How Efficient Is Your EV? It’s Complicated
Cars That Think
AUGUST 2, 2021
kilowatt-hours (121 megajoules) of energy is drained from its batteries. Depending on factors like the ambient-air temperature, how empty the battery is when you start charging, and the supply voltage to your EV's charging unit, the efficiency of charging can vary between 70 percent and 90 percent. kilowatt-hours? Because the U.S.
Let's personalize your content