Looks like we can buy it directly from GM:
https://www.gmpartsonline.net/oem-parts ... VsZWN0cmlj
That's something than EVERYONE wants to upgrade in our cars.
Edit fixed link June 2018
One is 240V AC going to the onboard charger, then DC from that to the battery. The DC wires from the charger to the battery may need to be upgraded.SparkevBlogspot wrote:7.2 kW at 240V is 30A. But going to the battery would be ~370V, which would be about 20A. Is the bus bar unable to handle even 20A? It's hard to believe since DCFC is close to 125A.
t might be cheaper to just lease a Bolt.