MakerFocus 6pcs 2A 5V Charge Discharge Integrated Module 3_7V 4_2V for 186 50 Lithium Battery Charging Boost Mobile Power Protection PCB Board Module

6pcs 2A 5V Charge Discharge Integrated Module 3.7V 4.2V for 186 50 Lithium Battery Charging Boost Mobile Power Protection PCB Board Module Parameter: Charging voltage: DC 4.5V-5.5V (DC 5V recommended) Charging current: 0-2.1A Charging quiescent current: 100uA Full voltage: 4.2V+ -1% 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? to + 85? PCB board process: Shen Jin Size : 25 * 16 * 4mm The module comes with lithium battery protection function? Over-current protection (OCP) Overvoltage protection (OVP) Short Circuit Protection (SCP) over-temperature protection (OTP) Charge and discharge power level 4 interval indication 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: 6 * 2A 5V Lithium battery charging protection module