![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&auto=webp&frame=1&height=300)
ESP8266 - Li-Ion Battery Rechargeable Battery Power Solution : 4 Steps (with Pictures) - Instructables
![Amazon.co.jp: uiotec Wifi Module 18650 Battery OLED with ESP8266 Development Board Compatible : Electronics Amazon.co.jp: uiotec Wifi Module 18650 Battery OLED with ESP8266 Development Board Compatible : Electronics](https://m.media-amazon.com/images/I/71rBQTQ1RYL.jpg)
Amazon.co.jp: uiotec Wifi Module 18650 Battery OLED with ESP8266 Development Board Compatible : Electronics
![Mini Esp8266 Wifi Development Board 18650 Lithium Battery Charging Module For Wemos D1 Esp-wroom-02 Mother Board Nodemcu Pwm I2c - Integrated Circuits - AliExpress Mini Esp8266 Wifi Development Board 18650 Lithium Battery Charging Module For Wemos D1 Esp-wroom-02 Mother Board Nodemcu Pwm I2c - Integrated Circuits - AliExpress](https://ae01.alicdn.com/kf/HTB1NPY_dk5E3KVjSZFCq6zuzXXaF/Mini-ESP8266-Wifi-Development-Board-18650-Lithium-Battery-Charging-Module-for-WeMos-D1-ESP-Wroom-02.jpg)
Mini Esp8266 Wifi Development Board 18650 Lithium Battery Charging Module For Wemos D1 Esp-wroom-02 Mother Board Nodemcu Pwm I2c - Integrated Circuits - AliExpress
![Can i power this 'nodemcu esp8266 v3' using 7.4v or 8v power source in its microusb. actually i have two li-ion battery(3.7v) so , i am going to connect this battery in Can i power this 'nodemcu esp8266 v3' using 7.4v or 8v power source in its microusb. actually i have two li-ion battery(3.7v) so , i am going to connect this battery in](https://i.redd.it/6qquknlzh5d71.jpg)