+1
Answered

What does it mean to calibrate the Kwh calculations for your car?

kvandivo 2 years ago updated by Delbertrtiz 1 week ago 2

At the bottom of my homepage it says:

Please complete a charge to 90% or more to calibrate the Kwh calculations for your car. Calibrations are updated every 12 hours.


Is this persistent, or should it go away after the first 90%+ charge?  Overnight I charged to 94% just so TeslaFi could make itself happy on this, and I'm still seeing the note.  Is there any way we can discern that the Kwh calculations have, in fact, been calibrated?  What is the calibrated value?  Basically I just don't quite understand what I accomplished by charging to 90%+.  Thanks!


Answer

+2
Answer
Answered

Hi,


Yes, it looks like your calibration message went away. 


Once a charge at or above 90% is completed TeslaFi extrapolates it into what your range is at 100%.  Since kWh usage is not provided via the API all of the kWh calculations are based on how many rated miles are used, total rated miles available at 100% and your battery size.  Until that 90% charge is complete TeslaFi just uses a standard max charge number.  Each data point is also stamped with your max range at the time so as the battery degrades and your max range lowers previous data points won't be affected.


Hopefully that helps.


James

+2
Answer
Answered

Hi,


Yes, it looks like your calibration message went away. 


Once a charge at or above 90% is completed TeslaFi extrapolates it into what your range is at 100%.  Since kWh usage is not provided via the API all of the kWh calculations are based on how many rated miles are used, total rated miles available at 100% and your battery size.  Until that 90% charge is complete TeslaFi just uses a standard max charge number.  Each data point is also stamped with your max range at the time so as the battery degrades and your max range lowers previous data points won't be affected.


Hopefully that helps.


James

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