alt Hacker News> That’s a some 9kW lost on a 80kW battery
It's about the same as wired AC charging. There are always charging losses:
https://insideevs.com/features/711659/ev-charger-efficiency-...
> That’s a some 9kW lost on a 80kW battery
It's about the same as wired AC charging. There are always charging losses:
https://insideevs.com/features/711659/ev-charger-efficiency-...
The 90% efficiency of the wireless transmission would be on top of the efficiency of typical charging (which is mostly losses after the power reaches the vehicle).