They require a NEMA 14-50 receptacle, which Leviton also sells. Leviton will start shipping the model soon, and it starts at a very reasonable $473.57. Note that the plug-in charger will only ...

See Leviton T5636, T5635) POWERFUL - Two high-powered charging ports deliver a combined total of 6A charging current and 30 watts of power CONVENIENT: No more searching for charging adapters.