When Apple changes the third-party battery, if the replacement is not the official authorized original battery, then your iPhone can not achieve fast charging, because after all, the third-party battery does not match the relevant hardware devices and system software of the phone. Apple Inc. is an American high-tech company founded by Steve Jobs, Steve Wozniak and RON Wayne on April 1, 1976, and named Apple Computer Corporation of America. On January 9, 2007, it changed its name to Apple Inc., headquartered in Cupertino, California, and went public on December 12, 1980.
As long as it is Apple's original battery, it can also support the fast charge function