1. Entwodiksyon
Thank you for choosing the Charmast 20000mAh Wireless Power Bank. This manual provides essential information for the safe and efficient operation of your device. Please read it thoroughly before use and retain it for future reference.

Image 1.1: Charmast 20000mAh Wireless Power Bank. This image displays the sleek black power bank with its digital LED display and multiple charging ports.
2. Pake kontni
Verifye ke tout atik yo prezan nan pakè ou a:
- 1x Charmast 20000mAh Wireless Power Bank
- 1x USB-A pou USB-C kab
- 1x sak may
- 1x Manyèl Itilizatè (dokiman sa a)

Image 2.1: Package Contents. This image shows the power bank, USB-A to USB-C cable, mesh bag, and user manual as they appear in the product packaging.
3. Pwodwi souview
Familyarize w ak divès konpozan ki nan bank pouvwa ou a:

Imaj 3.1: Pwodwi anlèview. This diagram highlights the wireless charging pad, LED display, power button, Micro USB input, USB-C input/output, and three USB-A outputs.
- Pad chaje san fil: For Qi-enabled device charging.
- Dirije ekspozisyon: Montre pousantaj batri ki rete atage ak estati chaje.
- Bouton pouvwa: Activates the power bank and LED display.
- Mikwo USB Antre: For recharging the power bank (18W Max).
- USB-C Antre / Sòti: For recharging the power bank (18W Max) or charging devices (20W Max).
- USB Sòti 1/2: Standard USB-A ports for charging devices (5V-2.4A).
- USB Sòti 3: Quick Charge 3.0 compatible USB-A port for fast charging devices (22.5W Max).
4. Operasyon Enstriksyon
4.1 Chaje Bank Ekstèn lan
Before first use, fully charge the power bank. To recharge:
- Connect the provided USB-A to USB-C cable to the power bank's USB-C input port.
- Konekte lòt bout kab la ak yon adaptè miray USB konpatib (pa enkli).
- Alternatively, use a Micro USB cable to charge via the Micro USB input port.
- The LED display will show the charging progress. A full charge with an 18W Power Delivery (PD) adapter takes approximately 6 hours.

Image 4.1: Recharging the Power Bank. This image illustrates connecting a USB-C cable to the power bank for recharging, highlighting the 18W PD fast recharge capability.
4.2 Aparèy Chaje
The power bank supports charging up to 5 devices simultaneously via wired and wireless connections.
Branche chaje
- Connect your device's charging cable to one of the power bank's USB output ports (USB 1, USB 2, USB 3, or USB-C).
- Konekte lòt bout kab la sou aparèy ou an.
- The power bank will automatically begin charging.

Image 4.2: Simultaneous Wired Charging. This image demonstrates charging multiple devices, including smartphones and tablets, using the power bank's various output ports.
Chaje san fil
The power bank features a 15W Max Qi wireless charging pad.
- Ensure your device is Qi-enabled.
- Place your device directly onto the wireless charging pad on the power bank.
- The power bank will automatically detect and begin wireless charging.
- Nòt: The wireless charging function is not suitable for Samsung Series devices.

Image 4.3: 15W Wireless Charging. This image shows a smartphone being wirelessly charged by placing it on the power bank's charging pad.

Image 4.4: Wireless Compatibility. This graphic illustrates the broad compatibility of the wireless charging feature with various devices, including iPhones, Google Pixels, and AirPods, specifying different wattage rezilta yo.
4.3 Endikatè ekspozisyon ki ap dirije
The intelligent LED display provides real-time information:
- Pousantage Display: Shows the remaining battery capacity of the power bank.
- 'FAST' Symbol: Appears when the power bank is in fast charge mode (either input or output).
- Wireless Charging Symbol: Appears when a device is being wirelessly charged.
5. Enfòmasyon sou Sekirite
Pou asire yon operasyon san danje epi pwolonje dire lavi power bank ou a, tanpri obsève pwen sa yo:
- Pa ekspoze bank pouvwa a nan tanperati ekstrèm (pi wo pase 60°C/140°F oswa anba 0°C/32°F).
- Evite kontak ak dlo oswa lòt likid.
- Pa lage l, pa pike l, oswa pa demonte l.
- Kenbe soti nan atenn timoun yo.
- Sèvi ak kab sètifye ak adaptè sèlman.
- Jete bank pouvwa a yon fason responsab dapre règleman lokal yo.
6. Antretyen
Proper maintenance helps ensure optimal performance:
- Clean the power bank with a soft, dry cloth. Avoid abrasive cleaners.
- Sere bank pouvwa a nan yon kote ki fre, sèk lè li pa itilize.
- Si w ap sere l pou yon bon bout tan, chaje bank ekstèn lan apeprè 50-75% chak twa mwa pou kenbe batri a an bon eta.
NAN. Depanaj
Si ou rankontre pwoblèm ak bank pouvwa ou a, gade solisyon komen sa yo:
- Batri pouvwa a pa chaje: Ensure the charging cable and wall adapter are functioning correctly and properly connected. Try a different cable or adapter.
- Aparèy pa chaje: Check if the power bank has sufficient charge. Ensure the charging cable is securely connected to both the power bank and your device. For wireless charging, ensure your device is Qi-compatible and correctly positioned on the charging pad.
- Chaje dousman: Verify that your cables and devices support fast charging protocols (PD, QC 3.0) if you expect fast charging speeds. Some devices or cables may limit charging speed.
- Ekspozisyon LED la pa fonksyone: Press the power button to activate the display. If it remains unresponsive, the power bank may be fully discharged or require service.
8. Espesifikasyon
| Karakteristik | Detay |
|---|---|
| Nimewo Modèl | C2023W |
| Kapasite | 20000mAh / 74Wh |
| Dimansyon | 155.2 x 69.9 x 25.8 mm (6.11'' x 2.75'' x 1.02'') |
| Pwa | 381g / 13.44 oz |
| Mikwo USB Antre | 5V-2A / 9V-2A / 12V-1.5A (18W Max) |
| Antre USB-C | 5V-2.6A / 9V-2A / 12V-1.5A (18W Max) |
| USB-C Sòti | 5-6V-3A / 6-9V-2.22A / 9-12V-1.67A (20W Max) |
| USB Output 1/2 | 5V-2.4A |
| USB Sòti 3 (QC 3.0) | 4.5V-5A / 5V-4.5A / 9V-2A / 12V-1.5A (22.5W Max) |
| Wireless Chaje Sòti | 5W, 7.5W, 10W, 15W |
| Konpozisyon selil batri | Lityòm Polymère |
| Karakteristik espesyal | Fast Charging, LED Indicator Lights, Wireless Charging |

Image 8.1: Device Charge Capacity. This graphic illustrates the approximate number of charges the power bank can provide for various smartphone models, such as iPhone 12, Galaxy S20, Xiaomi 10 Pro, and Huawei P40 Pro.
9. Garanti ak sipò
For warranty information and customer support, please refer to the documentation provided at the time of purchase or visit the official Charmast websit la. Kenbe resi acha ou kòm prèv acha pou reklamasyon garanti.





