Yes, it is fast charging, because it uses 66 watts of charging power, so the iPhone 11 mobile phone uses fast charging, which can effectively full the normal charge speed within 20 minutes, very fast, and the time is not short
yes
Taking iOS13.1.1 as an example, the iPhone11 is fast charging, supporting 18W fast charging, and can be charged up to 50% of the power in 30 minutes, but the iPhone11 version requires a separate 18W fast charging head.
yes
The iPhone 11 supports wired fast charges of up to 18W, but requires a power adapter of 20 watts or more, which can be charged up to 50% in 30 minutes.