I think the number I heard for heating the battery was 1.3kW. The model S battery is long and flat and hence has lots of exposed surface to lose heat. Also, it

I think the number I heard for heating the battery was 1.3kW. The model S battery is long and flat and hence has lots of exposed surface to lose heat. Also, it was in the teens when the original reporter left his car outside. So, is plausable.