Introduction
Thank you for choosing the ROMOSS PSP10 10000mAh Portable Charger. This device is designed to provide reliable and efficient power for your mobile devices on the go. Please read this manual carefully to ensure proper usage and optimal performance.

Image: The ROMOSS PSP10 portable charger, showcasing its compact and slim design, easily fitting into pockets or bags. Dimensions are approximately L134.5*W69*H17mm.
Package Contents
- ROMOSS PSP10 Power Bank
- Micro USB Cable
- User Manual
Setup
1. Initial Charging of the Power Bank
Before first use, fully charge your ROMOSS PSP10 power bank. Connect the included Micro USB cable to the power bank's Micro USB input port and the other end to a USB power adapter (not included) or a computer's USB port. The LED display will show the charging progress.

Image: The ROMOSS PSP10 power bank being charged via its input port, illustrating faster charging with a 5V/2.1A input compared to 1A output.
2. Checking Battery Level
The integrated LED power display shows the current battery percentage. Press the power button once to activate the display and view the remaining charge.

Image: A close-up of the ROMOSS PSP10's LED display, showing an accurate 100% battery charge indicator.
Operating Instructions
1. Charging Your Devices
The ROMOSS PSP10 features two USB-A output ports. Connect your device's charging cable to one of the USB-A output ports on the power bank and the other end to your device. The power bank will automatically begin charging your device.
- Output 1: 5V / 2.1A
- Output 2: 5V / 1A
You can charge two devices simultaneously using both output ports.

Image: The ROMOSS PSP10 power bank simultaneously charging an iPhone and a Nintendo Switch, demonstrating its dual device charging capability.
2. Universal Compatibility
This power bank is compatible with a wide range of USB-powered devices, including smartphones, tablets, and other gadgets. It automatically adapts to your device's power consumption for efficient charging.

Image: A person using the ROMOSS PSP10 to charge a smartphone on a table, highlighting its convenience as a travel companion.
Maintenance
- Storage: Store the power bank in a cool, dry place away from direct sunlight and extreme temperatures.
- Cleaning: Use a soft, dry cloth to clean the surface of the power bank. Do not use harsh chemicals or abrasive materials.
- Battery Care: To prolong battery life, fully charge the power bank at least once every three months if not in regular use.
- Avoid Drops: Protect the device from drops and impacts, which can damage internal components.
Troubleshooting
- Power Bank Not Charging: Ensure the charging cable is securely connected to both the power bank's input port and the power source. Try a different cable or power adapter.
- Device Not Charging: Ensure your device's charging cable is securely connected to the power bank's output port and your device. Check if the power bank has sufficient charge. Try a different output port or cable.
- Slow Charging: Ensure you are using a 5V/2.1A output port for faster charging if your device supports it. Check your device's charging cable for damage.
- LED Display Not Working: Press the power button to activate the display. If it remains unresponsive, ensure the power bank is charged.
The ROMOSS PSP10 includes comprehensive security protection features, including over-voltage, over-current, short-circuit, and over-heat protection, to safeguard both the power bank and your connected devices.

Image: An exploded view of the ROMOSS PSP10, highlighting its internal components, 10000mAh battery, dual-USB charging ports, digital power display, and comprehensive security protection features like over-voltage, over-current, short-circuit, and over-heat protection.
Specifications
| Feature | Detail |
|---|---|
| Model Number | PSP10 |
| Battery Capacity | 10000mAh |
| Battery Type | Lithium Polymer |
| Input | USB Type-C, Micro USB |
| Output 1 | 5V / 2.1A |
| Output 2 | 5V / 1A |
| Dimensions | 7.24 x 4.57 x 1.3 inches (approx. L134.5*W69*H17mm) |
| Weight | 7.7 ounces (218g) |
| Special Features | Fast Charging, Portable, LED Display, Comprehensive Security Protection |
Warranty
The ROMOSS PSP10 Portable Charger comes with a 12-month guarantee from the date of purchase. This warranty covers manufacturing defects. Please retain your proof of purchase for warranty claims.
Support
For further assistance, technical support, or warranty inquiries, please contact ROMOSS customer service through the official website or your retailer's support channels. Please have your model number (PSP10) and proof of purchase ready when contacting support.







