It's 20w
Iphone13 supports up to 20W fast charge, 15W wireless fast charge, 13pro series between 22~28W, depending on the power of the fast charge head.
If you choose a charging device for the iPhone 13, the wired recommendation is to choose to support the PD 20W charging head, and the wireless recommendation is to consider the MagSafe magnetic magnet, which is much more than the previous experience such as wireless charging boards.
20 w
The maximum charging power of iPhone 13 is actually 20W, so choose a charging head that supports PD fast charging, and then match the Apple MFI-certified Type-C to Lightning charging cable, you can realize the fast charging of iPhone 13 (30 minutes can be full of about 50%