1. Introduction
Thank you for choosing the Ekrist 10800mAh Portable Charger. This manual provides essential information for the safe and efficient use of your power bank. Please read it thoroughly before operation and retain it for future reference.
This portable charger is designed to provide convenient power on the go for your USB-C compatible devices, featuring a built-in USB-C cable, additional USB-A and USB-C ports, and an LCD display for battery status.

Image 1.1: Ekrist Portable Charger in use with a smartphone.
2. Product Overview
2.1 Package Contents
- Ekrist 10800mAh Portable Charger (Model HX90X1)
- USB-A to USB-C Charging Cable
- User Manual (this document)
2.2 Features
- 10800mAh High Capacity: Provides multiple charges for most smartphones.
- Built-in USB-C Cable: Conveniently charge compatible devices without carrying an extra cable.
- 15W PD Fast Charging: Supports Power Delivery for rapid charging and recharging.
- LCD Digital Display: Clearly shows the remaining battery percentage.
- Multi-Device Charging: Charge up to three devices simultaneously using the built-in USB-C cable, USB-A output, and USB-C input/output port.
- Pass-Through Charging: Recharge the power bank while it charges your devices.
- Compact and Portable Design: Credit card-sized for easy carrying.
- Multi-Protection Safety System: Includes over-charge, over-voltage, over-current, short-circuit, and over-discharge protection.

Image 2.1: Detailed view of the Ekrist Portable Charger's features and ports.
3. Setup
3.1 Initial Charge
Before first use, fully charge your Ekrist portable charger. This ensures optimal battery performance and accuracy of the LCD display.
- Connect the provided USB-A to USB-C cable to a compatible USB wall adapter (not included).
- Insert the USB-C end of the cable into the USB-C Input/Output port on the portable charger.
- The LCD display will show the charging progress, indicating 100% when fully charged. A full recharge typically takes less than 4 hours with a 5V-2A wall adapter.
4. Operating Instructions
4.1 Charging the Portable Charger
To recharge the power bank:
- Use the provided USB-A to USB-C cable or any compatible USB-C cable.
- Connect the cable to the USB-C Input/Output port on the power bank and a power source (e.g., wall adapter, computer USB port).
- The LCD display will show the battery percentage increasing as it charges.
4.2 Charging Your Devices
The Ekrist portable charger offers multiple ways to charge your devices:
Using the Built-in USB-C Cable:
- Pull out the built-in USB-C cable from its storage slot.
- Connect the USB-C connector directly to your USB-C compatible device.
- The power bank will automatically begin charging your device. The LCD display will show the power bank's remaining charge.

Image 4.1: Charging a device using the built-in USB-C cable.
Using the USB-A Output Port:
- Connect your device's USB charging cable (USB-A end) to the USB-A Output port on the power bank.
- Connect the other end of your cable to your device.
- Charging will commence automatically.
Using the USB-C Input/Output Port:
- Connect your device's USB-C charging cable to the USB-C Input/Output port on the power bank.
- Connect the other end of your cable to your device.
- Charging will commence automatically.
4.3 Charging Multiple Devices
The power bank can charge up to three devices simultaneously using the built-in USB-C cable, the USB-A output port, and the USB-C input/output port.

Image 4.2: Charging multiple devices simultaneously.
4.4 Pass-Through Charging
The power bank supports pass-through charging, allowing you to recharge the power bank itself while it is simultaneously charging your devices.

Image 4.3: Pass-through charging in action.
4.5 LCD Display
The integrated LCD display shows the remaining battery percentage of the power bank. This allows you to monitor the charge level and know when to recharge the unit.
5. Maintenance
- Cleaning: Use a soft, dry cloth to clean the surface of the power bank. Avoid using harsh chemicals or abrasive materials.
- Storage: Store the power bank in a cool, dry place away from direct sunlight, extreme temperatures, and humidity.
- Battery Care: To prolong battery life, fully charge the power bank at least once every three months if not in regular use.
- Avoid Drops: Do not drop or subject the power bank to strong impacts.
6. Troubleshooting
- Device not charging:
- Ensure the power bank has sufficient charge (check LCD display).
- Verify that the cable connections are secure.
- Try a different charging cable or port.
- Confirm your device is compatible with the power bank's output.
- Power bank not recharging:
- Ensure the charging cable is properly connected to a working power source.
- Try a different USB wall adapter or power source.
- Use the provided USB-A to USB-C cable for recharging.
- Slow charging:
- Ensure your device and cable support fast charging.
- Avoid charging multiple devices simultaneously if faster charging for one device is critical.

Image 6.1: Multi-protection features for safe operation.
7. Specifications
| Feature | Specification |
|---|---|
| Model Number | HX90X1 |
| Battery Capacity | 10800mAh |
| USB-C Input/Output | 5V/3A (15W PD) |
| Built-in USB-C Cable Output | 5V/3A |
| USB-A Output | 5V/2.1A |
| Product Dimensions | 3.66 x 2.16 x 0.86 inches |
| Item Weight | 6.8 ounces |
| Battery Type | Lithium Polymer |
8. Warranty and Support
Your Ekrist portable charger comes with a 90-day full refund policy and a 3-year worry-free replacement warranty.
If you encounter any issues or have questions regarding your product, please do not hesitate to contact our customer support team. We are committed to providing prompt assistance.
For support, please refer to the contact information provided on the product packaging or the official Ekrist website.