Here are the last two but it is consistent. Somehow my car is very efficient when charging.
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Take a look at the data from the charges at home by clicking on the battery. I'm guessing it's because you have some connection issues at home which would be represented by gaps in the data. If there's a gap the calculation will copy the last good data point into the calculation. If it's a couple gaps it's no big deal but multiple gaps will not take into account the charging curve correctly. Ultimately I need to display "n/a" on instances like this on the kWh used and efficiency fields since the data is not there and it I can't interpret it correctly. This has been brought up before but I have not gotten to it yet.
As far as the supercharge, check the data as well, I do have a bug listed in the tracker for over estimating supercharges but that one seems higher than normal. If you want to PM me your username I can take a look.