Ttgo-lora32-v2-1.6 battery level indication

[satkiwii]

I believe that was reviewed here.

TTGO LoRa32 V2.0 battery level

I’m using TTGO LoRa32 V2.0 (firmware-tlora-v2-EU433-1.1.23.bin) I connected the GPIO 35 through a 2x 100k voltage divider to the battery, but no luck. “USB” still appears on the screen. Is there any way to measure the battery level?