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WeMos D1 ESP Wroom 02 Board ESP8266 Mini-WiFi Nodemcu Module 18650 Battery
The WeMos D1 Esp Wroom 02 Board ESP8266 Mini-WiFi Nodemcu Module 18650 Battery, The development board integrates the ESP8266 18650 battery. A Sony 3000mah 18650 battery can run for 17 hours. When you do some ESP8266 items you must be hate to add power to power. This miniature board can solve this problem.
The Sony 3000mah 18650 battery can make the ESP8266 run for 17 hours or more. With NodeMCU, 18650 charging system integration and Indication LEDs (green means full and red means · Charging) Charge and work can be done easily at the same time.