1. 제품 오버view
The charmast 20000mAh Portable Charger with Wall Plug is a versatile power bank designed for convenient charging of multiple devices. It features a high-capacity battery, built-in cables for universal compatibility, and an integrated wall plug for easy recharging.

Image: The charmast portable charger showcasing its key features: foldable AC wall plug, smart display, 20W fast charging, and 20000mAh capacity.
주요 특징:
- 내장형 벽면 플러그: For direct charging of the power bank from any standard 100-240V AC outlet, eliminating the need for extra charging adapters.
- 20000mAh 대용량: 스마트폰, 태블릿 및 기타 USB 전원 장치를 여러 번 충전할 수 있습니다.
- 20W PD/QC Fast Charging: Supports Power Delivery (PD) and Quick Charge (QC) protocols for rapid device charging.
- 내장 케이블 3개: Includes Lightning, USB-C, and Micro-USB cables for broad compatibility with various devices.
- 저전류 모드: Safely charges small devices like AirPods and smartwatches.
- LED 표시등: 디지털 디스플레이에 배터리 잔량이 백분율로 표시됩니다.tage 및 충전 상태.
- 항공편 이용에 편리함: 77Wh capacity complies with airline regulations for carry-on luggage.
- 고급 안전 보호: Guards against overcharging, over-discharging, and short circuits.

Image: A visual comparison showing the organized, compact charmast power bank with its built-in cables next to a messy array of traditional chargers and tangled cables, highlighting its convenience.
2. 포함 사항
Upon unboxing your charmast Portable Charger, you should find the following items:
- 20000mAh Power Bank (Model C2046S) x 1
- 사용 설명서 x 1
- Durable Pouch x 1
- 포장상자 x 1
- Charmast Certificate of Conformity x 1

Image: The complete package contents of the charmast portable charger, showing the device, user manual, and other included items.
3. 보조 배터리 설정 및 충전
Charging the Power Bank via Wall Plug:
To recharge your charmast portable charger, simply unfold the built-in AC wall plug and insert it directly into a standard wall outlet. The LED display will show the charging progress. This method supports 100-240V voltage, making it suitable for international travel without a voltag전자 변환기.

Image: A person demonstrating how to plug the charmast portable charger directly into a wall outlet for recharging, highlighting its integrated design.
Charging the Power Bank via USB-C Input:
Alternatively, you can recharge the power bank using its USB-C input port. Connect a USB-C cable (not included for power bank charging) to the power bank's USB-C input and to a compatible USB wall adapter. The LED display will indicate charging status.
4. 장치 충전
내장 케이블 사용:
The power bank includes three built-in cables for various devices:
- 번개 케이블: 애플 아이폰, 아이패드, 에어팟용입니다.
- USB-C 케이블: For Android phones, tablets, and other USB-C devices.
- 마이크로 USB 케이블: For older Android devices and other Micro-USB accessories.
Simply pull out the appropriate built-in cable and connect it to your device. The power bank will automatically begin charging. You can charge multiple devices simultaneously using the different built-in cables.

Image: The charmast portable charger actively charging a smartphone, a tablet, and wireless earbuds, demonstrating its multi-device charging capability with built-in cables.
저전류 모드:
For small devices that require lower charging current, such as AirPods, Apple Watch, or LED camp lights, the power bank features a low-current mode. To activate, press and hold the power button for 3 seconds. The LED display will show a small icon indicating low-current mode is active. Repeat the process to exit low-current mode.

Image: A woman using the charmast power bank to charge a small portable fan and a Bluetooth speaker, illustrating the low-current mode for compatible devices.
빠른 충전:
The power bank supports 20W Power Delivery (PD) and Quick Charge (QC) for compatible devices, allowing for significantly faster charging times compared to standard chargers. When fast charging is active, a lightning icon will turn green on the LED display.

Image: A graphic demonstrating the 20W fast charging feature, showing a smartphone reaching 25% charge in 10 minutes with the charmast power bank.
5. LED 디스플레이 표시기
내장형 LED 디스플레이는 보조 배터리의 상태에 대한 실시간 정보를 제공합니다.
- 배터리 퍼센트tage: Shows the remaining charge level of the power bank from 0-100%.
- 충전 표시기: When the power bank is being recharged, the percentage가 깜박입니다.
- 빠른 충전 표시기: A green lightning icon appears when a device is being fast-charged.
- Low-Current Mode Indicator: A small icon will appear when low-current mode is active.

Image: A close-up of the power bank's LED display, showing a '100%' battery level and a green lightning icon, indicating that it is in fast charging mode.
6. 안전 및 유지보수
일반 안전 지침:
- Avoid exposing the power bank to extreme temperatures, direct sunlight for prolonged periods, or moisture.
- 기기를 분해하거나, 구멍을 뚫거나, 개조하지 마십시오.
- 어린이의 손이 닿지 않는 곳에 보관하세요.
- Advanced protection against overcharging, over-discharging, and short circuits is built-in to ensure safety.
Flight-Friendly Information:
With a 77Wh capacity, this power bank complies with airline regulations for carry-on luggage. Always pack it in your carry-on bag, never in checked luggage, to ensure safe travel.

Image: A man using the charmast power bank to charge his phone in an airport, emphasizing its suitability for air travel.
7. 문제 해결
If you encounter any issues with your charmast Portable Charger, please refer to the following common solutions:
- 장치가 충전되지 않음: Ensure the power bank is sufficiently charged. Check that the built-in cable is securely connected to both the power bank and your device. Try a different built-in cable or a different device to isolate the issue.
- 보조 배터리가 충전되지 않음: Verify that the wall plug is fully inserted into a live outlet. If using the USB-C input, ensure the cable and wall adapter are functional.
- 느린 충전: Confirm that your device supports fast charging (PD/QC) and that the power bank is in fast charging mode (indicated by the green lightning icon). Ensure the cable is properly connected.
- LED 디스플레이가 작동하지 않습니다: Press the power button briefly to activate the display. If it remains off, the power bank may be fully discharged or require service.
8. 제품 사양
| 사양 | 값 |
|---|---|
| 모델 번호 | c2046s |
| 배터리 용량 | 20000밀리amp 시간(77Wh) |
| 제품 치수 | 5.91 x 2.83 x 1.09 인치 |
| 품목 무게 | 14.4 온스 |
| 커넥터 유형 | USB Type C (Input/Output), Built-in Lightning, USB-C, Micro-USB |
| 특별 기능 | Auto Shut-Off, Built-In Cable, Built-In Wall Plug, Fast Charging, LED Indicator Lights, Low-Current Mode |
| 제조업체 | 동관 유토피아-독창성 기술 유한 회사 |

Image: The charmast power bank in a suitcase, illustrating its compact size and weight for travel.
9. 보증 및 지원
Your charmast Portable Charger comes with a 24개월 보증. For any product-related issues, questions, or assistance, please contact our customer service. We offer 7-day/24-hour friendly customer service and aim to resolve any problems within 24 hours.
Please refer to the contact information provided in your product packaging or visit the official charmast web지원 사이트입니다.





