There’s an old laptop power supply providing 19 VDC, a dual-MOSFET board, a potentiometer, and a simple signal generator. The pulses from the signal generator trip the MOSFET, which in turn ...
Buy cables for higher charging capacities from well-known suppliers such as Anker, Belkin, or Ugreen. They are reliable and usually cheaper than the corresponding offerings from the laptop or ...
You can still power the laptop via USB-C or Thunderbolt cable but 100W is the maximum power via that method. The amount of power a charger can give your MacBook is, safety aside, the most ...