1. Introduction
Thank you for choosing the 4smarts VoltHub Pro 20000 mAh Power Bank. This device is designed to provide portable power for your mobile devices, ensuring you stay connected on the go. This manual provides essential information for safe and efficient use of your power bank.
Image 1.1: The 4smarts VoltHub Pro Power Bank, showcasing its sleek design.
2. Safety Information
- Do not expose the power bank to extreme temperatures, direct sunlight, or fire.
- Avoid dropping, disassembling, or attempting to repair the device yourself.
- Keep the power bank away from water and other liquids.
- Use only certified charging cables and adapters.
- Keep out of reach of children.
- Dispose of the power bank responsibly according to local regulations.
3. Package Contents
Please check the package for the following items:
- 4smarts VoltHub Pro 20000 mAh Power Bank
- USB-C to USB-C Charging Cable
- Carrying Pouch
- User Manual
Image 3.1: Contents of the 4smarts VoltHub Pro Power Bank package, including the power bank, cable, pouch, and manual.
4. Product Overview
Familiarize yourself with the ports and indicators on your 4smarts VoltHub Pro Power Bank:
Image 4.1: Close-up view of the power bank's ports and digital display.
- OUT1 (USB-A Port): Output port for charging devices.
- OUT2 (USB-A Port): Output port for charging devices.
- IN1 (USB-C Port): Input port for charging the power bank, also supports output.
- IN2 (USB-C Port): Input port for charging the power bank, also supports output.
- Digital Display: Shows the remaining battery percentage.
- Power Button: Press once to check battery level or activate charging.
5. Setup
5.1 Initial Charging
Before first use, fully charge your 4smarts VoltHub Pro Power Bank. Connect the included USB-C cable to one of the IN (USB-C) ports on the power bank and the other end to a suitable USB wall charger (not included). The digital display will show the charging progress. Once it reaches 100%, the power bank is fully charged and ready for use.
6. Operating Instructions
6.1 Charging Your Devices
- Connect your device's charging cable to one of the OUT (USB-A) ports or IN (USB-C) ports on the power bank.
- Connect the other end of the cable to your device.
- The power bank will automatically begin charging your device. If not, press the power button once.
- The digital display will show the power bank's remaining battery level.
6.2 Recharging the Power Bank
- Connect the included USB-C cable or another compatible USB-C cable to one of the IN (USB-C) ports on the power bank.
- Connect the other end of the cable to a USB wall charger or a computer's USB port.
- The digital display will show the charging percentage, indicating the power bank is being recharged.
6.3 Pass-Through Charging
The 4smarts VoltHub Pro supports pass-through charging, allowing you to charge both the power bank and your connected devices simultaneously. When the power bank is connected to a power source, it will first charge your connected devices and then recharge itself.
Image 6.1: Diagram illustrating the pass-through charging feature, where the power bank charges itself and a connected device simultaneously.
6.4 Battery Level Indicator
The integrated digital display shows the precise percentage of remaining battery charge, allowing you to monitor the power bank's status at a glance.
6.5 Approximate Charging Capacity
The 20000 mAh capacity provides multiple charges for various devices:
Image 6.2: Graphic showing approximate charge cycles for various devices, such as Samsung Galaxy S21 (about 3.0 charges), iPhone 12 (about 4.0 charges), and iPad Pro 11" (about 1.5 charges).
7. Maintenance
- 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 optimal battery life, fully charge the power bank at least once every three months if stored for extended periods.
8. Troubleshooting
- Power bank not charging: Ensure the charging cable is securely connected to both the power bank's IN port and the power source. Try a different cable or wall adapter.
- Device not charging from power bank: Ensure the cable is securely connected to both the power bank's OUT/IN port and your device. Press the power button on the power bank. Check if the power bank has sufficient charge.
- Slow charging: Ensure you are using a compatible cable and a high-quality wall adapter. Some devices may charge slower due to their input requirements.
9. Specifications
| Feature | Specification |
|---|---|
| Model Name | VoltHub Pro |
| Brand | 4smarts |
| Battery Capacity | 20000 mAh |
| Battery Composition | Lithium-polymer |
| Number of Batteries | 1 (included) |
| Voltage | 5 Volts |
| Reusability | Rechargeable |
| Recommended Uses | Smartphone |
| Battery Weight | 332 Grams |
10. Warranty and Support
The 4smarts VoltHub Pro Power Bank comes with a two-year warranty against manufacturing defects. For warranty claims or technical support, please contact your retailer or the official 4smarts support channels.
