Each mobile phone manufacturer will have its own fast charge chip in the fast charge line. One of the most powerful is Apple, its chip is mainly able to detect whether Apple is officially authorized, if not officially authorized, his charging power will be limited to a certain value can not reach the peak, and the various mobile phone manufacturers of Android manufacturers their mobile phone fast charging is mostly a private agreement. Only rely on their own manufacturers unique private chip we can achieve injection 120w, 150w and so on, ultra-fast charge.