MagSafe fast charging appears to be limited to Apple’s 20W adapter

MagSafe fast charging appears to be limited to Apple’s 20W adapter

Apple’s MagSafe charger for the iPhone 12 series appears to restrict 15W fast charging specifically to the company’s 20W USB-C adapter. This means that you are not likely to get the same fast charging experience when using a third-party adapter or even a higher capacity MacBook adapter. Separately, a US Federal Communications Commission (FCC) filing has been spotted suggesting reverse wireless charging functionality on iPhone 12 models. Companies like Huawei and Samsung have offered a similar feature on their ships. insignia for some time.

Aaron Zollo from the YouTube channel Zollotech aware a video testing the MagSafe charger which apparently resulted in its fast charging restriction. The video comprehensively tests the new disc-shaped charging device with multiple adapters, including Apple’s 20W USB-C adapter and the existing 18W unit that comes with the iPhone 11 Pro older models. Zollo also used an online digital meter to measure current at all times.

The 20W USB-C adapter is the only solution that offers 15W charging through the MagSafe charger. However, the load was reduced to 13W when using the 18W adapter.

When switching to some older adapters and third-party units, the narrator found that the charge through the MagSafe charger decreased even more. Even with the 96W MacBook Pro USB-C adapter that Apple also offers, the charge was reduced to just 10W. This was similar to what was achieved with the Anker PowerPort Atom PD1 charger.

Apple, on your support page, you haven’t explicitly mentioned that the 15W charging experience is restricted to the 20W adapter. Instead He says, “Connect the USB-C connector of your MagSafe charger to a 20-watt (W) or higher Apple USB-C power adapter.” The support page also highlights that the MagSafe charger requires at least a 12W power adapter. This means that it cannot work with a 5W unit that came with many iPhone models previously.

In his video, Zollo noted that like any other wireless charging unit, the MagSafe charger works in tandem with temperature, reducing output when heat increases and vice versa.

How alleged Per Apple Insider, third-party adapters may need to adopt a specific MagSafe-compatible profile to ensure fast charging on the iPhone 12 Models. Apple, however, did not provide any comment to Gadgets 360.

In addition to being MagSafe compatible, the iPhone 12 series has a backup wireless charging feature. Some details available on the FCC site, first seen by Jeremy Horwitz from VentureBeat, suggests that there is support for a Wireless Power Transfer (WPT) charging feature.

“In addition to being able to be charged with a WPT desktop charger (disk), the 2020 iPhone models also support the 360 ​​kHz WPT charging function to charge accessories,” one of the FCC filings. read.

Apple appears to have disabled reverse wireless charging on iPhone 12 models at the current stage. However, as Mark Gurman of Bloomberg speculate, the functionality may be enabled after the release of the Next-gen AirPods which are rumored to debut next year.

This is not the first time that references to reverse wireless charging have been found on Apple hardware. In fact, iPhone 11 Pro and iPhone 11 Pro Max they were both spotted with some signs of bilateral wireless charging support last year. However, the company did not make any public announcements about it.

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