EQS EQS (V297) sedan

400V vs 800 V architecture

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Old Feb 14, 2022 | 10:23 AM
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400V vs 800 V architecture

Proof MB wasn't lying.

The tortoise beats the hare rather handily. The EQS not only gets to 100% faster it has stored an additional 20 % more Kw. That is a thorough stomping.
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Old Feb 16, 2022 | 07:59 PM
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Don't know about all this. But, I can say that my EQS charges from around 35% to 80%, on a 40 Amp circuit at home, in just under 6 hours, at 7.7kwh (using the ECO program), using about $3 worth of electricity (at my electric company's rates). And I'm doing that abougt every 3-4 days.
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Old Feb 16, 2022 | 08:44 PM
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Originally Posted by hlothery
Don't know about all this. But, I can say that my EQS charges from around 35% to 80%, on a 40 Amp circuit at home, in just under 6 hours, at 7.7kwh (using the ECO program), using about $3 worth of electricity (at my electric company's rates). And I'm doing that abougt every 3-4 days.
Sounds about right. The 11hr figure is from 10 to 100%If you have a 40amp service you should be able to charge at th full 9.6kw which translates to 32amps. That's the max the US EQS charger wiil provide.​​​​​​​There is no need to throttle the charging rate with AC. Wish we could get the 11kw German one. We could easily handle that charger. The 22 one would require too much rewiring to be affordable here. ​​​​​​​

Last edited by c4004matic; Feb 16, 2022 at 09:00 PM.
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Old Feb 17, 2022 | 04:10 PM
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BTW...I had read that the 800V archetecture was possible in the future, but the current EQS's are 400V. Am I wrong?
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Old Feb 17, 2022 | 05:19 PM
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Originally Posted by hlothery
BTW...I had read that the 800V archetecture was possible in the future, but the current EQS's are 400V. Am I wrong?
The EQS is 400. Audi and Porsche use 800. The point of the Vid is that 800 doesn't translate into faster. You will get a higher peak with 800, but bulk charging is slower.​​​​​​​ ​​​​​​​
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Old Feb 17, 2022 | 05:42 PM
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Originally Posted by c4004matic
Sounds about right. The 11hr figure is from 10 to 100%If you have a 40amp service you should be able to charge at th full 9.6kw which translates to 32amps. That's the max the US EQS charger wiil provide.There is no need to throttle the charging rate with AC. Wish we could get the 11kw German one. We could easily handle that charger. The 22 one would require too much rewiring to be affordable here. ​​​​​​​
I have a 40 amp line, and set my ChargePoint charger at 40 amps, through a NEMA 6-50 plug, which was what my dealer said MB recommended (gave me a handout). However, have never seen 9.6kW charging. Mine has been 7.7kW from the beginning, and occasionally 7.6kW since I turned on the ECO program for my regular 80% charging. However, this is plenty fast enough, usually in about 5-6 hours it has me back to 80%. I have heard that slow is better for the battery life. Learning as I go, though, so always happy to hear other opinions.
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Old Feb 17, 2022 | 06:48 PM
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Originally Posted by hlothery
I have a 40 amp line, and set my ChargePoint charger at 40 amps, through a NEMA 6-50 plug, which was what my dealer said MB recommended (gave me a handout). However, have never seen 9.6kW charging. Mine has been 7.7kW from the beginning, and occasionally 7.6kW since I turned on the ECO program for my regular 80% charging. However, this is plenty fast enough, usually in about 5-6 hours it has me back to 80%. I have heard that slow is better for the battery life. Learning as I go, though, so always happy to hear other opinions.
Strange I thought the Flexible meant up to 40 amps. I installed a 14/50 lets see how that goes. In theory it should make no difference.
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Old Feb 17, 2022 | 06:56 PM
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Originally Posted by c4004matic
Strange I thought the Flexible meant up to 40 amps. I installed a 14/50 lets see how that goes. In theory it should make no difference.
May be just a function of local supply and existing equipment in my house. Circuit is rated at 40amp, but may be actually delivering slightly less. Small problems, though.
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Old Feb 17, 2022 | 07:08 PM
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Originally Posted by hlothery
May be just a function of local supply and existing equipment in my house. Circuit is rated at 40amp, but may be actually delivering slightly less. Small problems, though.
Again, I can't wait for my turn to experiment.👍
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Old Feb 17, 2022 | 09:56 PM
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Originally Posted by c4004matic
The EQS is 400. Audi and Porsche use 800. The point of the Vid is that 800 doesn't translate into faster. You will get a higher peak with 800, but bulk charging is slower. ​​​​​​​
plus they have battery issues which seem to be related to the complexity of 800b architecture.

​​​​​​​https://www.teslarati.com/porsche-wh...s-coverup/amp/
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