![ESP8266 - Li-Ion Battery Rechargeable Battery Power Solution : 4 Steps (with Pictures) - Instructables ESP8266 - Li-Ion Battery Rechargeable Battery Power Solution : 4 Steps (with Pictures) - Instructables](https://content.instructables.com/F7X/CECJ/I8BGIARY/F7XCECJI8BGIARY.jpg?auto=webp&fit=bounds&frame=1)
ESP8266 - Li-Ion Battery Rechargeable Battery Power Solution : 4 Steps (with Pictures) - Instructables
![Geekcreit D1 ESP-Wroom-02 Motherboard ESP8266 Mini-WiFi NodeMCU Module ESP8266+18650 Battery+0.96 OLED Geekcreit D1 ESP-Wroom-02 Motherboard ESP8266 Mini-WiFi NodeMCU Module ESP8266+18650 Battery+0.96 OLED](https://www.elecbee.com/image/cache/catalog/Smart-Module/Geekcreit-D1-ESP-Wroom-02-Motherboard-ESP8266-Mini-WiFi-NodeMCU-Module-ESP826618650-Battery096-OLED-1224577-5072-500x500.jpeg)
Geekcreit D1 ESP-Wroom-02 Motherboard ESP8266 Mini-WiFi NodeMCU Module ESP8266+18650 Battery+0.96 OLED
![Amazon.com: OCESTORE Mini D1 Module Wemos D1 ESP8266 with Battery Slot ESP WROOM 02 Motherboard Compatible with Node-MCU : Electronics Amazon.com: OCESTORE Mini D1 Module Wemos D1 ESP8266 with Battery Slot ESP WROOM 02 Motherboard Compatible with Node-MCU : Electronics](https://m.media-amazon.com/images/I/617kuWttFVL._AC_UF894,1000_QL80_.jpg)
Amazon.com: OCESTORE Mini D1 Module Wemos D1 ESP8266 with Battery Slot ESP WROOM 02 Motherboard Compatible with Node-MCU : Electronics
![I recently finished the prototype for a battery powered ESP8266 based temperature and humidity sensor with eInk display. Currently working on a custom PCB. : r/arduino I recently finished the prototype for a battery powered ESP8266 based temperature and humidity sensor with eInk display. Currently working on a custom PCB. : r/arduino](https://i.redd.it/q0c5386r08p61.jpg)