![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
![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)