Thanks for the feedback - I've looked at the datasheet and seems like the battery connector can take in from V3.3 volts up to a Max of 5V and will output max of 600 mA And the unit works fine if i comment out the wifi part and run it on the battery. Doing that, it stay up and pulls weather data from...

I am using a ESP32 Wifi/Ble Board, Model: ARS01119B from https://www.elecrow.com/esp32-wifi-ble-board.html I've written a program in Arduino to read the data from a DHT22 weather sensor and display it on a small SSD1306 screen and also upload my data to a MQTT Broker over wifi This all works 100% if...