Recently, the renowned charging evaluation agency ChargerLAB conducted a real-world test of the charging speed via the USB-C port on the newly released iPhone Air. Previously, the agency had also performed similar tests on the iPhone 17 and iPhone 17 Pro Max. The test results show that when using several official Apple USB-C chargers, the standard version of the iPhone 17 can reach a peak charging speed of 27W to 28W, and can charge to 50% in 20 minutes, an improvement over the iPhone 16's 23W. The iPhone 17 Pro Max can achieve a peak charging speed of up to 36W, also reaching 50% charge within 20 minutes. These test results provide important references for users who follow Apple devices.