battery heater and days subzero parking

[BrockWI]

This should be easy to test: park a black and a white Leaf for an 8-hour workday. Open inspection port in each and shoot the battery with an IR thermometer.

Or doing the same thing and then just check the battery temps with leaf spy

 

[eatsleafsandshoots]

This should be easy to test: park a black and a white Leaf for an 8-hour workday. Open inspection port in each and shoot the battery with an IR thermometer.

Or doing the same thing and then just check the battery temps with leaf spy

Gotta stick with the same instrument when you're comparing measurements. Thermistors can be notoriously badly calibrated and thus not reliable.

 

[arnis]

Thermistors can be notoriously badly calibrated and thus not reliable.

No. Temperature of handheld IR-thermometer matters more than thermistor production tolerances.