![boost - NodeMCU power via battery + battery charger + booster - Electrical Engineering Stack Exchange boost - NodeMCU power via battery + battery charger + booster - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/DxNgI.png)
boost - NodeMCU power via battery + battery charger + booster - Electrical Engineering Stack Exchange
![Lolin NodeMCU ESP8266 with BME280 and Li-ion battery and his regulator... (RGB led just for status indicator) : r/esp8266 Lolin NodeMCU ESP8266 with BME280 and Li-ion battery and his regulator... (RGB led just for status indicator) : r/esp8266](https://preview.redd.it/sszis0fastj01.jpg?auto=webp&s=7b736501b4deb5dcb215308c188e25e7dc287486)
Lolin NodeMCU ESP8266 with BME280 and Li-ion battery and his regulator... (RGB led just for status indicator) : r/esp8266
![Esp8266 Mini Wifi Nodemcu Module 18650 Charging Battery Development Board Nodemcu Pwm I2c For Wemos D1 Esp-wroom-02 Mother Board - Integrated Circuits - AliExpress Esp8266 Mini Wifi Nodemcu Module 18650 Charging Battery Development Board Nodemcu Pwm I2c For Wemos D1 Esp-wroom-02 Mother Board - Integrated Circuits - AliExpress](https://ae01.alicdn.com/kf/Hb1bfa7c88416492fa43d3d00a5f87a4aY.jpg)
Esp8266 Mini Wifi Nodemcu Module 18650 Charging Battery Development Board Nodemcu Pwm I2c For Wemos D1 Esp-wroom-02 Mother Board - 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)
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
![For Wemos D1 Esp8266 Mini Wifi Wireless Nodemcu Module 18650 Battery Development Board Esp-wroom-02 Motherboard 1a Pwm I2c - Integrated Circuits - AliExpress For Wemos D1 Esp8266 Mini Wifi Wireless Nodemcu Module 18650 Battery Development Board Esp-wroom-02 Motherboard 1a Pwm I2c - Integrated Circuits - AliExpress](https://ae01.alicdn.com/kf/HTB1TxWidfWG3KVjSZPcq6zkbXXaq/For-WeMos-D1-ESP8266-Mini-WiFi-Wireless-Nodemcu-Module-18650-Battery-Development-Board-Esp-Wroom-02.jpg_Q90.jpg_.webp)