1. Inleiding
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 sy slanke ontwerp.
2. Veiligheidsinligting
- Moenie die kragbank aan uiterste temperature, direkte sonlig of vuur blootstel nie.
- Vermy dit om die toestel self te laat val, uitmekaar te haal of te probeer herstel.
- Hou die kragbank weg van water en ander vloeistowwe.
- Gebruik slegs gesertifiseerde laaikabels en adapters.
- Hou buite bereik van kinders.
- Gooi die kragbank verantwoordelik weg volgens plaaslike regulasies.
3. Pakketinhoud
Kontroleer asseblief die pakket vir die volgende items:
- 4smarts VoltHub Pro 20000 mAh Power Bank
- USB-C na USB-C laaikabel
- Drasak
- Gebruikershandleiding

Image 3.1: Contents of the 4smarts VoltHub Pro Power Bank package, including the power bank, cable, pouch, and manual.
4. Produk verbyview
Familiarize yourself with the ports and indicators on your 4smarts VoltHub Pro Power Bank:

Beeld 4.1: Nabyskoot 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.
- Digitale skerm: Toon die oorblywende battery persentasietage.
- Kragknoppie: Press once to check battery level or activate charging.
5. Opstelling
5.1 Aanvanklike laai
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. Bedryfsinstruksies
6.1 Laai jou toestelle
- Connect your device's charging cable to one of the OUT (USB-A) ports or IN (USB-C) ports on the power bank.
- Verbind die ander punt van die kabel met u toestel.
- Die kragbank sal outomaties jou toestel begin laai. Indien nie, druk die aan/af-knoppie een keer.
- The digital display will show the power bank's remaining battery level.
6.2 Herlaai van die kragbank
- Connect the included USB-C cable or another compatible USB-C cable to one of the IN (USB-C) ports on the power bank.
- Koppel die ander kant van die kabel aan 'n USB-muurlaaier of 'n rekenaar se USB-poort.
- Die digitale skerm sal die laaipersentasie wystage, indicating the power bank is being recharged.
6.3 Deurlaatlaai
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 Batteryniveau-aanwyser
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. Onderhoud
- Maak die kragbank skoon met 'n sagte, droë lap. Moenie harde chemikalieë of skuurmiddels gebruik nie.
- Berg die kragbank op 'n koel, droë plek wanneer dit nie gebruik word nie.
- For optimal battery life, fully charge the power bank at least once every three months if stored for extended periods.
8. Probleemoplossing
- Kragbank laai nie: 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.
- Toestel laai nie vanaf kragbank nie: 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.
- Stadige laai: Ensure you are using a compatible cable and a high-quality wall adapter. Some devices may charge slower due to their input requirements.
9. Spesifikasies
| Kenmerk | Spesifikasie |
|---|---|
| Model Naam | VoltHub Pro |
| Handelsmerk | 4slims |
| Battery kapasiteit | 20000 mAh |
| Battery samestelling | Litium-polimeer |
| Aantal batterye | 1 (ingesluit) |
| Voltage | 5 Volt |
| Herbruikbaarheid | Herlaaibaar |
| Aanbevole gebruike | Slimfoon |
| Battery Gewig | 332 gram |
10. Waarborg en Ondersteuning
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.