Wemos TTGO WiFi + Bluetooth Battery ESP32 0.96 Inch OLED Development Tool
When you do some ESP32 projects you must hate to add a power bank to provide power. This tiny board could solve such problems.
A 3000mAH 18650 battery could make ESP32 run for 17 hours or more.
18650 battery charging system integrated.
Indicate LED (Green means full& Red means charging)
Charging and working could be at the same time.
1 The switch could control power.
1 extra LED could be programmed (Connected with GPIO16[D0])
0.5A charging current
Full ESP32 pins break out