Look, your iPad charger won't blow up, but it is too slow. You need SuperVOOC hardware to hit the 100W charging speed. Listen, buy these parts:OnePlus...
^ This. Also, Keepa and Camelizer are safe, reliable options that work well on Mac laptops. They are free to install from official browser stores, so ...
Thought about this more since I saw the thread earlier. Being methodical with DIY installs is definitely the way to go. Most kits today are so precise...