Features Support Fast Charging Protocol: Charging module support DCP protocol, BC1.2, IOS, compatible with Huawei FCP SCP, compatible with Spreadtrum fast charging protocol SFPP, QC2.0 and 3.0, and MTK PE1.1 PE2.0. Input and Output Voltage: The input voltage range of the module is 6V to 32V, and the output voltage is 5V by default, which will be automatically adjusted after triggering fast charging. High Efficiency: the module has the function of output line compensation, which has fast charging speed and greatly saves charging time, and is suitable for the car charging system diy; Drive recorder power supply diy; Domestic power supply diy, etc. Multiple Protection:USB Buck Converter has input over-voltage, undervoltage and over-current protection, output over-current and short-circuit protection, over temperature protection, safe and reliable use. Application: Fast charging module can be used for solar panel charging mobile phones, car charging DIY, driving recorder power supply, household power supply, smart socket DIY, fast charging adapter Specification: Item Type: Fast Charge Module Material: PCB Input Voltage Range: 6-32V Output Voltage: Default 5V, automatically adjust between 3-12V after triggering fast charge Output Power: Limited 5V 3.4V, 9V 2.5A, 12V 2A, etc. Support Fast Charging Protocol: Support for DCP protocol, for BC1.2, for IOS, for Samsung protocol, support for Huawei FCP SCP, support for Spreadtrum fast charging protocol SFCP, support for Qualcomm QC2.0 and 3.0, support for MTK PE1.1 PE2. 0 Usage: Solar panel to mobile phone charging, car charging DIY, driving recorder power supply, household power supply, smart socket DIY, fast charging adapter Package List: 4 x Fast Charge Module Package List 4 x Fast Charge Module