5PCS 2A 5V Charge Discharge Integrated Module- MELIFE 3.7V 4.2V for 186 50 Lithium Battery Charging Boost Mobile Power Protection PCB Board Module Household Power Systems

Parameter: Charging Voltage: DC 4.5V-5.5V (DC 5V recommended) Charging Current: 0-2.1A Charging Quiescent current: 100uA Full Voltage: 4.2V¡À1% Discharge Current: 0-2.4A Discharge Quiescent current: 50uA Discharge Efficiency: up to 96% Output Voltage: 5V Output Current: 0-2.4A Ambient Temperature: -20¡ãC to + 85¡ãC Size : 25 * 16 * 4mm The module comes with lithium battery protection function£º Over-Current Protection (OCP) Overvoltage Protection (OVP) Short Circuit Protection (SCP) Over-Temperature Protection (OTP) Charge and discharge power level 4 interval indicati Pin Description: VIN: Charge port positive input + GND: Charger Negative Input - BAT: Lithium Battery + GND: Lithium Battery - GND: Output negative output - OUT: Output Positive Output + KEY: Output Enable Trigger Port (Low Pulse Trigger) Applications: Car charging retrofit Driving recorder power supply Mobile power Portable devices such as mobile phones and tablets Package Including: 5 * 2A 5V Lithium battery charging protection module