DescriptionModel Number : 18650 Shield V3Compale Brand/Model : NoneBrand Name : SZEKSOrigin : Mainland ChinaCondition : NewIs Customized : YesType : Voltage RegulatorESP32 ESP32S for Wemos for Raspberry Pi 18650 Battery Charge Shield Board V3 Micro USB Port Type-A USB 0.5ADescriptionBattery protection(Over charge or Over discharge)Micro USB port InputType-A USB Output0.5A current charging1 switch control USB output5~8V Input Voltage3V & 1A Output5V & 2A OutputLED indicate(Green means full,Red means charging)3V output port x35V output port x3Be careful of "+" and "-", You should follow the direction of "+""-" on the PCB.If you put wrong direction, charging chip will be destroyed.This product does not include 18650 batterySize: 100.3MM*48.3MMPackage Included1 Pcs Battery Shield Module (does not include 18650 battery)