willow_hiller
Well-Known Member
I got 2019.20.1 on my SR+ last night. Maybe if I can convince my wife, I'll test out a V2 this weekend.
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Standard Range Plus Supercharging Speed
- Thread starter ab26
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I got 2019.20.1 on my SR+ last night. Maybe if I can convince my wife, I'll test out a V2 this weekend.
willow_hiller
Well-Known Member
Is there any good way to identify V2? All the superchargers on the map around me say "Up to 120 kW."
V2 consists of urban chargers which are 75 and faster chargers which are 120-150kw. You can definitely try the 120kW charger. So far no one has achieved more than 105kw on the SR+, so if you can hit at least 120, that would be big news!
willow_hiller
Well-Known Member
I'm just looking at the web map, not at the one in my car, quite yet. So any that say "up to 120 kW" should be safely V2?
Yes, the online map looks like it's not up to date with the latest speed. In the car they should say 150kW. Those are V2
willow_hiller
Well-Known Member
How does that go? "Honey, do you mind if I go charge the car?"
So far, the answer is "maybe."
I think the biggest impediment would be getting our SOC low enough. The car's at 80% right now, and most of our highways max out at 55 MPH, so I would need to drive around in circles for almost 3 hours to get it down to 10%.
Maybe it's time for a quick jaunt to the beach for lunch.
Or turn on the cabin heater while you're at work and let it chip away at the battery for a few hours.
pdx_m3s
Active Member
I got 20.2.1 a couple days ago for my SR+. I’ll try to head to the nearest v2 supercharger at <10% charge next week using ORBW to see if the charge rate is any better. This will be my first SC session (using referral miles).
Unfortunately, the nearest supercharger is typically very busy. We’ll see.
What is the best way to data log the charge rate/miles/SOC/etc?
Unfortunately, the nearest supercharger is typically very busy. We’ll see.
What is the best way to data log the charge rate/miles/SOC/etc?
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Video helps as it'll go quickly. Set charging display to show % SoC. You could turn off HVAC, but I don't expect that will matter with an SR+ as the V2 Supercharger should have enough overhead to simultaneously supply the car's HVAC and charge the battery. I'd be interested in %SoC and kW. Upload a video if that's easy or just post the data.
The black dotted line is what I'm expecting from an SR+ on 19.20.2.1. It should ramp quickly to ~105kW and maintain than until just under 50%. The taper should be 100kW at 50%, 80kw at 60%, 60kW at 70% and 40kW at 80%, or at least get close to these numbers. There's also a good chance the plateau will be capped at 102kW, not 105kW.
I have 20.2.1 and an SR+. I stopped at two superchargers yesterday. With one, I started from 11% and the other I started from 28%. Both times I was the only car at the charger when I started. The highest I saw was 105 kW. I’ll be making the return tomorrow and will post here if I see anything higher than that.
Excellent question. I’ll pay more attention tomorrow and let you know. I will likely have two charges starting around 10%. I have a percentage in mind but I wasn’t paying close attention so I’d rather wait a day than post incorrect information.
My predicted SR+ taper is pretty easy to remember. Just subtract the current SoC from 100% and double it. For example, the charge power at 75% should be 50kW -> (100-75) * 2. At 60% it should be 80kW.
“Power is double the remaining SoC”
This goes the other way to, of course. Divide the power in half and subtract it from 100. 40kW should be seen at 80% SoC.
“Power is double the remaining SoC”
This goes the other way to, of course. Divide the power in half and subtract it from 100. 40kW should be seen at 80% SoC.
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Why can the Sr+ only hit 102 max while the long range maxes at 250? If the SR+ has about 66% of the long range shouldn't the SR get closer to 166 KW? Is Tesla intentionally limiting the charging speeds? Ideally they would let it max out as much as possible for a faster turn around at the super chargers.
bwilson4web
hit the spot
I'm just glad it reaches 102-104 kW, peak charging rate. As it is, the A/C comes on at the end of of the 102-104 kW period. As the charge tapers down, the A/C soon returns to more 'normal' levels.
Bob Wilson
The MR and SR+ charging profiles are currently charging at the same C-rate as the LR cars on a 150kW Supercharger. While all LR cars on 19.20.1+ can go to Fremont and charge at 250kW, I think they consider those V3 rates still in testing. If they rolled out the similar profiles on SR+ cars, they could experience almost the same high c-rates on a V2 stall as the LR cars experience at V3. I do expect they'll roll these higher rates out to MR and SR cars, I just don't know when.
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