ESP32-WROVER with 18650 Battery Holder - Hardware - Home Assistant

HomeAssistant with ESPHome. Create simple home automation artefacts…, by Anuradha Wickramarachchi, An Idea (by Ingenious Piece)

ESP32 WROVER Develop Board with 18650 Battery Box WiFi Bluetooth-compatible Module DC 3.6V-5V Input for Smart Home Control

ESP32-WROVER with 18650 Battery Holder - Hardware - Home Assistant Community

What is the shortest meaningful run_duration you got to work for deep sleep? Any tips to improve? - #21 by Spiro - ESPHome - Home Assistant Community

Onboard Battery Level of this ESP32? Voltage divider / Battery level - ESPHome - Home Assistant Community

Oil Level Monitoring Sensor for Home Assistant Using ESPHome : 9 Steps - Instructables

18650 Lithium Battery Shield ESP32 & raspberry pi 4

ESP32 WROVER Develop Board with 18650 Battery Box for Smart Home Control WiFi Bluetooth-compatible ESP-WROOM-32 Module

ESP32 board with 150Mbps 4G LTE modem also supports RS485, CAN Bus, and relay expansion - CNX Software

ESP32 WROVER Develop Board with 18650 Battery Box for Smart Home Control WiFi Bluetooth-compatible ESP-WROOM-32 Module - AliExpress

TTGO T-Energy ESP32-WROVER - with 18650 Battery Holder - Opencircuit

ESP DevKits Espressif Systems

ESP32 board with 150Mbps 4G LTE modem also supports RS485, CAN Bus, and relay expansion - CNX Software