Unable to output USB power

We sincerely apologise for the inconvenience caused. Please follow the troubleshooting steps below:
If you could send us a photo or video showing the issue with your product, we would be able to assist you more quickly.
1. Please check whether the battery is sufficiently charged.
2. Is the LED indicator on the USB output button illuminated?
3. If the USB output port fails to power your device, please let us know the device’s name, model number, and power rating (in watts).
4. Also, please check the portable power station’s LCD screen for any unusual symbols or error messages.
5. After disconnecting your device from the USB output port, reset the portable power station by pressing and holding the DISPLAY button for 10 seconds. When “8888” briefly appears on the screen before returning to the normal interface, the reset has been completed successfully.
6. Please confirm whether your device charges correctly using its original charging cable.
7. Finally, please test whether the USB output port can power other devices.