ESP WROOM 32 Development Board with 18650 Battery Holder ESP32 ESP-32 

• When you do some ESP32 projects you must hate to add a power bank to provide the power. This tiny board could solve such problems.
• 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