TickTock said:
Thanks for all the inputs, I decided to put them all in a spreadsheet so I could easily normalize all the datapoints (last column):
Leaf Capacity Variation
I wasn't sure about the date of Waidy's last datapoint (put in a guess of 6/6/2012) and GerryAZ's datapoint (he said this was when the car was new so I put a guess of 0 days).
Tick Tock,
I have been trying to compile my shutdown-to-100% charges into a meaningful spreadsheet to get a better picture of my battery capacity status. I have multiple data points, but have been trying to make sure the data is accurate before I send it to you. Unfortunately, my data recording became more thorough as time went on so the early events have some margin of error and I want to make sure I can support the data I send. For now, please replace the two data points you have from me with data points which I know are correct:
10/15/2011 4298 miles 22.54 kWh CW 13.7 kWh
12/08/2011 6301 miles 23.48 kWh CW 15.8 kWh
6/23/2012 11536 miles 20.35 kWh CW 14.0 kWh
6/30/2012 11728 miles 21.28 kWh CW 14.5 kWh (first capacity bar was lost at 11731 miles on 7/1/2012)
7/27/2012 13163 miles 20.97 kWh CW 14.3 kWh
As you can see, there is some variation in the numbers. I had all 12 capacity bars on the morning of 7/1/2012 before driving 3 miles to a restaurant for breakfast. I had 12 bars (both SOC and capacity) when I turned it off and 12 SOC bars with 11 capacity bars when I turned it back on an hour or so later. For what it is worth, CarWings energy use for my first charge from shutdown on 6/23/2011 at 396 miles was 15.8 kWh which matches the 12/8/2011 charge.
Incidentally, the car's instrumentation became erratic after losing the first capacity bar. SOC bars sometimes disappear quickly and other times are more like they used to be. The GOM (Nissan calls it the DTE meter) is all over the place--much worse than it was before losing the capacity bar. The first low battery warning (LBW) consistently comes sooner than it did before, but the range between LBW and the very low battery warning (VLBW) has increased significantly and the distance from VLBW to Turtle has also increased about the same amount as the increase between LBW and VLBW. The net effect is that the range is about the same as before the loss of the capacity bar, but much more of the mileage is after LBW.
Edited to add: I lost the second capacity bar at 13834 miles on 8/8/2012 (just before going on vacation), but I have not noted any additional changes to the instrumentation or loss of actual driving range.
Thanks,
Gerry
