It supports 800V ultra-fast charging; 10%-80% charge can be completed in 18 minutes with a DC fast charger. For buyers considering the Kia EV6, that matters because it affects how easy the car is to live with, whether for commuting, family use, long-distance driving or ownership costs. The useful way to read this is not as an isolated specification, but as a clue to how the car will feel in real daily use.