I feel like this is a finding/experience worth sharing. We ran into battery problem when developing our MVP using esp32 c3 MCU. ESP32 have high current consumption during network calls and we resolved this problem by avoiding TCP protocol in our network calls (Moving away from REST API calls).For Details, I am linking full article here:
https://khalsalabs.com/iot-101-minimizing-esp32-wifi-battery...
Hope you all enjoy!