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  1. Matteo

    MaxRange

    TLDR: It looks like temperature does affect displayed range. Hi. @Go4IT. Thanks for your message on the feedback tab in the spreadsheet here. I wanted to respond here because other users might find this interesting too. After your message, I have looked into the data and at first, I didn't...
  2. Matteo

    MaxRange

    Hi, @scottf200. This is @Merijn's project but I provide free technical support for a long time, therefore I should probably respond. We used to have the feature you have described on the Stats tab. It was active for a while but I noticed that some users saw that as a kind of competition and it...
  3. Matteo

    Expected CPO Range at Delivery

    Hi. At 55K miles the average remaining battery capacity for Model S/X is 94.5%. For the S85D, that would be 270*0.945= 255 miles with range mode on or 252 mi with range mode off. The following chart is based on survey data you can find here. To see mileage in miles, you can select a random...
  4. Matteo

    Frequently Supercharging Your Model X Bad For The Battery?

    Hi. There is no data to support the argument that supercharging more often is bad for the battery. The two charts below are from the MaxRange Tesla battery survey. The second chart with the blue dots shows remaining range versus mileage. Each dot represents an entry. Many users submit multiple...
  5. Matteo

    CPO lower than expected mile range

    Hi. It's too low. At 29,000 miles, the average is 95.5% of original range. If you want you can enter your data here. Then go to the charts page and select your username. This will show how your range compares to all the other entries. Take a screenshot of that so if somebody from Tesla says...
  6. Matteo

    Grandfather Free Supercharging Please

    Check out the following video after 17:28. During a test drive, a Tesla employee says Tesla could cancel free supercharging once the car is not owned by the original owner anymore because there is nothing in the contract preventing them doing this. I thought that was an interesting argument. I...
  7. Matteo

    MaxRange

    Hi. One of the users in the MaxRange Survey says he doesn't see a range increase in his 90D when range mode is turned on. Could some of you confirm whether the increase in this video still happens in 2016 model Teslas? Thanks
  8. Matteo

    Degradation at 94.000 miles

    Hi @ThosEM. 100% refers to a different number for each model. For example, for the S85 it means 269 miles rated range with range mode on. You might say, doesn't the S85 have 265 miles EPA rated range? It does but as you can see in this video when you turn range mode on, it instantly increases...
  9. Matteo

    An Update to our Supercharging Program

    Hi. Average supercharger use is 28.2 times/year based on this survey with 268 owners.
  10. Matteo

    My 90D 100% range closer to 75D'S EPA!?

    I agree with @NOLA_Mike's rebalancing suggestion. The car doesn't exactly know how much energy the battery holds. It tries to estimate that. However, the estimates become inaccurate over time if you never fully discharge the battery or if you never fully charge the battery. You need to do both...
  11. Matteo

    Battery Capacity

    Hi. There is a battery survey here where you can enter your data if you want. It will show remaining percentage in column S and remaining capacity in column T. After you have entered your data, you can go to the Charts tab and select your username to see how your degradation compares to others.
  12. Matteo

    Elon confirms metal snake supercharger

    Hi. The following video provides a little more background where the snake charger came from. It is based on modular micro-robotics. Start watching at 18:11. Here is a direct link to the correct moment.
  13. Matteo

    What type of range degradation to be expected?

    @AZ Desert Driver, The Model S doesn't report what the rated range was when the car was new. These numbers are published on Tesla website, as well as the EPA website HERE. On that page, you can see that the S60D has 218 miles EPA rated range. That's the number the sheet uses in calculations...
  14. Matteo

    What type of range degradation to be expected?

    Hi, In addition to the data provided by others, here is a chart from the MaxRange Battery Survey. You can add your data if you want and then select your username on charts page and it will show your entries in a different color like this. Let me know if you have any questions. I provide free...
  15. Matteo

    100% mileage on MS 70D

    @SBarnes, Like you guessed, the EPA rated range system is not used in Europe. In fact, Tesla uses EPA rated range only in North America. Outside North America, all Model S or X cars display typical range or NEDC rated range, whichever the driver selects in settings. Because NEDC rated range is...
  16. Matteo

    I'm thinking of getting a Model S: Would you recommend it?

    Hi, The battery in the Model S is not something that needs replacing unless you are a commercial driver with very high mileage. At 100,000 miles you should expect to have 93% of capacity left. The chart below is from the survey HERE.
  17. Matteo

    does battery degradation plateau, or is it more straight-line, or what is the shape of the curve?

    Hi, This is how the curve looks like. You can add your data to the same survey HERE.
  18. Matteo

    Supercharging Price - What if it is $2500?

