It won't hurt the battery
iphone12 wireless magnetic charging does not hurt the battery. The principle of wireless charging is the built-in wireless charging function in the mobile phone, only need to put the mobile phone on the wireless charger, and wireless charging technology has been very mature, no damage to the battery behavior; Avoid playing with your phone while charging and charging your phone for too long to extend battery life.
Apple's original charger, the charging line is through the quality certification, the use of third-party chargers will cause damage to the battery.