66w fast charge can not be universal all mobile phones, because the charging agreement between the various brands is not the same, and the charging agreement between the various brands is not compatible, so even if the power number is the same, it can not be universal, must use the respective brand of charging head and mobile phone combination, in order to successfully carry out fast and fast charging.
66 watts of fast charge can be universal, all Android mobile phones are basically no problem, because it has a constant voltage range of charging head, if you can not use the fast charging pressure of the mobile phone, it is using the ordinary mode to help you charge, which is a very safe one for mobile phones to charge.
So everyone should try to use a good phone.