1. Introduction
Thank you for choosing the LISEN 20000mAh Power Bank and USB C Cable. This portable charger is designed to provide reliable and fast charging for a variety of devices, including Apple Watch, iPhone, iPod, and other USB-C compatible smartphones and tablets. With its high capacity and multiple charging options, it ensures your devices stay powered on the go.
2. Safety Information
- Do not expose the power bank to extreme temperatures (above 60°C/140°F or below 0°C/32°F), direct sunlight, or water.
- Avoid dropping, disassembling, or attempting to repair the device yourself. This may cause damage, electric shock, or fire.
- Keep out of reach of children.
- Use only certified charging cables and adapters.
- Dispose of the power bank according to local regulations. Do not dispose of it with household waste.
- If the power bank swells, emits an odor, or becomes hot during charging or use, discontinue use immediately.
3. Package Contents
- LISEN 20000mAh Power Bank
- USB C Cable
- Instruction Manual
4. Product Overview
The LISEN 20000mAh Power Bank features multiple charging outputs, including built-in cables, wireless charging for Apple Watch and MagSafe-compatible iPhones, and additional USB ports. An LED display indicates the remaining battery percentage.
Image: The LISEN power bank simultaneously charging an iPhone via MagSafe and an Apple Watch wirelessly. The power bank features a digital display and a built-in strap.
Image: The LISEN power bank magnetically attached to the back of an iPhone, illustrating its MagSafe compatibility. The image also lists compatible devices such as iPhone 12/13/14/15 series, Apple Watch Ultra/Series 8/9/SE, AirPods 1st/2nd/3rd, and iPad Pro/Air/mini/iPad.
Image: A close-up view of the LISEN power bank, emphasizing its 22.5W fast charging capability and the integrated USB-C and Lightning cables. The image shows various iPhone models compatible with the Lightning cable and USB-C devices like iPhone 15 Pro and iPad Samsung compatible with the USB-C cable.
5. Setup
5.1 Initial Charging of the Power Bank
- Before first use, fully charge the power bank.
- Connect the provided USB-C cable to the power bank's input port and to a compatible USB wall adapter (not included).
- The LED display will show the charging progress. Once it reaches 100%, the power bank is fully charged.
6. Operating Instructions
6.1 Charging Devices Wirelessly
- For MagSafe-compatible iPhones: Align your iPhone with the MagSafe charging area on the power bank. The magnetic connection will secure the phone and initiate charging.
- For Apple Watch: Place your Apple Watch on the dedicated wireless charging pad on the power bank. Ensure it is properly aligned for charging to begin.
Image: The LISEN power bank demonstrating wireless charging for both an Apple Watch and an iPhone. The image highlights the improved design for simultaneous wireless charging compared to older models.
6.2 Charging Devices Using Built-in Cables
- Identify the appropriate built-in cable for your device (USB-C or Lightning).
- Pull out the desired cable from its storage slot on the power bank.
- Connect the cable to your device's charging port. Charging will begin automatically.
6.3 Charging Multiple Devices Simultaneously
The power bank supports charging up to 5 devices concurrently using a combination of wireless charging, built-in cables, and additional USB ports.
Image: The LISEN power bank connected to and charging five different devices simultaneously: an iPhone, an Apple Watch, an iPad, and two other devices via USB ports. This illustrates its multi-device charging capability.
7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the power bank. Do not use liquid cleaners or aerosols.
- Storage: Store the power bank in a cool, dry place away from direct sunlight and extreme temperatures. For long-term storage, charge the power bank to approximately 50% every three months to maintain battery health.
- Handling: Avoid dropping or subjecting the power bank to strong impacts.
8. Troubleshooting
- Power bank not charging: Ensure the charging cable is securely connected to both the power bank and the wall adapter. Try a different cable or adapter.
- Device not charging from power bank: Check if the power bank has sufficient charge. Ensure the cable is properly connected to your device and the power bank. For wireless charging, ensure proper alignment.
- Slow charging: Ensure you are using a fast-charging compatible cable and adapter for the power bank itself. For device charging, verify your device supports fast charging and that the connection is secure.
- LED display not working: If the power bank is charging or discharging, the display should be active. If not, try fully charging and discharging the unit. If the issue persists, contact support.
9. Specifications
| Feature | Specification |
|---|---|
| Brand | LISEN |
| Model Name | 20000mAh Power Bank and USB C Cable |
| Model Number | 43ba5429-5744-49ed-aa1c-2bf55891366d |
| Capacity | 20000mAh |
| Maximum Voltage | 5 Volts (DC) |
| Special Feature | Fast Charging |
| Connector Type | USB Type-C (Input/Output), Built-in USB-C, Built-in Lightning |
| Wireless Charging | MagSafe compatible, Apple Watch compatible |
| Compatible Devices | Smartphone (iPhone, Android), Apple Watch, iPad, iPod |
| Number of Items | 1 |
| Color | White |
| Outer Material | Rubberized or Textured Surface |
| Certifications | CE, FCC, RoHS, UL |
Image: A visual representation of the power bank's 20,000mAh capacity, indicating it can charge an Apple Watch 52 times, an iPhone 4 times, an iPad 2 times, and AirPods 28 times. This highlights its extended power delivery for portable use.
10. Warranty and Support
LISEN products are manufactured to high-quality standards. For any questions, technical support, or warranty inquiries, please contact LISEN customer service through the retailer where the product was purchased or visit the official LISEN website.
Online Support: Visit the LISEN Store on Amazon