ROMOSS Portable Charger User Manual (Model: PPB10-251)

Introduction

This manual provides essential instructions for the safe and efficient use of your ROMOSS Portable Charger, Model PPB10-251. Please read this manual thoroughly before operating the device and retain it for future reference.

Image: The ROMOSS Portable Charger (Model PPB10-251) in black, shown with a USB-A to USB-C charging cable. The power bank features a sleek design with LED indicators and multiple ports.

Package Contents

Verify that all items are present in your package:

• 1 x ROMOSS 10,000mAh Portable Charger (Model: PPB10-251)
• 1 x USB-A to USB-C Charging Cable
• 1 x User Manual

Note: The portable charger may be shipped in either black or white color randomly.

Image: A visual representation of the package contents, including the ROMOSS power bank, a USB-A to USB-C cable, and the user manual, alongside the product box.

Product Overview

The ROMOSS PPB10-251 is a slim, high-capacity portable charger designed for efficient and safe power delivery to various electronic devices. It features two-way fast charging capabilities and a low current mode for sensitive electronics.

Key Features:

• 10,000mAh Capacity: Provides multiple charges for smartphones and other devices.
• 22.5W Fast Charging: Delivers rapid power output.
• USB-C In & Out: Supports 20W output and 18W input for versatile charging and recharging.
• Low Current Mode: Optimized for charging small devices like wireless earbuds and smartwatches.
• Safety Protections: Equipped with 10 built-in safety features.
• Airline Compliant: Approved for carry-on during air travel.

Image: Diagram illustrating the 4 LED indicators for battery level (100%, 75%, 50%, 25%) and the functions of the multi-function button: single press to check battery, double press to activate/deactivate low-current mode.

Setup and Initial Use

Charging the Power Bank:

1. Connect the provided USB-A to USB-C cable to a compatible USB wall adapter (not included).
2. Insert the USB-C end of the cable into the USB-C input port on the power bank.
3. The LED indicators will illuminate to show the charging progress. All four LEDs will be solid when fully charged.

It is recommended to fully charge the power bank before its first use.

Image: Illustration showing the ROMOSS power bank being recharged by connecting its USB-C input port to a wall adapter using a USB-C cable, indicating an 18W input.

Operating Instructions

Charging Your Devices:

1. Connect your device's charging cable to the appropriate output port on the power bank (USB-A or USB-C).
2. Connect the other end of the cable to your device.
3. The power bank will automatically begin charging your device. The LED indicators will show the remaining battery level.

Image: The ROMOSS power bank simultaneously charging a smartphone and wireless earbuds, demonstrating its ability to charge two devices efficiently using its USB-C and USB-A ports.

Checking Battery Level:

Press the power button once to view the current battery level indicated by the LED lights.

• 4 LEDs: 75% - 100%
• 3 LEDs: 50% - 75%
• 2 LEDs: 25% - 50%
• 1 LED: 0% - 25%

Low Current Mode:

This mode is suitable for charging low-power devices such as wireless earbuds, smartwatches, and fitness trackers.

• To activate: Double-click the power button.
• To deactivate: Double-click the power button again.

Image: The ROMOSS power bank shown alongside various small devices like wireless earbuds, a smartwatch, and a fitness tracker, illustrating its low-current mode for safe charging of these delicate electronics.

Maintenance and Safety

• Keep the power bank away from water, fire, and extreme temperatures.
• Do not disassemble, puncture, or modify the device.
• Avoid dropping or subjecting the power bank to strong impacts.
• Clean the device with a dry, soft cloth. Do not use corrosive cleaners.
• Store in a cool, dry place when not in use.
• The power bank is equipped with 10 built-in safety protections to prevent overcharging, over-discharging, over-current, short circuits, and overheating.
• This device is airline-compliant and approved for carry-on luggage.

Troubleshooting

Power bank not charging:

• Ensure the charging cable is securely connected to both the power bank's input port and the wall adapter.
• Verify that the wall adapter is functioning correctly and connected to a live power outlet.
• Try using a different USB-C cable or wall adapter.

Device not charging from power bank:

• Check if the power bank has sufficient charge (press the power button to check LEDs).
• Ensure your device's charging cable is securely connected to both the power bank's output port and your device.
• Try using a different charging cable for your device.
• If charging a small device, ensure Low Current Mode is activated.

Slow charging:

• Ensure you are using a fast-charging compatible cable and your device supports fast charging.
• Check if the power bank is in Low Current Mode, which provides slower charging. Deactivate it if not needed for small devices.

Specifications

Warranty and Support

Your ROMOSS Portable Charger is covered by a 12-month warranty from the date of purchase.

For warranty claims, technical support, or customer service inquiries, please contact ROMOSS customer support through the retailer where the product was purchased or visit the official ROMOSS website.

Please have your model number (PPB10-251) and proof of purchase ready when contacting support.