ESP32 ESP32S 0.5A Micro USB Charger Board 18650 Battery Charging Shield For Arduino Wemos Raspberr | Alexnld.com
Power Management | Adafruit HUZZAH32 - ESP32 Feather | Adafruit Learning System
uMesh ESP32 Module Offers a LiPo Battery Circuit for Deployed IoT Applications - Hackster.io
Buy 3V/5V 18650 Battery Shield V8 Mobile Power Bank for Arduino ESP32 ESP8266 Wifi at affordable prices — free shipping, real reviews with photos — Joom
ESP32 Battery board with Gas Guage
Power ESP32/ESP8266 with Solar Panels and Battery | Random Nerd Tutorials
Is it possible to power the ESP32 directly with a CR123 battery?