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  1. J

    Range Loss Over Time, What Can Be Expected, Efficiency, How to Maintain Battery Health

    I did a test this afternoon from I680 mission blvd ramp (exit12) to Danville. Total distance is around 26 miles. I set speed limit 75miles/hr. Wh/mi is 305 which is not as bad as I thought. outside temperature is around 62~64F. This time the test drive is a bit different than I did before. I...
  2. J

    Range Loss Over Time, What Can Be Expected, Efficiency, How to Maintain Battery Health

    gaswalla, Thanks for the suggestion. let me try it and get back you
  3. J

    Range Loss Over Time, What Can Be Expected, Efficiency, How to Maintain Battery Health

    AxlxA, Totally agree with you. that's why it upset me. which I680 ramp you starts for the test, mission blvd? I think I can do a test this afternoon.
  4. J

    Range Loss Over Time, What Can Be Expected, Efficiency, How to Maintain Battery Health

    hi Alexgr, I am wondering have you kept the record of battery percentage change(%) vs miles drive. if you also get around 290 Wh/mi, we can compare the miles can go with certain percentage of battery consumed. (for me, it is 78miles for 40% battery under 50-60F and 300 Wh/mi) of course, test...
  5. J

    Range Loss Over Time, What Can Be Expected, Efficiency, How to Maintain Battery Health

    OCR1, Yes, my test are normally over 20~30miles. and see 10% battery drop for every 20miles
  6. J

    Range Loss Over Time, What Can Be Expected, Efficiency, How to Maintain Battery Health

    I do remove wheel cap. Some online data shows roughly 3~5% performance loss. I will put it back to test again. Thanks
  7. J

    Range Loss Over Time, What Can Be Expected, Efficiency, How to Maintain Battery Health

    akenham, Thanks for the reply. below is my data battery display in miles: 144mile battery display in % : 50% in energy graph efficiency: 302 Wh/mi project range: 115mi Total capacity = 69.46KWh. the number looks not bad. However, the real driving experince is more like the number captured in...
  8. J

    Range Loss Over Time, What Can Be Expected, Efficiency, How to Maintain Battery Health

    I live bayarea California. The temperature is around 50F at the time I capture image. I did several test daytime around 60F~65F. not much different. My tire is 44-45psi. I don't use heat a lot. in-car temparture set 68F and fan is normally around 2-4 Joe
  9. J

    Range Loss Over Time, What Can Be Expected, Efficiency, How to Maintain Battery Health

    I bought my model 3 AWD long range last December and mileage now is 13000miles. Recently. I found my car's driving range suddenly drop and Wh/mi raises a lot. Now, every time I charge my car to 80%, I can only drive less than 100 miles when battery percentage reaches 30% which means the full...