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It's finally here: Porsche puts wireless EV charging into production

17 pointsby 4h agoelectrek.co
11 comments
2h agoHN ↗

“and claims a charging rate of up to 11 kW and with an efficiency of about 90% for easy overnight charging.”

That’s a some 9kW lost on a 80kW battery. I get the convenience, but I think the best use for those would be when standardized and installed in public parking spots, for a brief charge bump, not to charge fully at home, e.g overnight, which is what Porsche aims for.

25m agoHN ↗

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).

1m agoHN ↗

That’s a some 9kW lost on a 80kW battery.

*kWh

Using the right units is important.

2h agoHN ↗

Charging at home is already more convenient and quicker (in human time) than driving to a gas station, and now they're optimizing the 30 seconds it takes to plug the car in.

1h agoHN ↗

Wall-E future here we come. Soon the people loader that lifts you from your sofa and plops you into the seat!

47m agoHN ↗

I agree in so far that plug-in charging shouldn't be an issue for most people.

Yet I can see the advantages for someone with a disability.

And what a lot don't seem to understand: at 11kW we aren't talking about high charging efficiency anyway. Meaning, you cannot assume close to 100% for cable based charging and talk about how much 90% loose on a full battery (like others here do).

28m agoHN ↗

It's not just that; there's a new capability unlocked. You can now have self driving cars charge at remote places and come back without human interaction. Imagine you live in a place with no grid power

2h agoHN ↗

the imaculate lifestyle aproaches, but then in the way of reality, will then prove to be just out of reach, with some new more minor and tedious 'inconvienience' taking on the roll of 'proof' in bieng a victim.