Product selling point: 1: Wide range of applications 2: Support a variety of fast charging protocols 3: Small size 4: DIY DC powered phone charger 5: The family is always ready/prepared, and there is one more charging method 1. Support a variety of fast charging protocols: PD3.0/2.0, PPS/QC4+, QC3.0/2.0, FCP, AFC, MTK-PE 2. Function/function of this product: 1. DIY DC-powered mobile phone charger (can fast charge Apple 13/12/11) 2. Outdoor/vehicle power supply for mobile phones/wireless chargers that support PD3.0/PPS fast charging! 3. The family is always ready/prepared, and there is one more charging method, which may help you a lot in the future when there is a long-term power outage. 3. Protection function: 1. High-cost, extremely low-heat MOS-type input anti-reverse connection components are used. Novices can also wire them at will, and the power supply will not burn if they are reversed! 2. Output overvoltage protection Power supply voltage: standard 10~30 volts 3. Both motherboards have heat sinks List: 1*30W mobile phone charging board fast charging car DIY modification module DC step-down type-C