1. Pengenalan
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 reka bentuknya yang anggun.
2. Maklumat Keselamatan
- Jangan dedahkan bank kuasa kepada suhu yang melampau, cahaya matahari langsung atau api.
- Elakkan menjatuhkan, membuka atau cuba membaiki peranti sendiri.
- Jauhkan bank kuasa daripada air dan cecair lain.
- Gunakan hanya kabel pengecasan dan penyesuai yang diperakui.
- Jauhkan daripada kanak-kanak.
- Lupuskan bank kuasa secara bertanggungjawab mengikut peraturan tempatan.
3. Kandungan Pakej
Sila semak pakej untuk item berikut:
- 4smarts VoltHub Pro 20000 mAh Power Bank
- Kabel Pengecasan USB-C ke USB-C
- Beg Bawa
- Manual Pengguna

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

Imej 4.1: Jarak dekat view of the power bank's ports and digital display.
- OUT1 (USB-A Port): Port output untuk peranti pengecasan.
- OUT2 (USB-A Port): Port output untuk peranti pengecasan.
- 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.
- Paparan Digital: Menunjukkan baki peratusan bateritage.
- Butang Kuasa: Press once to check battery level or activate charging.
5. Persediaan
5.1 Pengecasan Awal
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. Arahan Operasi
6.1 Mengecas Peranti Anda
- Connect your device's charging cable to one of the OUT (USB-A) ports or IN (USB-C) ports on the power bank.
- Sambungkan hujung kabel yang lain ke peranti anda.
- Bank kuasa akan mula mengecas peranti anda secara automatik. Jika tidak, tekan butang kuasa sekali.
- The digital display will show the power bank's remaining battery level.
6.2 Mengecas semula 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.
- Paparan digital akan menunjukkan peratusan pengecasantage, indicating the power bank is being recharged.
6.3 Pengecasan Laluan
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 Penunjuk Aras Bateri
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. Penyelenggaraan
- Bersihkan bank kuasa dengan kain lembut dan kering. Jangan gunakan bahan kimia yang keras atau bahan yang melelas.
- Simpan bank kuasa di tempat yang sejuk dan kering apabila tidak digunakan.
- For optimal battery life, fully charge the power bank at least once every three months if stored for extended periods.
8. Penyelesaian masalah
- Bank kuasa tidak dicas: 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.
- Peranti tidak dicas dari 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.
- Pengecasan perlahan: Ensure you are using a compatible cable and a high-quality wall adapter. Some devices may charge slower due to their input requirements.
9. Spesifikasi
| Ciri | Spesifikasi |
|---|---|
| Nama Model | VoltHub Pro |
| Jenama | 4smart |
| Kapasiti Bateri | 20000 mAh |
| Komposisi Bateri | Litium-polimer |
| Bilangan Bateri | 1 (termasuk) |
| Voltage | 5 Volt |
| Kebolehgunaan semula | Boleh dicas semula |
| Penggunaan yang Disyorkan | Telefon pintar |
| Berat Bateri | 332 Gram |
10. Waranti dan Sokongan
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.





