ESP32: Tips to increase battery life

MAX17043: Battery Monitoring Done Right (Arduino & ESP32)

ESP32 Deep Sleep and Other Low Power Optimizations

Add battery charger to ESP8266 and ESP32 (well done) - eMariete

ESP32 - Ultra-Long Battery Life With ESP-NOW • ThingPulse

How to Power ESP32 with Battery

Power ESP32/ESP8266 with Solar Panels and Battery

How to Power ESP32 with Battery

Need help with powering ESP32 dev board with 18650 Li-ion : r/esp32

Battery-Powered ESP32 RadioShuttle Network Protocol