Charging curve
The course of the DC charging power against the state of charge; it determines the real fast-charge time, not the peak kW.
The charging curve is the course of the drawn DC power over the state of charge. At a powerful fast charger the power usually rises quickly to a peak at a low state of charge, holds that briefly and then steps back down as the battery fills. Above about 80 percent almost every car heavily throttles the power to spare the cells.
As a result the peak kW says little about real-world use. Two cars with the same DC peak can differ by tens of percent in charging time because one holds its power high much longer and the other steps down early. The average over a 10-80% session is always below the peak, often by a wide margin. A cold battery or a battery that has not been pre-conditioned lowers the entire curve.
Where possible we show the 10-80% charging time instead of only the peak, because it captures the course of the curve in one figure. The shape of the curve itself is a factory or test statement and depends on charger, temperature and software; we label it as such.
See also: Charging power (AC/DC), 10-80% charging time, SOC & SOH, Heat pump (EV)
Source: OEM/test statement; depends on temperature and charger, indicative
No tax or financial advice. Every figure shows its source and reference date. Always compare with an independent adviser and the official source.