1. Entwodiksyon
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 konsepsyon elegant li yo.
2. Enfòmasyon sou Sekirite
- Pa ekspoze bank pouvwa a nan tanperati ekstrèm, limyè solèy dirèk, oswa dife.
- Evite lage l, demonte l, oswa eseye repare aparèy la tèt ou.
- Kenbe bank pouvwa a lwen dlo ak lòt likid.
- Sèvi ak sèlman kab ak adaptè chaje ki sètifye.
- Kenbe soti nan atenn timoun yo.
- Jete bank pouvwa a yon fason responsab dapre règleman lokal yo.
3. Pake kontni
Tanpri tcheke pake a pou atik sa yo:
- 4smarts VoltHub Pro 20000 mAh Power Bank
- USB-C USB-C chaje kab
- Pote Étui
- Manyèl itilizatè

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

Imaj 4.1: Gwo plan view of the power bank's ports and digital display.
- OUT1 (USB-A Port): Pò sòti pou chaje aparèy yo.
- OUT2 (USB-A Port): Pò sòti pou chaje aparèy yo.
- 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.
- Ekspozisyon dijital: Montre pousantaj batri ki rete atage.
- Bouton pouvwa: Press once to check battery level or activate charging.
5. Enstalasyon
5.1 Premye chaj
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. Operasyon Enstriksyon
6.1 Chaje Aparèy Ou yo
- Connect your device's charging cable to one of the OUT (USB-A) ports or IN (USB-C) ports on the power bank.
- Konekte lòt bout kab la sou aparèy ou an.
- Batri ekstèn lan ap kòmanse chaje aparèy ou an otomatikman. Si se pa sa, peze bouton pouvwa a yon fwa.
- The digital display will show the power bank's remaining battery level.
6.2 Rechaje Bank Ekstèn lan
- 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.
- Ekran dijital la ap montre pousantaj chaj la.tage, indicating the power bank is being recharged.
6.3 Chaje pas-a-travè
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 Endikatè nivo batri
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. Antretyen
- Netwaye bank ekstèn lan avèk yon twal mou epi sèk. Pa sèvi ak pwodui chimik ki agresif oswa materyèl abrazif.
- Sere bank pouvwa a nan yon kote ki fre, sèk lè li pa itilize.
- For optimal battery life, fully charge the power bank at least once every three months if stored for extended periods.
NAN. Depanaj
- Batri pouvwa a pa chaje: 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.
- Aparèy la pa chaje ak bank pouvwa a: 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.
- Chaje dousman: Ensure you are using a compatible cable and a high-quality wall adapter. Some devices may charge slower due to their input requirements.
9. Espesifikasyon
| Karakteristik | Spesifikasyon |
|---|---|
| Non modèl | VoltHub Pro |
| Mak | 4smarts |
| Kapasite batri | 20000 mAh |
| Konpozisyon batri | Lityòm-polymère |
| Kantite pil | 1 (enkli) |
| Voltage | 5 Volts |
| Reyabilite | Rechargeable |
| Itilizasyon Rekòmande | Smartphone |
| Pwa batri | 332 gram |
10. Garanti ak sipò
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.