Turn any 6-30V DC power source into a USB Fast ChargerOutput: 5V 3.4A, 9V 2.5A, 12V 2A90-97% conveion efficiency depending on the voltage difference between input and outputSupport multiple fast charging protocols: QC 2.0/3.0, BC 1.2, MTK PE1.1/PE2.0, AFC, SFCPSize: 37x20x10mm ? LED Power Indicator ? Cable Resistance Compeation ? Overvoltage protection ? Undervoltage Protection ? Overcurrent Protection ? Short Circuit Protection ? Thermal Protection?? Shopee (Affiliate links): EDA Library Download (Easy EDA / Altium Desig) :