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@JWilde I'm pretty sure it's NVIDIA Tegra based, not x86, so the processor power should be fairly modest on that front.

As for the drain, I'm sure it's more likely radio comms. 3G / fob scanning / WiFi and generally poor power management because Debian isn't really optimised for power consumption in the way iOS / Android are.

Anecdotally I noticed it seemed to be more pronounced the higher the SOC was. So it could also have something to do with the BMS and/or how the car decides how frequently the car talks to mothership based on SOC.
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