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Apple has supported fast charging since 8.
The high-power fast-charge charging head adjusts the adaptive voltage and current to the highest power supported by the mobile phone through the built-in chip.
When the mobile phone is full, it will switch to trickle mode to charge, so as to avoid the loss of mobile phone batteries and other components caused by overheating of high-power charging for a long time.
Therefore, if you understand the principle of fast charging, you will no longer think that fast charging hurts the battery.