Check UPS battery level, power connections, and enable auto-power-on in settings.

When I powered down the whole system the UPS HAT didn't work as expected and the Raspberry Pi powered down.
2024-07-11 07:25:56 1. Please use a separate USB to power the UPS HAT and do not use another USB to power the Raspberry Pi.
2. Please press and hold the Function Keys for 3 seconds on the UPS HAT. This will force the UPS HAT to activate and allow the Lipo to power the Raspberry Pi through the UPS HAT.
Tonny12138
