IoT Based Battery Status Monitoring System using ESP8266
Running NodeMCU on a battery - Raspberry PI Projects
Running a WeMOS/NodeMCU off a 18650 battery
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
IoT Lithium Battery Monitoring system using ESP8266 & Arduino IoT Cloud
ESP8266 Voltage Regulator For LiPo and Li-ion Batteries | Random Nerd Tutorials
NodeMCU battery voltage status - Need Help With My Project - Blynk Community
NodeMCU Dev Kit with ESP8266, WiFi and Battery Holder | Paradisetronic.com