Apple’s new Apple MagSafe Wireless Charger comes with some key advantages for iPhone 12 owners. Most significantly, it charges the new iPhones (all iPhone 12 models) faster than all other wireless chargers. Apple just updated its support page to say that there might be some disadvantages to the new MagSafe charger, too
Provides faster wireless charging.
The MagSafe Charger maintains compatibility with Qi charging, so it can be used to wirelessly charge your iPhone 8 or later, as well as AirPods models with a wireless charging case, as you would with any Qi-certified charger.