I'm guessing you have MagSafe2. I only had MagSafe1 laptops and thought they were great. I might be mistaken, but I thought I had heard of Apple tweaking the magnets on different models.

https://en.wikipedia.org/wiki/MagSafe#MagSafe_2

I believe the Surface have their version of MagSafe and support charging via USB-C...I wish that was the direction Apple went with.