Generally speaking, there will be some impact on the life of the battery, after all, the charging current is large, the speed is fast, but the life and heat dissipation will have some impact.
Huawei P40 standard charger supports 10V\/2.25A or 9V\/2A or 5V\/2A output, theoretical charging time is about 1.5 hours, long battery life, full of power. Support 22.5W charger, not 60W charger.
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It is harmful to mobile phones. The maximum allowable charging power of Huawei p40 is 22.5w. With 66w fast charge, the input power of this 66w is greater than the capacity of the mobile phone, so the Huawei p40 uses 66w fast charge, which is harmful to the mobile phone.