Estardyn QC3.0 QC2.0 Quick Charge USB Buck Step Down Converter 6-32V to 5V 9V 12V Module for DIY

nput voltage range: 6V to 32VOutput voltage: The default is 5V. After the fast charge is triggered, it is automatically adjusted between 3 and 12V.Output Power. 24W (5V, 3.4A, 9V, 2.5A, 12V, 2A, etc.)Output voltage wired compensationConversion efficiency: 90% to 97%Supports multiple fast charging protocolsInput overvoltage, undervoltage protectionInput over-current protectionOutput overcurrent and short circuit protectionOver temperature protectionSupport fast charging protocolfor BC1.2, iPhone, Samsung agreementfor Qualcomm QC2.O and QC3.OMTKPEI.1/PE2.OFast Charge Protocol FCPStar Fast Charge Protocol AFCSpreadtrum Fast Charge Agreement SFCP