging. This means you can recharge the power bank itself while it simultaneously charges your connected devices. Simply plug the power bank into a wall outlet or via USB-C cable, and then connect your devices to the power bank's output ports.

Image: The power bank actively charging an iPhone, a Samsung phone, an iPad, and AirPods simultaneously, demonstrating its multi-device charging capability.
6. Universal Compatibility
The AONIMI Portable Charger is designed for broad compatibility with various mobile devices. The built-in cables and additional ports support a wide range of smartphones, tablets, and other USB-powered gadgets.
- Built-in USB-C Cable: Compatible with iPhone 16/16 Plus/16 Pro/16 Pro Max/15/15 Plus/15 Pro/15 Pro Max, Galaxy S22/S23/S24 Series, Google Pixel, LG, Moto, tablets, Android devices, and other USB-C devices.
- Built-in Other Type Cable: Compatible with iPhone 14/14 Plus/14 Pro/14 Pro Max, iPhone 13/13 Pro/13 Pro Max/12/12 Pro/12 Pro Max, iPhone 11/XR/XS Max/8/8 Plus/7/7 Plus/6/6s/6 Plus.
- USB-C & USB-A Ports: Use your own charging cables to connect to these ports for charging other smart devices.

Image: A visual guide to the power bank's universal compatibility, showing various iPhone/iPad models, Samsung Galaxy phones, Google Pixel, LG, and other USB-C devices.
7. Maintenance and Care
- Keep the power bank away from extreme temperatures (hot or cold) and direct sunlight.
- Avoid dropping or subjecting the device to strong impacts.
- Do not expose the power bank to water or moisture. If it gets wet, discontinue use immediately.
- 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.
- For optimal battery life, fully charge and discharge the power bank at least once every three months if not used regularly.
8. Troubleshooting
8.1 Power Bank Not Charging
- Ensure the AC wall plug is fully inserted into a live outlet.
- If using the USB-C cable, ensure both ends are securely connected and the power adapter is functioning correctly.
- Check if the power bank's battery is completely depleted. It may take a few minutes for the display to light up.
8.2 Device Not Charging from Power Bank
- Ensure the power bank has sufficient charge (check the LCD display).
- Verify that the charging cable (built-in or external) is securely connected to both the power bank and your device.
- Try a different charging cable or output port on the power bank.
- Ensure your device is compatible with the power bank's output specifications.
8.3 Slow Charging
- Ensure you are using appropriate cables for fast charging (e.g., PD compatible cables for USB-C PD output).
- Charging multiple devices simultaneously may reduce the charging speed for individual devices.
- Check your device's charging input requirements.
9. Specifications
| Feature | Detail |
|---|---|
| Model Number | HX100J3 |
| Battery Capacity | 13800mAh |
| Battery Type | Lithium Polymer |
| Product Dimensions | 6.39 x 3.09 x 0.89 inches |
| Item Weight | 10.8 ounces |
| USB-C Input/Output | 15W PD (Power Delivery) |
| USB-A Output | Standard (details not specified, assuming 5V/2.1A from feature bullets) |
| AC Wall Plug Recharging Time | Approx. 4.5 hours |
| USB-C Cable Recharging Time | Approx. 5 hours |
10. Warranty and Support
AONIMI provides a 3-year warranty for this portable charger. For any questions or support needs, please feel free to contact our friendly customer service, available 24 hours a day.
Contact information for support is typically found on the product packaging or the official AONIMI website.