Articles
Why charging slows down, what the cabinet can and cannot do, and how to size the thing that feeds it. Figures in these pieces are computed from the same model as the calculator.
physics
Why fast charging slows down
Three reasons the curve falls away: lithium plating risk at high state of charge, heat, and the cabinet's own voltage and current ceilings.
C-rate, not kilowatts
A megawatt sounds enormous until you divide it by 850 kWh. Why the Tesla Semi still needs half an hour, and why an air taxi charges harder than any car.
hardware
The 500 A problem
Why a 400 V car cannot use a 350 kW charger, and why the 250, 260, 320 and 350 kW stalls all give it exactly the same session.
Supercharger reality: 700 A at 500 V
Tesla went high-current and low-voltage, which is why a 400 V Tesla really does see 250 kW, and why an 800 V car plugged into one has to split its pack.
siting
Sizing a battery-buffered station
A battery behind the dispenser lets a modest grid connection serve 350 kW sessions. How many charges that buys, and why the answer barely depends on the inverter.
Root three and the 80% rule
The two bits of electrical arithmetic that decide what a 480 V service can actually deliver, and the moment when a bigger breaker stops buying anything.