Explaining Mechanics on Instagram: "Easy to forget, but the alternator is the real hero keeping your ride alive. Before modern systems, cars ran on simple generators that couldn’t handle high revs or heavy electrical loads. In the ’60s, alternators changed everything: better charging at low RPM, cleaner power, and the ability to run all your tech without draining the battery. How does it work? It converts mechanical energy from the engine into electricity using a rotor, stator, and voltage regul