    Hi, When Elon talked about this he said "if users select that package", meaning there will be multiple packages. Therefore I would expect at least two options, lifetime supercharging and pay per use. According to the stats page of THIS survey with over 200 Tesla owners, average supercharger...
  19. Matteo

    Supercharging letter from Tesla 8-13-2015

    I can provide data about that. In the survey in my signature (here), we ask Model S owners about frequency of supercharging and 117 people selected the answer you see in this table. This is 117 unique users. To make stats accurate we count only the last entry from each user. Supercharging...
  20. Matteo

    Supercharging letter from Tesla 8-13-2015

    This quarter for the first time Tesla has lost more money than they have spent on R&D. In the past Elon said if Tesla didn't spend money on research and development, they would be profitable. That was true for previous quarters. However this quarter they spent $182 million on R&D and they lost...
  21. Matteo

    My P85D's efficiency is still improving with firmware updates

    The only thing this test shows is, your range changes when air density changes. Air density is kg of air in 1 cubic metre volume. That number changes all the time. When temperature increases air density drops, making it easier to cut through air and decreasing Wh/mi. If you continue the tests...
  22. Matteo

    Premium Center Console questions

    Andyw2100, you could follow this example if all else has failed.
  23. Matteo

    Premium Center Console questions

    This video was on the order page. I guess the reason they removed it is because it shows a different trim. Tesla collected orders and payment for different trims but after months they said we give up, we can't do different trims and refunded the money.
  24. Matteo

    Supercharging letter from Tesla 8-13-2015

    This is not unique to supercharger marketing. On Tesla website the Model S page, order page and supercharger pages have lots statements that give a different impression. These are related to how autopilot lane change will work, what autopilot features are available now, what the range of Model S...
  25. Matteo

    My P85D's efficiency is still improving with firmware updates

    I don't understand that part. Obviously you don't mean temperature is the same in June, July and August. The table shows that, in different months of the year your range is different. Each time you add two months to the table, your range numbers will be different until you go around a circle...
  26. Matteo

    Supercharging letter from Tesla 8-13-2015

    Explain that to Kevin Sharpe, the Roadster owner from the UK. His lawyer asked Tesla to provide detailed data and the data Tesla gave them shows he has a faulty brick that was misbehaving before he took delivery of his new car. Details. News article. You can contact him if you want to know...
  27. Matteo

    Supercharging letter from Tesla 8-13-2015

    We know because JB Straubel said so. Watch from 13:25 The Future of Transportation t=13m25s Below is a projection based on modest yearly increases. According to that we will hit 1 million Teslas in 2020. I said 2018, not too far. year production that year running total 2012 26,500 26,500...
  28. Matteo

    Supercharging letter from Tesla 8-13-2015

    Teslas are already used for UBER and taxis and some of those use superchargers. Also I expect much sooner than 15 years. I expect free supercharging to end in 2018 when Model 3 goes into full production. If MS and X had free supercharging and Model 3 didn't then it would make Model 3 look second...
  29. Matteo

    Supercharging letter from Tesla 8-13-2015

    Sometimes Tesla's advertisement is overly optimistic and sounds better than what they are actually offering. For example the order page says "8 year, infinite mile battery warranty". "Infinite miles" sounds great. It sounds like you can drive as much as you want and not worry about the battery...
  30. Matteo

    Supercharging letter from Tesla 8-13-2015

    In the video I mentioned earlier, supercharging comes up at 17:35. The sales advisor talks about a contract. https://www.youtube.com/watch?v=9S4HqTxOUD0#t=17m35s
  31. Matteo

    Supercharging letter from Tesla 8-13-2015

    I have found that video. I'm absolutely sure it is this one because I wrote a comment about that when I watched. The video is over 1h long. I don't know at what time exactly he said it. I agree, they don't know much. 2015 Tesla Model S P85D FULL Test Drive Experience - YouTube
  32. Matteo

    Supercharging letter from Tesla 8-13-2015

    Max* I agree with you however I watch lots of Tesla stuff (see topic in my signature) and in one of the videos I happened to come across a Tesla sales advisor who argued otherwise. They were doing a test drive and the sales advisor said to the potential buyer that Tesla might cancel free...
  33. Matteo

    Supercharging letter from Tesla 8-13-2015

    They could do that but resale value of Teslas would drop and it would upset lots of owners and scare away potential buyers.
  34. Matteo

    Supercharging letter from Tesla 8-13-2015

    A typical owner might sell the car after 5 years but supercharging is attached to the car, not the owner. After you sell the car, the car continues to have free supercharging. Most current Model S cars that have free supercharging for life will end up as taxis and Uber cars. They will get old...
  35. Matteo

    Letter-gate poll. Did you receive the Supercharger 'please less local charging' lette

