12V 24V to QC3.0 USB 5V Fast Charging Buck Module Power Supply Converter DC-DC Step Down USB Charging Module 24W

Features: 1. Made of high quality electronic component, durable to use. 2. Small body and great performance. 3. Many protection, input undervoltage protection, input overcurrent protection, output overcurrent, short circuit protection and whole machine over temperature protection. 4. The conversion efficiency can be about 90-97%. 5. Used in solar panel transfer mobile phone charging, DIY car charger, car driving recorder power supply, DIY home mobile phone fast charger.    Specification: Condition: 100% Brand New Input Voltage: DC6-30V Output Voltage: 5V Output Power: 24W MAX * 2 Conversion Efficiency: About 90-97% Support Fast Charging Protocol: For BC1.2, For Apple, For Samsung, For Qualcomm QC2.0 and 3.0, For MTK PE1.1/PE2.0, For AFC, For SFCP Weight: Approx. 30g / 1.1oz Size: Approx. 51 * 41 * 16mm / 2.0 * 1.6 * 0.6in   Package List: 1 * Set down Module