1. Introduction
Thank you for choosing the ROMOSS Sense 4S Pro 10000 mAh 30W Fast Charging Power Bank. This portable power bank is designed to provide efficient and rapid charging for a wide range of electronic devices, including smartphones, tablets, and other small gadgets. With its high capacity, multiple fast-charging protocols, and compact design, it is an ideal companion for daily use and travel.
Image: ROMOSS Sense 4S Pro Power Bank highlighting 10000mAh capacity, 30W dual-channel fast charging, 30W Hyper Charge, 3 input/3 output ports, 245g weight, and a 1-year warranty.
2. Package Contents
Please check the package contents upon unboxing:
- ROMOSS Sense 4S Pro Power Bank (10000 mAh, 30W)
- USB Charging Cable
- User Manual
Image: The product package showing the power bank, a USB charging cable, and the user manual.
3. Specifications
| Feature | Detail |
|---|---|
| Product Name | Fast Charging Power Bank |
| Model No. | PPH10-291 |
| Capacity | 10000mAh / 37Wh |
| Battery Type | Li-Polymer Battery |
| Input Interface | Micro USB, USB Type-C, Lightning |
| Input (Lightning / Micro USB) | 5V=2A or 9V=2A |
| Input (Type-C) | 5V=3A or 9V=3A or 12V=2.5A or 15V=2A or 20V=1.5A |
| Output Interface | USB-A (x2), USB Type-C |
| Output (Type-C) | 5V=3A or 9V=3A or 12V=2.5A or 15V=2A or 20V=1.5A |
| Output (Single USB-A Port) | 4.5V=5A or 5V=4.5A or 9V=2A or 12V=1.5A |
| Total Output | 5V=3A |
| Max Output | 30W |
| Support Quick Charge Technology | Two-way Quick Charge (PD2.0, QC3.0) |
| Shell Material | Plastic |
| Features | With LED Lamp (Battery Indicator) |
| Size | ~L110.6 x W63.5 x H24.8mm |
| Weight | ~245g |
| Certification | RoHS, CE, FCC, UN 38.3 |
Image: A table summarizing the product specifications including model number, capacity, input/output details, size, and weight.
4. Setup and Initial Use
4.1 Charging the Power Bank
Before first use, it is recommended to fully charge your ROMOSS Sense 4S Pro Power Bank. Use a compatible fast charger and one of the input ports (Micro USB, Lightning, or USB Type-C) to recharge the power bank.
- Fast Recharging: With a 30W compatible charger, the power bank can be fully recharged in approximately 2.3 hours.
- LED Indicators: The LED lights on the power bank indicate the current battery level. Four illuminated LEDs typically mean a full charge.
Image: The power bank connected to a wall adapter for recharging, with a graph illustrating that a full charge takes about 2.3 hours with 30W input.
4.2 Understanding the Ports
The power bank features multiple ports for versatile charging:
- Input & Output Port: 1x USB Type-C (supports both charging the power bank and charging devices)
- Input Ports: 1x Micro USB, 1x Lightning (for charging the power bank)
- Output Ports: 2x USB-A (for charging devices)
Image: A detailed diagram showing the location and type of each port on the power bank: Type-C (Input & Output), Micro USB (Input), Lightning (Input), and two USB-A (Output) ports.
5. Operating Instructions
5.1 Charging Your Devices
Connect your device to one of the power bank's output ports (USB-A or USB Type-C) using a compatible charging cable. The power bank will automatically detect your device and begin charging.
- Fast Charging Compatibility: The Sense 4S Pro supports various fast charging protocols, including PD30W/27W/20W/18W for Apple devices, Samsung AFC 25W, Huawei SCP 22.5W/FCP 18W, and Xiaomi QC 18W.
- Simultaneous Charging: You can charge up to three devices concurrently using the available output ports.
Image: Illustrates fast charging performance for Apple devices, showing charging times for iPad Pro, MacBook Air, iPhone 13 Pro Max, iPhone 13, and iPhone 12.
Image: A chart detailing compatibility with fast charging protocols for Samsung, Huawei, and Xiaomi devices.
Image: The power bank simultaneously charging three smartphones, demonstrating its multi-device charging capability.
5.2 Low-Current Charging Mode
For small electronic devices like Bluetooth headsets, smartwatches, or fitness trackers, the power bank supports a low-current charging mode to ensure safe and optimized charging without overcharging or damaging the device's battery.
Image: The power bank providing low-current charging to a smartwatch and Bluetooth earbuds.
6. Safety Information
6.1 Built-in Protection
The ROMOSS Sense 4S Pro is equipped with a smart chip that provides 10 layers of protection to ensure safety during the charging process:
- Over-charge Protection
- Over-current Protection
- Reset Protection
- Over-temperature Protection
- Over-voltage Protection
- Over-discharge Protection
- Anti-reverse Protection
- Power-surge Protection
- Short-circuit Protection
- RFI Protection
Image: A visual representation of the power bank's smart chip and its 10 integrated safety protection features.
6.2 International Safety Standards
This power bank is certified by international safety standards, ensuring its reliability and safety for use:
- CE: Complies with European Union safety directives.
- RoHS: Complies with European Union restrictions on hazardous substances.
- FCC: Complies with United States electromagnetic compatibility standards.
- UN 38.3: Complies with United Nations recommendations on the transport of dangerous goods (lithium batteries).
Image: Icons representing CE, RoHS, FC, and UN 38.3 certifications.
6.3 Air Travel Compliance
The ROMOSS Sense 4S Pro complies with international air transport standards, allowing it to be carried on planes without problems. Always check with your airline for specific regulations regarding portable power banks before traveling.
Image: The power bank positioned inside an airplane window, indicating its suitability for air travel.
7. Maintenance
- Keep the power bank away from extreme temperatures, direct sunlight, and humid environments.
- Avoid dropping, hitting, or disassembling the device.
- Clean the power bank 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 long-term storage, it is recommended to charge it to about 50-75% every three months to preserve battery health.
- Do not expose the power bank to water or other liquids.
8. Troubleshooting
- Power bank not charging: Ensure the charging cable and wall adapter are functioning correctly and are securely connected. Try a different cable or adapter.
- Device not charging from power bank: Check if the power bank has sufficient charge. Ensure the charging cable connecting your device to the power bank is not damaged and is properly inserted. Try a different cable or output port.
- Slow charging: Verify that both the power bank and your device support fast charging protocols and that you are using a compatible fast-charging cable. Some devices may limit charging speed if they are too hot or cold.
- LED indicators not working: If the power bank is unresponsive, try connecting it to a power source for a few minutes. If the issue persists, contact customer support.
9. User Tips
- For optimal fast charging, use high-quality cables that support the specific fast charging protocols (e.g., PD, QC) of your devices and the power bank.
- When traveling, remember to carry the power bank in your carry-on luggage, not checked luggage, as per airline regulations.
- To maximize the lifespan of the power bank's battery, avoid completely draining it or leaving it fully charged for extended periods.
- The low-current charging mode is ideal for sensitive devices like wireless earbuds and smartwatches, preventing potential overcurrent issues.
10. Warranty and Support
10.1 Warranty Information
ROMOSS provides a 12-month free maintenance warranty for this product. During the warranty period, if any part requires replacement due to manufacturing defects, the buyer is responsible for shipping costs for return and any costs for parts to be replaced. Please contact customer service for warranty claims and return procedures.
10.2 Customer Support
For any questions, technical assistance, or support regarding your ROMOSS Sense 4S Pro Power Bank, please contact the seller or ROMOSS customer service. Refer to the product packaging or the seller's store page for contact details.
