While Qi wireless charging with the iPhone X and 8 back was greatly welcomed in 2017, Apple originally limited the power to just 5W. After a long time, that was updated to 7.5W with a software update. Meanwhile, Android smartphones have flown off that mark with some devices offering up to 30W with wireless charging.
Definitely a safe move on Apple’s part, but the 7.5W wireless charging limit (still for Qi) means much slower performance than wired charging until the iPhone 12 lineup starts today with the new MagSafe system Happened.
Beyond the convenience of a wireless charging system, which locks in perfect alignment via magnets, the MagSafe charger is providing Apple 15W charging speed, twice the Qi speed for all compatible iPhones (including the iPhone 12). Presumably, the third party approved MagSafe chargers that are on the way will be able to tap into the same 15W.
While 15W is a great increase and almost seems like it can charge your iPhone faster (Apple says 18W and above), keep in mind wireless charging is not as efficient as wired charging. This does not mean that all of the 15W maximum will usually be making it to your device, which is why Apple notes “up to 15W”.
Apple’s own MagSafe accessories include the case and a leather wallet in addition to two separate chargers: the MagSafe Duo (coming soon) and the standard single MagSafe charger. Third-parties such as Belkin are working on devices such as docking and car mounts.
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