diymore 2pcs Battery Shield V8 3V 5V micro USB port type C USB compatible For ESP32 For ESP8266 WiFi - ShopVlot

Protection mechanism: It features an integrated lithium battery protection IC with surge protection for the input. Output protection against overcurrent/short circuit; charge-time violation/overvoltage and overheating protection. Output current up to 3A, efficiency up to 95% Current measurement with LED marking Two selection modes: If the switch joins the Nomal, the current output is less than 30 mA and is automatically stopped and converted to standby mode after about 10 seconds. If you choose,