This car charger from Baseus supports 4 fast charging protocols. Qualcomm Quick Charge 4.0 will charge your device 4 times faster than a standard charger. In addition, the backward compatibility of Quick Charge 3.0, 2.0, AFC, MTK guarantees the fastest charging option. The Quick Charge 4.0 option is available on the Type-C port. QC-compatible phones include the Xiaomi 10/9. Huawei Fast Charge Protocol makes the device charge faster and doesn't get very hot while charging. Compatible phones include, for example, the Huawei Mate 30 or Honor Magic 2. Like Huawei, Samsung has its own fast charging protocol. With Samsung Adaptive Charge, your phone will charge much faster than with a regular charger. The technology from Samsung will charge models like the S20, S9, etc. Power Delivery is a high-voltage charging standard that will charge your device quickly and safely. The charger supports 20W and 18W version. Power Delivery is compatible, for example, with the iPhone 12. Be sure to check that your device supports the mentioned fast charging standards and that you have the right cable.