2A 5V Lithium Battery Charging Protection Module:Output Voltage: 5V; Charging Current: 0-2.1A;Charging Voltage: DC 4.5V-5.5V (DC 5V Recommended) MCU Users: If you accept a Small Load KEY, it can be connected to the Microcontroller within about 20s to provide a Low Level, allowing the Module to Continue Working. Trigger Mode: Low Level Trigger (Ground) Protection Functions: 4 in 1 Charging / Discharging / Lithium Battery Protection / Battery Level Indicator Module.Lithium Battery Protection Function: Over-Current Protection, Over-Voltage Protection, Over-Temperature Protection, Short Circuit Protection NOTE: The First Time the Load is connected, the output is Automatically Turned On. If the Load is Less than 50MA, the Output will be Automatically Turned Off after 30s; if the Load is Greater than 50MA, the Output will be Automatically Turned ON Application:2A 5V Module Widely Used for Mobile Power, Car Charging Retrofit, Driving Recorder Power Supply and Portable Devices Such As Mobile Phones and Tablets
