Apple introduced iPhone MagSafe with the iPhone 12, placing a magnetic ring around its Qi charging coil to align chargers automatically. The company later contributed the alignment system to the Qi2 standard, extending the approach beyond iPhones to compatible phones and their.
MagSafe also served as an accessories platform: NFC in the charging coils let the iPhone detect nearby accessories for handshaking and background connectivity. The article says Qi2’s magnetic alignment supports charging at 15 watts.
