1. Introducció
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 el seu disseny elegant.
2. Informació de seguretat
- No exposeu el banc d'energia a temperatures extremes, a la llum solar directa ni al foc.
- Eviteu deixar caure, desmuntar o intentar reparar el dispositiu vosaltres mateixos.
- Mantingueu el banc d'energia lluny de l'aigua i altres líquids.
- Feu servir només cables i adaptadors de càrrega certificats.
- Mantenir fora de l'abast dels nens.
- Desfeu-vos del banc d'energia de manera responsable d'acord amb la normativa local.
3. Contingut del paquet
Si us plau, comproveu el paquet per veure si hi ha els elements següents:
- 4smarts VoltHub Pro 20000 mAh Power Bank
- Cable de càrrega USB-C a USB-C
- Bossa de transport
- Manual d'usuari

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

Imatge 4.1: Primer pla view of the power bank's ports and digital display.
- OUT1 (USB-A Port): Port de sortida per a dispositius de càrrega.
- OUT2 (USB-A Port): Port de sortida per a dispositius de càrrega.
- 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.
- Pantalla digital: Mostra el percentatge de bateria restanttage.
- Botó d'encesa: Press once to check battery level or activate charging.
5. Configuració
5.1 Càrrega inicial
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. Instruccions de funcionament
6.1 Càrrega dels vostres dispositius
- Connect your device's charging cable to one of the OUT (USB-A) ports or IN (USB-C) ports on the power bank.
- Connecteu l’altre extrem del cable al dispositiu.
- El carregador extern començarà a carregar el dispositiu automàticament. Si no, prem el botó d'engegada una vegada.
- The digital display will show the power bank's remaining battery level.
6.2 Recàrrega del banc d'energia extern
- 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.
- La pantalla digital mostrarà el percentatge de càrregatage, indicating the power bank is being recharged.
6.3 Càrrega de pas a través
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 Indicador de nivell de bateria
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. Manteniment
- Netegeu el banc d'energia amb un drap suau i sec. No utilitzeu productes químics agressius ni materials abrasius.
- Guardeu el banc d'energia en un lloc fresc i sec quan no l'utilitzeu.
- For optimal battery life, fully charge the power bank at least once every three months if stored for extended periods.
8. Solució De Problemes
- El banc d'energia no es carrega: 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.
- El dispositiu no es carrega des del banc d'alimentació: 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.
- Càrrega lenta: Ensure you are using a compatible cable and a high-quality wall adapter. Some devices may charge slower due to their input requirements.
9. Especificacions
| Característica | Especificació |
|---|---|
| Nom del model | VoltHub Pro |
| Marca | 4 intel·ligents |
| Capacitat de la bateria | 20000 mAh |
| Composició de la bateria | Polímer de liti |
| Nombre de bateries | 1 (inclòs) |
| Voltage | 5 Volts |
| Reutilitzabilitat | Recarregable |
| Usos recomanats | Smartphone |
| Pes de la bateria | 332 grams |
10. Garantia i Suport
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.


