Non-original magnetic charging bank has damage to the Apple battery, cheap magnetic charger is no harm to the phone, because it is wireless charging, they are cheap, they are also guaranteed quality, so the harm to the phone is no, you can rest assured to use.
The MagSafe coil on the iPhone integrates the NFC function, and when wearing the official magnetic protection case, the corresponding animation will be displayed. In the future, more third-party manufacturers will develop interesting magnetic peripherals for this feature, such as external lenses and magnetic external batteries.
Yes, because the voltage is too large, the original magnetic charger uses wireless charging, wireless charging requires a larger voltage to be able to transmit the current to the battery inside, so the high voltage will cause damage to the battery electrolyte, more damage to the battery, when using the charger in daily life, you should choose a reasonable charging method, otherwise it will bring great damage to the battery