The multiple TeslaBjorn YT videos demonstrate this is not the case. Additionally when extremely cold the BMS displays SoC as less than actual to account for need to heat up battery with battery energy before drivingthe BMS does heat the battery while parked, to ensure that the battery temp will no drop below critical and cause damage.
@AAKEE
Does anyone know what the nominal "operating" temperature is for the Tesla battery - for nominal driving (not supercharging)
Yesterday's temps immediately after city driving:
I am thinking operating temp is around mid 30⁰C because the battery inlet loop temp is 36⁰C. It was also the same when ambient temp was 37⁰C earlier in the afternoon.
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