Cybertruck 1000V Architecture + V4 Supercharging Confirmed!! ⚡️ "It's Going to be Used for Cybertruck Too" - Elon Musk

[Dids]

So any educated guess on what the final price is going to be. I’d guess we’ll over 100K…

thoughts.

Yes CT2 will be 49k . Educated by tesla.

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[ldjessee]

After watching the event again (so short compared to others, especially Neurolink), what struck me was how giddy/ecstatic the two corporate guys are from Pepsi/Frito-lay...

Like they seemed so excited...

Also, missed the bit about 1000v vs 500v inlet & outlet description the first time thru the NACS document... that is now very telling after the Semi event.

The thing that the tri-motor has significantly over the dual and single is that it is the minimum needed for anti-sway/anti-jackknife torque vectoring and all wheel drive.

Now, I could see them skipping it at first for product line simplicity... they have kept their variations slow in cases I would have made more available... saying no takes a lot of constraint.

The Semi is even more efficient than I thought, with the tweet from Elon about it being 1.7 kWh/mile...
Which is only a bit worse than the Hummer EV?

I think a 500 Wh/mile from the Cybertruck, or less even, is now a real possibility.

 

[samroy92]

I think a 500 Wh/mile from the Cybertruck, or less even, is now a real possibility.

I've been long assuming 400wh/mi ~ 2.5 miles per kWh

 

[ÆCIII]

There will be 1000VDC measured between the two conductors. The high voltage systems are isolated from ground, chassis etc.¹ So measuring to ground is meaningless.



In a circuit the current in equals the current out. At full charge rate (1MW) there will be 1000A flowing through the circuit. (Assuming 1000VDC).



We tested it in high school physics. Distilled water did not conduct until we added a little salt to it.



Interesting thought. I don't think it would be significant, but it's got me thinking.

¹ I'd always assumed the high voltage system would be isolated from the car chassis and ground, but I found WeberAuto YouTube channel prove it.

I appreciate all this input, as this type of clarification helps everyone.

I was speculating on a 2000 Volt total difference in potential, because the diagrams shown in a previous post above (shout out to Dids) actually confirms there is a HV+ (positive) and HV- (negative) conductor each in the cable.

So unless unless the (negative) one is anchored at ground zero, the two would have to be at 500VDC each in opposite polarity to get 1000 Volts, or again why would they not be 1000VDC each of opposite polarity for more power with the same current?

There is such a thing as negative voltage in relation to ground because our household power lines reach that negative potential (as well as positive) 50 or 60 times per second mostly, depending on what part of the world one lives in.

But, to dumb down or simplify the question, what are the exact authentic specifications on the HV Conductor voltages and current? Math requires 1000 amps of current if the difference of potential is 1000 Volts between the HV Conductors, or only 500 amps if the difference of potential is 2000 Volts between them.

Thanks again to Dids for the cable diagrams, and to everyone else for input.

- ÆCIII

 

[ldjessee]

I've been long assuming 400wh/mi ~ 2.5 miles per kWh

I have seen many people guesstimate between 400 and 500, but I thought that was just a bit optimistic...

 

[ClayBell]

The NACS documents don't say if the charging meets megacharging needs or not. Photos have shown them using a big rectangular connector, two NACS connectors, and something that looks like a slim MCS connector in the most recent video. So who knows!

-Crissa

Yes, it clearly shows the spec as 1000vdc.

 

[ClayBell]

People; read the NACS doc, it's free to download, brief, and clear. AND it answers like 99% of the speculation here. https://www.tesla.com/support/charging-product-guides#NACS-resources

 

[Crissa]

Yes, it clearly shows the spec as 1000vdc.

That's not the same as megacharging, tho. They may need more than 1000*1000 to get the throughput. The papers also didn't say it was 1000*1000, since max voltage is the insulator and max amperage is the heat which can mean different things as insulation values and heat dissipation can vary by temperature and voltage.

-Crissa

 

[CyberGus]

No. No. No. The port for v4 megacharger is the same as V3. The handle on V4 is larger.

You seem to be under the impression that a V4 SuperCharger is the same as a MegaCharger for the Semi. I do not share this view.

The newly revealed liquid-cooled cable will be used on the V4 SC, as well as the MC, but each will have different charge ports for different purposes.

 

[Dids]

You seem to be under the impression that a V4 SuperCharger is the same as a MegaCharger for the Semi. I do not share this view.

The newly revealed liquid-cooled cable will be used on the V4 SC, as well as the MC, but each will have different charge ports for different purposes.

Yes I am under that impression because I read the NACS document.
So you think they will make 2 1MW chargers that do exactly the same thing but have different ports for no reason.

 

[Crissa]

Yes I am under that impression because I read the NACS document.
So you think they will make 2 1MW chargers that do exactly the same thing but have different ports for no reason.

You may be right, but they haven't specifically shown it yet. Maybe we'll get more dribs and drabs as they begin delivering the trucks. A walkthrough would probably do it.

-Crissa

 

[cal]

Didn't the original CT have three drivetrain options? Single, dual and tri motors. Or was it a quad motor at the top? I assume if they can run a semi with three, the CT will not have a 4 motor option.

 

[GnarlyDudeLive]

Didn't the original CT have three drivetrain options? Single, dual and tri motors. Or was it a quad motor at the top? I assume if they can run a semi with three, the CT will not have a 4 motor option.

1x 2x 3x originally. 4x was announced much later on.

Orignally 1x was to be produced first
Then changed to 3x and 2x first based on high demand (1x only represent ~8% of reservations)
Much later 4x (quad) was announced and then said to be first in line for production.

At this time we don't really know what is what and when is when or if any of the drive trains will be depreciated. Some drive trains might be depreciated with the advent of the Plaid motors and their high output capabilities but that is still speculation.

 

[GhostAndSkater]

Hey folks

I've seen quite a bit of wrong info here about C rate, limits and so on

I actually went and did the math using real data that we have from current 4680 cells

TDLR, yes, from current 4680 data, ignoring the rest and focusing just on the cells, it will be able to reach 1 MW and sustain it for a bit, if not more

If Tesla will actually do it is anyone guess, from yesterday comments looks like it's the case

Hope you guys like it

 

[CyberGus]

Yes I am under that impression because I read the NACS document.
So you think they will make 2 1MW chargers that do exactly the same thing but have different ports for no reason.

But they don’t do the same thing. The MegaCharger has almost 4x the power.

https://en.m.wikipedia.org/wiki/Megawatt_Charging_System

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