Overview:
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.
Specification:
A brand 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 wwitch to control the 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

Size:
