1. Introduktion
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 dens elegante design.
2. Sikkerhedsoplysninger
- Udsæt ikke powerbanken for ekstreme temperaturer, direkte sollys eller ild.
- Undgå at tabe, skille ad eller forsøge at reparere enheden selv.
- Hold powerbanken væk fra vand og andre væsker.
- Brug kun certificerede opladningskabler og adaptere.
- Opbevares utilgængeligt for børn.
- Bortskaf powerbanken ansvarligt i henhold til lokale regler.
3. Pakkens indhold
Tjek venligst pakken for følgende varer:
- 4smarts VoltHub Pro 20000 mAh Power Bank
- USB-C til USB-C opladerkabel
- Bæretaske
- Brugermanual

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

Billede 4.1: Nærbillede 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 skærm: Viser den resterende batteriprocenttage.
- Power knap: Tryk én gang for at kontrollere batteriniveauet eller aktivere opladning.
5. Opsætning
5.1 Indledende opladning
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. Betjeningsvejledning
6.1 Opladning af dine enheder
- Connect your device's charging cable to one of the OUT (USB-A) ports or IN (USB-C) ports on the power bank.
- Tilslut den anden ende af kablet til din enhed.
- Powerbanken begynder automatisk at oplade din enhed. Hvis ikke, skal du trykke én gang på tænd/sluk-knappen.
- Det digitale display viser powerbankens resterende batteriniveau.
6.2 Genopladning af powerbanken
- Connect the included USB-C cable or another compatible USB-C cable to one of the IN (USB-C) ports on the power bank.
- Tilslut den anden ende af kablet til en USB-vægoplader eller en computers USB-port.
- Det digitale display viser opladningsprocententage, indicating the power bank is being recharged.
6.3 Pass-through-opladning
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 Batteriniveauindikator
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. Vedligeholdelse
- Rengør powerbanken med en blød, tør klud. Brug ikke skrappe kemikalier eller slibende materialer.
- Opbevar powerbanken på et køligt, tørt sted, når den ikke er i brug.
- For optimal batterilevetid skal powerbanken oplades fuldt mindst én gang hver tredje måned, hvis den opbevares i længere perioder.
8. Fejlfinding
- Powerbanken oplader ikke: 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.
- Enheden oplades ikke fra powerbanken: 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.
- Langsom opladning: Ensure you are using a compatible cable and a high-quality wall adapter. Some devices may charge slower due to their input requirements.
9. Specifikationer
| Feature | Specifikation |
|---|---|
| Modelnavn | VoltHub Pro |
| Mærke | 4 smarte |
| Batterikapacitet | 20000 mAh |
| Batterisammensætning | Lithium-polymer |
| Antal batterier | 1 (inkluderet) |
| Voltage | 5 volt |
| Genanvendelighed | Genopladelig |
| Anbefalede anvendelser | Smartphone |
| Batterivægt | 332 gram |
10. Garanti og 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.