I would point out that both the Model S and X may very well have the circuitry to completely disconnect the cell pack at something below 10% actual charge (not

I would point out that both the Model S and X may very well have the circuitry to completely disconnect the cell pack at something below 10% actual charge (not displayed charge). I'm also really wondering how much of this is self discharge, and how much of this is poor load control of the standby electronics.