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  1. darth_vad3r

    That crappy degradation chart made less crappy (you know the one)

    By now everyone's seen this chart: It's crap. Why? Because the Dynamic Stress Test (DST) Cycle they are using on the x-axis is the actual test cycle that only goes X% based on the legend (i.e. 10% for 75-65%, 60% for 100-40%) and *not* a battery "cycle" that would make comparing these lines...
  2. darth_vad3r

    Regenerative braking hysteresis and/or "energy buffer" (miles don't tick up or down)

    TL; DR - Pulling a snippet of a quote from another thread ... I was wondering if anyone else has experienced this regen hysteresis, and may have gathered data via the API or some 3rd party service like TeslaFi monitoring your drive? or better yet perhaps even the CAN bus? I recently did a test...
  3. darth_vad3r

    Does “shore power” go through the battery?

    Can the car route “shore power” directly to accessories? (well not directly directly, but after AC to DC conversion. e.g. If you have 6 kW AC input power and then turn ~1 kW of accessories on (AC + high fan?) is the car (a) sending all 6 kW to the battery and taking 1 kW out of the battery, or...
  4. darth_vad3r

    Trip meter counts energy used while stopped (in Drive, but not in Park) - with test results

    Re-posting the test methodology I posted earlier in this post #80 in this thread here: Tips on how I averaged~190 wh/mi for 17,000 miles (so far...) ... along with test results now that demonstrate this is how it works. The premise is that the trip meter is based on an internal odometer and...
  5. darth_vad3r

    Estimating battery capacity based on Supercharging readout

    Has anyone done this / compiled data on this? TL;DR, using only what the car shows me while supercharging, my SR+ has a capacity* of 52.52688 kWh Technique: Take a video of your screen while your supercharging session ramps up. When the display ticks up to your rated capacity per hour, read...
  6. darth_vad3r

    Method to calculate/extrapolate battery capacity from trip consumption

    Someone on a battery usage thread got me thinking to look at this method a bit closer for myself. TL;DR if you have a long enough trip with data points at the start/end, you can use the trip meter info to back-calculate what the car's drop in displayed % or km range equals in actual energy...