Apple products command a premium price, making them attractive to counterfeiters, and unless you buy the productsdirect from Apple ora reputable retailer , there's a chance that you'll end up with a fake product.
But you can tell if your MacBook charger is a genuine Apple charger or not.
Before I go any further, I want to clear one thing up. There are a lot of chargers out there from third parties, many good, some terrible. There are even some very capable 140W USB-C chargers that will charge the M1-powered 16-inch MacBook Pro. If you have bought a third-party charger, then it will not identify as an Apple charger, but that doesn't mean that it's dangerous or poor quality.
Also: This powerful 140W USB-C charger is smaller than Apple's and has three ports
OK, with that out of the way, here's how to tell if a MacBook charger is a genuine Apple product.
Plug the charger into an outlet and connect the MacBook to it. Then, hold down theOPTIONkey on your MacBook and click the Apple logo in the top-left corner of the screen, thenSystem Information