ITEM NAME:DC-DC 6V-32V to 5V QC3.0 Fast Quick Charging Buck Module Q2I0 Charger Phone Y2C0 input voltage range: 6V to 32V Output 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 compensation Conversion efficiency: 90% to 97% Supports multiple fast charging protocols Input overvoltage, undervoltage protection Input over-current protection Output overcurrent and short circuit protection Over temperature protection Support fast charging protocol for BC1.2 for Qualcomm QC2.O and QC3.O MTKPEI.1/PE2.O Fast Charge Protocol FCP Star Fast Charge Protocol AFC Spreadtrum Fast Charge Agreement SFCP Applications Solar panel to mobile phone charging Car charging retrofit Driving recorder power supply Home power conversion Package included: 1 Pcs DC-DC Step Down Buck Converter Charging Module.Car charging retrofit. 1 Pcs DC-DC Step Down Buck Converter Charging Module. Output Power. 24W (5V, 3.4A, 9V, 2.5A, 12V, 2A, etc.). Supports multiple fast charging protocols. Support fast charging protocol.