Introduction
This manual provides detailed instructions for the safe and efficient use of your ROMOSS 10000mAh Mini Portable Charger, model PAS10. This compact power bank is designed to provide portable power for your electronic devices, featuring a 10000mAh capacity, dual USB outputs, and a clear digital LED display for battery status.

Image: The ROMOSS PAS10 portable charger, demonstrating its small form factor when held in a hand. The digital display shows a full charge of 100%.
Product Overview
The ROMOSS PAS10 is a compact and efficient portable charger. Key features include:
- 10000mAh Capacity: Provides multiple charges for most smartphones.
- Digital LED Display: Shows the exact battery percentage from 0% to 100%.
- Dual USB Outputs: Allows charging of two devices simultaneously at 2.1A.
- Multiple Inputs: Recharge the power bank using Micro USB or Type-C cables.
- Compact Design: Small and lightweight for easy portability.

Image: A visual comparison highlighting the precision of the ROMOSS digital LED display (showing '100') against a less precise LED dot indicator found on other power banks.
Initial Setup
- First Use: Before the first use, it is recommended to fully discharge the power bank. This activates the display LED and ensures optimal performance.
- Full Recharge: After fully discharging, fully recharge the power bank to 100% before using it to charge other devices.
Operating Instructions
1. Charging the Power Bank
The ROMOSS PAS10 offers flexible recharging options. You can use either a Micro USB cable or a Type-C cable to recharge the power bank. A Micro USB cable is typically included with the product.
- Connect a Micro USB cable to the Micro USB input port (labeled '1' in the image below) on the power bank and to a USB power adapter.
- Alternatively, connect a Type-C cable to the Type-C input port (labeled '2' in the image below) on the power bank and to a USB power adapter.
- The digital LED display will show the charging progress.

Image: A detailed view of the power bank's input and output ports. It highlights the Micro USB (1) and Type-C (2) input ports, along with two USB-A output ports. Separate illustrations show how to connect Micro USB and Type-C cables for recharging.
2. Charging External Devices
The power bank features dual USB outputs to charge your devices.
- Connect your device's USB charging cable to one of the USB output ports on the power bank.
- Connect the other end of the cable to your device.
- The power bank will automatically begin charging your device. The digital LED display will show the remaining battery percentage.
- You can charge two devices simultaneously using both USB output ports.

Image: This image illustrates the charging capabilities of the ROMOSS power bank, showing it connected to several smartphones. Text overlays indicate that it can provide approximately 4 charges for an iPhone 8, 2.6 for a Samsung S9, 2.3 for a Huawei P20, and 2.5 for a Sony XZ2.
3. Checking Battery Level
The digital LED display provides an accurate percentage of the power bank's remaining battery. Simply press the power button once to activate the display and view the current charge level.
Product Demonstration Video
Video: A demonstration of the ROMOSS 10000mAh Mini Portable Charger, showcasing its features such as the LED digital display, dual USB outputs, and multiple input options for recharging. The video illustrates how to charge devices and recharge the power bank efficiently.
Safety Information
- Do not expose the power bank to extreme temperatures, direct sunlight, or fire.
- Avoid dropping or subjecting the power bank to strong impacts.
- Do not disassemble, repair, or modify the power bank yourself.
- Keep the power bank away from water and other liquids.
- Ensure proper ventilation when charging or discharging.
- The power bank includes multiple circuit protection to prevent overloads, excessive currents, short circuits, and overheating.
- If the power bank is not recharging, click the power button or reinsert the cable to activate the charger.
Specifications
| Feature | Detail |
|---|---|
| Model Number | PAS10 |
| Battery Capacity | 10000 Milliamp Hours (mAh) |
| Inputs | Micro USB, Type-C (2.1A) |
| Outputs | Dual USB (2.1A) |
| Display | Digital LED (0-100%) |
| Product Dimensions | 3.68 x 0.96 x 2.5 inches |
| Item Weight | 6.9 ounces |
| Battery Type | Lithium Polymer (included) |
Troubleshooting
- Power Bank Not Recharging: If the power bank is not charging, ensure the charging cable is securely connected. Press the power button once or reinsert the charging cable to activate the charging process.
- Digital Display Not Activating: For first-time use, fully discharge the power bank before recharging to activate the display LED. If the display stops working after some time, ensure the power bank is not completely depleted or try recharging it.
- Slow Charging: Ensure you are using a compatible charging cable and a power adapter that provides sufficient output (e.g., 2.1A).
Warranty and Support
This ROMOSS product includes a One Year Warranty from the date of purchase. For any inquiries or support needs, please contact our customer support team. We provide customer support 12 hours a day to assist you.
For further assistance, please visit the official ROMOSS website or contact your retailer.





