It supports DC fast charging up to 195 kW, enabling a 10-80% charge in approximately 34 minutes. AC charging at 11 kW takes about 10.5 hours for a full charge . For buyers considering the Rolls-Royce Spectre, 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.