WEMOS ESP32 Board with 18650 Battery Holder

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ESP32 Board with OLED
ESP32 Board with OLED
ESP32 Board with OLED
ESP32 Board with OLED


This esp32 wifi + bluetooth with 18650 battery sharging system development tool provides a perfect solution for the situation you often encountered: When you do some ESP32 projects you must hate to add a power bank to provide the power.

ESP32 is highly-integrated with in-built antenna switches, RF balun, power amplifier, low-noise receive amplifier, filters, and power management modules. ESP32 adds priceless functionality and versatility to your applications with minimal Printed Circuit Board (PCB) area requirements.


  • A LG 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.
  • with Switch to control power.
  • 1 extra LED could be programmed(Connected with GPIO16[D0])
  • 0.5A charging current, Max. 1A output
  • Over charge protection
  • Over discharge protection
  • Full ESP32 pins break out




Official documents

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