3pcs ESP32 ESP32S 0.5A Micro USB Charger Board 18650 Battery Charging Shield For Arduino Wemos Raspberry Pi Plate V3

Specifications: Input port: Micro USB USB output type: Type-A 0.5A current charging 1 switch control USB output Input Voltage:5~8V Output:3V & 1A (x3)and 5V & 4A (x3) LED indicate: Green means full,Red means charging Size: 9.8x2.9cm Note: Be careful of "+" and "-" You should follow the direction of "+""-" on the PCB.If you put wrong direction, charging chip will be destroyed. Package Includes: 3 x Battery Shield Module (does not include 18650 battery)