Because OnePlus uses the Vooc flash charge technology developed by oppo, which is its own private protocol, while Xiaomi uses the Mi turbocharge technology developed by Xiaomi, which is also its own private protocol. When the mobile phone is charging, the mobile phone is powered on with the charging cable and charging head. At this time, the mobile phone power management chip, data cable chip, data cable chip, etc. The three chips of the charging head will recognize each other, and only a unified standard can activate the fast charge
The charging protocol is different, and the chips on the motherboard and the charger are different, so they are not common
Charger access is not the same can not be changed