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Re:MacBook Pro 14-inch and MacBook Pro 16-inch by SiVal on Monday October 18, 2021 @06:00PM (#28912352)
I wonder if you can still use the old magsafe power cords to charge the new machines, even if at a lower wattage. Those charger cables aren't cheap, and I still have a few from old MBPs.
Re:MacBook Pro 14-inch and MacBook Pro 16-inch by Hackbraten on Monday October 18, 2021 @06:16PM (#28912520)
You can keep using them with a Magsafe-to-USB-C adapter, for example from Elecjet [1]. I have a couple of those and they have worked just fine with my 2017 MBP.

[1]: https://elecjet.com/products/anywatt-magsafe

Re:MacBook Pro 14-inch and MacBook Pro 16-inch by tw04 on Monday October 18, 2021 @07:13PM (#28913008)
I highly doubt it, MagSafe 1 to 2 looks similar but are different physical dimensions. MagSafe 3 looks to be the same, the port looks significantly skinnier/shorter than 2 (about the same as the usb-c ports).
Re:MacBook Pro 14-inch and MacBook Pro 16-inch by skuhn on Monday October 18, 2021 @06:46PM (#28912781)
I'm guessing its not physically compatible, since they made a point of calling it MagSafe 3. But we won't know until a machine lands in the wild.
Re:MacBook Pro 14-inch and MacBook Pro 16-inch by dev_tty01 on Monday October 18, 2021 @08:16PM (#28913511)
It is shaped differently and they said it was updated to support more current.