    I don't think the communications department had anything to do with creating the algorithm. The chief information officer at Tesla is Jay Vijayan. His twitter is below. You could contact both but I wouldn't expect any answer from either. I contacted different people from Tesla on twitter a few...
  36. Matteo

    Supercharging letter from Tesla 8-13-2015

    Max, actually find the code confusing. Can you use IF, AND, OR instead if you write more versions? I love excel :smile:
  37. Matteo

    Supercharging letter from Tesla 8-13-2015

    Yes that was my idea. Let's say the station is 30 miles from home and somebody returns from a trip and supercharges at that station before driving home. This system allows them adding 60 miles charge. Plus they have any buffer they had when they arrived at the station. However I noticed v3...
  38. Matteo

    Supercharging letter from Tesla 8-13-2015

    OK. I have a new idea that largely passes the test below. It fails for a subsection of C if the station is close to weekend location. Algorithm v3: 1. Measure kWh added at supercharger 2. If 50% of kWh added is consumed within 12 hours, OK, otherwise flag user. Flag this: A) If someone is...
  39. Matteo

    Tesla Referral Program

    OK, I changed it. However the point here is, there is an unnecessary luck aspect to this competition. Bjorn was far ahead. Now other people are closing in and they are not allowing Bjorn to go past 10. The contest continues until 31 Oct 2015. A few others will reach 10 in Bjorn's category. What...
  40. Matteo

    Supercharging letter from Tesla 8-13-2015

    Max I'm not sure I understand your latest version. More specifically how it flags A but doesn't B. It looks like you have not flagged anybody. Flag this: A) If someone is using local superchargers for daily driving. Don't flag any of these: B) If someone is going to work daily using 1...
  41. Matteo

    Supercharging letter from Tesla 8-13-2015

    Did you see my new solution here. If you agree I would like to see a code version. We should change it to within 1 mile radius of GPS location because each night the user might park at different locations on the street and then walk home.
  42. Matteo

    Supercharging letter from Tesla 8-13-2015

    Max*, Your algorithm would fail if somebody has a weekend location. Imagine Home to supercharger is 49 miles. Supercharger to weekend location is 190 miles. The person is using his Model S only to drive from home to weekend location. He has a smart EV for city driving at home and another smart...
  43. Matteo

    Supercharging letter from Tesla 8-13-2015

    Max*, I was having trouble defining home. Therefore I avoided using it in both algorithms. We can not use an address that was declared. That could be wrong or changed. Also a person might live in more than one location. Therefore initially I came up with +20% supercharging and 10+ same...
  44. Matteo

    Supercharging letter from Tesla 8-13-2015

    Update: The version below was later superseded by version 3 in message #437. -------------------------------- OK, I think I have an idea that might work. I picked a user who has a weekend location he visits regularly. At the same time this user is abusing local superchargers near home and near...
  45. Matteo

    Supercharging letter from Tesla 8-13-2015

    mknox, I was thinking about the same thing. I see my algorithm would include people who do long distance trips all the time. I'm not sure how to exclude them. Assuming somebody is using the Model S only to drive to one location 400 miles away and there is a supercharger 300 miles away from...
  46. Matteo

    Supercharging letter from Tesla 8-13-2015

    Max* and Johan, I'm trying to understand how things might look from a user's perspective who does a lot of long distance trips. Can you answer these two questions: In last 365 days, 1. What percentage of total charging happened at superchargers? 2. What is the maximum number of times you...
  47. Matteo

    Supercharging letter from Tesla 8-13-2015

    Even if we assume only Model S owners answered the poll, 19 out of 171 people said they received it. Therefore 19/171= 11.11% That is still a large number considering delivery VINs are around 98,500. Somewhere between 6 to 11 thousand people must have received the email. I don't think it matters...
  48. Matteo

    Supercharging letter from Tesla 8-13-2015

    Update: The version below was later superseded by version 3 in message #437. -------------------------------- If Tesla has emailed the wrong people, obviously these people had a bad experience with Tesla. The fear is, Tesla will continue monitoring the same people for a few months and then...
  49. Matteo

    Supercharging letter from Tesla 8-13-2015

    I think we would all agree that almost everyone in this forum is supportive of Tesla. However not every supporter is helpful to Tesla. The most helpful forum members approach topics this way: admit when Tesla makes a mistake; empathize and try to help people who have been negatively affect by...
  50. Matteo

    Tesla Referral Program

    That would fix the problem if they had indeed done this but this is not the case. Bjorn's referrals never showed over 10. It is still possible Bjorn might lose unfairly because they are not allowing him past 10 referrals and the second person is closing in. The referrals will continue until...

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