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 current 1A output Over charge protection Over discharge protection Full ESP32 pins break out Click the link for more details: http://espressif.com/en/products/hardware/esp32-devkitc/overview Package included: 3 x TTGO WiFi + bluetooth Battery ESP32 0.96 Inch OLED Development Tool