What is V1G (unidirectional smart, managed, or controlled charging) and how does this differ from V2X / V2G?

V1G, also known as “managed” or “smart” charging, uses unidirectional charging, which only goes one way – from grid to vehicle. V1G ensures that EVs are charged when they need to be driven while avoiding excessive charging when electricity rates are high. V1G functions to avoid charging at potentially costly times (as much as possible), but…