2018 Bolt EV Premier Nightfall Gray
Or, GM asked him not to pursue it.I never found Kelly's dismissal directly, but this site: Can DCFC be added later? – All EV Info
quotes him as saying "No video yet, I was too disgusted with how different EVERYTHING is on a vehicle without DCFC. It is ridiculous, it could have been such a simple upgrade." and presumes to conclude that he found it impossible. I doubt that's fully correct. But given that he showed in one of his tear-down videos that he had the needed module in hand (bought off Ebay with intentions of upgrading), and apparently decided later not to proceed, I conclude that he found it impractical.