USB QC30 QC20 DC-DC Buck Converter Charging Step Down Module 10-30V 5V 3A/9V 2A/12V 15A to Fast Quick Charger Circuit Board _x000D_ Micro USB Features: 1.DIY DC powered mobile phone charger 2.Power supply for mobile phones and wireless chargers that support PD3.0 and PPS fast charging 3.The output is provided with overvoltage protection for safer operation 4.Simple operation, which can be operated by novices 5.The family is always ready for trouble, and there is another charging method, which may help you in the future when there is a long power failure. Parameters: Power supply voltage: DC10-30V Output parameters: 5V3A/9V2A/12V1.5A Supported fast charging protocols: QC3.0DCPFCPAFC Protection function: 1. The MOS type input anti reverse connection element with high cost and very low heat is used. Novice can also connect at will, and the reverse connection of power supply will not burn! 2. Output overvoltage protection Package include 1x charging module board Type-C Product selling points 1: Widely used 2: Support multiple fast charging protocols 3: Small size 4: DIY DC powered mobile phone charger 5: Always at home/prepared, with an additional charging method 1 Supports multiple fast charging protocols: PD3.0/2.0PPS/QC4+QC3.0/2.0FCPAFCMTK-PE 2 Function/action of this product: 1. DIY DC powered mobile phone charger (fast charging for Apple 13/12/11) 2. Provide power to mobile phones/wireless chargers that support PD3.0/PPS fast charging for outdoor/car use, etc! 3. Always at home/prepared for emergencies, with an additional charging method that may help you greatly in the event of a prolonged power outage in the future. 3 Protection function: 1. Adopting high cost and extremely low heat MOS type input anti reverse connection components, beginners can also wire them freely, and the power supply connection will not burn out! 2. Output overvoltage protection Supply voltage: Standard type 10-30 volts 3. The motherboard is equipped with heat sinks detailed list 1 * Mobile Charging Pad Fast Charging _x000D_