Measure the Li-ion battery level of Beetle ESP32-C3 with integrated battery management

After I review the schematic of the Beetle ESP32-C3, I think you could not measure the Lipo by the battery management, because there are no analog acquisition pins connected along the way to BAT.

But this function can be achieved with FireBeetle 2 ESP32-E

In the ESP32-E, there is an analog input pin connect to the VBAT, which allows you to measure the remaining voltage of the Lipo.