About this item DC converter buck module input voltage: DC9-35V, (12V/24 changes to 5V), output max 5V/3A, 9V/2A or 12V/1.5A power (depend on your device whether support Fast charge agreement), no-load current is 10mA and the maximum output power will reach 15W. USB step down converter fast charging: Compatible with QC 3.0/2.0, maximum output 5V/3A, 9V/2A or 12V/1.5A power supply. This saves you time waiting for charging. Support QC 3.0/2.0, FCP, SFC (Note: If the device does not support QC, the output voltage will be 5V), the power of devices must be lower than 15W when using this DC to DC converter 12V to 5V, and not compatible with partial Samsung phones. 12V convert to 5V USB output power adapter is using intelligent microprocessing chip, DC to DC converter module has USB charging ports, DC to DC buck converter has integrated switch thin regulator module, the conversion rate is as high as 96%. 12V to 5V DC converter buck module wide application: DC converter module 12V to 5V is wid