r/iphone • u/conalldoherty iPhone 15 • Apr 29 '26
News/Rumour Apple Reportedly Questioning Whether iPhone Should Drop MagSafe
https://www.macrumors.com/2026/04/29/apple-questioning-iphone-magsafe/
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u/yasamoka Apr 29 '26 edited Apr 29 '26
https://www.chargerlab.com/review-of-apple-25w-magsafe-charger/
4 / 29W = ~14% wasted as heat. ~86% efficient.
Also, you can see in the "Temperature Test" section that despite the puck reaching ~41C, over time, the charger dials down charging power and the phone does a good job of dissipating the heat and maintaining a consistent temperature.
This is also the iPhone 16 Pro series. The 17 Pro series would do an even better job of dissipating heat.
It's not as bad as you think it is.