3pcs Wemos® TTGO WiFi + bluetooth Battery ESP32 0.96 Inch OLED Development Tool

Product Description When you do some ESP32projects you must hate to add a power bank to provide the power This tiny board could solve such problems A 3000mAH 18650 battery could make ESP32run 17 hours or more 18650 charging system integrated indicate LED inside Green means full Red means charging Charging and working could be at the same time 1 Switch could control the power 1 extra LED could be programmed Connected with GPIO16 D0 0 5A charging current1A outputOver charge protectionOver discharge protectionFull ESP32 pins break outClick the link for more details http espressif com en products hardware esp32 devkitc overviewPackage included 3 x TTGO WiFi bluetooth Battery ESP32 0 96 Inch OLED Development Tool