1. Introduction
Thank you for choosing the 4smarts Mini Portable USB-C Charger. This compact and stylish power bank is designed to provide convenient on-the-go charging for your USB-C compatible devices. Please read this manual carefully to ensure proper use and optimal performance.
The 4smarts Mini Portable USB-C Charger features a built-in USB-C connector for direct plug-in charging, eliminating the need for extra cables. Its 4500mAh capacity provides reliable backup power, and its compact, lipstick-sized design makes it easy to carry.
2. Package Contents
Upon unboxing your 4smarts Mini Portable USB-C Charger, please ensure all the following items are present:
- 1 x 4smarts Mini Portable USB-C Charger (Model E08)
- 1 x USB-C to USB-C Charging Cable
- 1 x Soft Pouch
- 1 x User Manual (this document)
3. Setup and Initial Use
3.1 Charging the Power Bank
Before first use, fully charge your 4smarts Mini Portable USB-C Charger. Use the provided USB-C to USB-C cable and connect it to a compatible USB-C power adapter (not included). The four LED indicators on the side will show the charging progress and current battery level.
3.2 Checking Battery Level
The power bank features four LED indicators to display its remaining charge:
- 4 LEDs: 75-100% charged
- 3 LEDs: 50-75% charged
- 2 LEDs: 25-50% charged
- 1 LED: 0-25% charged (recharge soon)
4. Operating Instructions
4.1 Charging Your Device (Direct Plug-in)
- Remove the protective cap from the built-in USB-C connector.
- Align the USB-C connector with your device's charging port and firmly plug it in.
- The power bank will automatically begin charging your device. The LED indicators will show the power bank's remaining charge.
4.2 Charging a Second Device (Two-Way Convenience)
While your primary device is charging via the built-in connector, you can also charge a second device. Connect the provided USB-C to USB-C cable to the USB-C input port on the power bank and to your second device. This allows for simultaneous charging.
4.3 Compatibility
This power bank is designed for USB-C compatible devices, including:
- iPhone 16/16 Pro/16 Pro Max/16 Plus
- iPhone 15 series
- Samsung Galaxy S24/S23/S22/S21/S20, Z Flip/Ultra
- Google Pixel 8/7/6
- Other USB-C Android smartphones
Note: This device is not compatible with iPhones that use Lightning ports.
4.4 Fitting with Phone Cases
The design of the built-in USB-C connector allows for charging even when your phone has a protective case, ensuring a secure connection without needing to remove the case.
5. Maintenance and Safety
5.1 Cleaning
Wipe the power bank with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
5.2 Storage
Store the power bank in a cool, dry place away from direct sunlight and extreme temperatures. Use the provided soft pouch to protect it from scratches.
5.3 Safety Precautions
- Do not expose the power bank to water or moisture.
- Avoid dropping or subjecting the device to strong impacts.
- Do not disassemble, modify, or attempt to repair the power bank.
- Keep out of reach of children.
- Do not use if the device is damaged or shows signs of overheating.
6. Troubleshooting
If you encounter any issues with your 4smarts Mini Portable USB-C Charger, please refer to the following common solutions:
| Problem | Solution |
|---|---|
| Device not charging | Ensure the power bank is charged. Check the connection between the power bank and your device. Try a different USB-C cable if using the two-way charging feature. |
| Slow charging | Ensure your device and the power bank are properly connected. Verify that the power bank itself is fully charged. |
| LED indicators not working | Press the power button to activate the indicators. If they still do not light up, the power bank may be fully depleted or require service. |
7. Specifications
- Model Number: E08
- Battery Capacity: 4500 Milliamp Hours (mAh)
- Product Dimensions: 3.15 x 1.9 x 1.17 inches
- Item Weight: 3.52 ounces
- Connector Type: USB Type C (built-in)
- Input/Output: USB-C
- Special Features: Lightweight, Pocket Size, Slim, Super Mini, Ultra Compact
- Manufacturer: Jiangsu Cooostar Technology Co.,Ltd
- Date First Available: June 4, 2024
8. Warranty and Support
4smarts is committed to delivering innovative, quality electronic accessories. For warranty information or technical support, please refer to the contact details provided in the original product packaging or visit the official 4smarts website. You can also reach out to customer service via the following:
- Support Email: support@iwalkworld.com
- Service Phone (US): 1-888-801-8888 (M-F 9:00-17:00 PST)
- Service Phone (UK): +44-808-175-0000 (M-F 9:00-17:00 GMT)
