lezchi B07P11H8PT
User Manual
lezchi Portable Power Bank (Model: B07P11H8PT)
Ultra Slim 10000mAh Portable Charger
1. Introduction
Thank you for choosing the lezchi Portable Power Bank. This ultra-slim 10000mAh portable charger is designed to provide convenient and reliable power for your mobile phones, tablets, digital cameras, game consoles, and other electronic devices on the go. Its compact design, built-in AC plug, and integrated charging cables make it an ideal travel companion.
Please read this manual carefully before using the product to ensure safe and optimal performance.

Figure 1: lezchi Portable Power Bank and included storage bag.
2. Safety Information
Your safety is paramount. The lezchi Portable Power Bank incorporates intelligent power management ICs to provide comprehensive safety protection. Always adhere to the following guidelines:
- Do not expose the power bank to extreme temperatures (above 65°C or 149°F) or direct sunlight.
- Avoid dropping, disassembling, or attempting to repair the device yourself.
- Keep away from water and other liquids.
- Ensure proper ventilation during charging and discharging.
- This device is equipped with power short circuit protection, over current protection, over voltage protection, and over heat protection to ensure safe charging.
- Dispose of the power bank responsibly according to local regulations.
3. Setup and Charging the Power Bank
Before first use, it is recommended to fully charge your lezchi Portable Power Bank.
3.1 Charging via Built-in AC Plug
- Locate the foldable AC plug on the side of the power bank.
- Gently unfold the AC plug.
- Plug the power bank directly into a standard wall outlet (AC 100-240V, 50/60Hz).
- The LED indicators on the power bank will illuminate to show charging progress. All LEDs will be solid when fully charged.

Figure 2: Charging the power bank using the foldable AC plug.
3.2 Charging via USB-C Input
- Connect a USB-C cable (not included) to the USB-C input port on the power bank.
- Connect the other end of the USB-C cable to a compatible USB wall adapter or computer USB port.
- The LED indicators will show charging progress.

Figure 3: The power bank can be charged via its built-in AC plug or a USB-C cable.
4. Operating the Power Bank (Charging Your Devices)
The lezchi Portable Power Bank features built-in charging cables and a USB output port for versatile device charging.
4.1 Using Built-in Cables
The power bank includes built-in cables compatible with various devices:
- USB-C Cable: For devices with a USB-C port.
- Lightning Cable: For Apple devices (iPhone, iPad, etc.) with a Lightning port.
- Micro USB Cable: For older Android devices and other electronics with a Micro USB port.
- Select the appropriate built-in cable for your device.
- Connect the cable to your device's charging port.
- The power bank will automatically begin charging your device. The LED indicators will show the remaining battery level of the power bank.

Figure 4: The power bank features built-in cables for various phone types.
4.2 Using USB Output Port
- Connect your device's original charging cable to the USB output port on the power bank.
- Connect the other end of your cable to your device.
- The power bank will automatically begin charging your device.
Note: The power bank can charge multiple devices simultaneously using its built-in cables and USB output port, up to its maximum output capacity.
5. Maintenance
- Clean the power bank with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
- Store the power bank in a cool, dry place away from direct sunlight and extreme temperatures.
- If not used for extended periods, charge the power bank at least once every three months to maintain battery health.
- Keep the built-in cables and AC plug clean and free of debris.

Figure 5: The slim design of the power bank makes it easy to carry and maintain.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Power bank not charging | AC plug not fully inserted; faulty wall outlet; damaged cable (if using USB-C input). | Ensure AC plug is fully inserted or try a different outlet. If using USB-C, try a different cable or adapter. |
| Device not charging from power bank | Power bank battery is depleted; incorrect cable/port used; device charging port is dirty/damaged. | Recharge the power bank. Ensure the correct built-in cable or your device's original cable is used. Check device's charging port for debris. |
| Slow charging | Cable quality; device input limit; multiple devices charging simultaneously. | Use high-quality cables. Disconnect other devices if charging speed is critical for one device. |
| Power bank gets warm during use | Normal operation during charging/discharging. | This is normal. If it becomes excessively hot, disconnect immediately and contact customer service. |
7. Specifications
| Feature | Detail |
|---|---|
| Model | B07P11H8PT |
| Brand | lezchi |
| Battery Capacity | 10000mAh (37Wh) |
| Battery Type | Li-ion |
| AC Input | 100-240V~, 50/60Hz, 0.3A Max |
| USB-C Input | 5V∷2.1A Max |
| USB Output | 5V∷2.1A Max |
| Built-in Cable Output (USB-C, Lightning, Micro USB) | 5V∷2.1A Max (shared) |
| Color | White |
| Special Features | Portable, Built-in AC Plug, Built-in Charging Cables (USB-C, Lightning, Micro USB), Slim Design, Safety Protection |

Figure 6: The ultra-slim design of the power bank for easy portability.
8. Warranty and Customer Support
Your lezchi Portable Power Bank comes with a user guide and a storage bag. For any questions, concerns, or technical assistance, please contact our customer service team.
- Customer Service: 7x24 hrs friendly customer service. Please refer to the contact information provided in your product packaging or on the official lezchi website.
- Warranty: Please refer to the warranty information included with your product packaging for details on coverage and terms.
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