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