I've seen our Bolt call for power in a cold morning to condition the pack. This separate from preheating the car which also draws power.
2017 Bolt LT with DCFC, leased 11/09/17
2015 Nissan S with QC, leased, returned
2013 Chevy Volt Premium, used, sold
L2; ClipperCreek HCS-40; Jesla; JDapter Stub