The original Apple 13mini is a PD charger with a power of 18W PD charger.
The iPhone 13 mini supports PD fast charge, but due to the size of the body and the battery capacity, the PD fast charge power is limited to a low level, from 5W to 96W and other different power chargers can be used, but through a series of tests to get the iPhone 13 mini fast charge power at about 18W.