Tones of carbon dioxide have been reduced. The EV charging station business is highly profitable . There are two main types: AC charging stations and DC charging stations.  Batteries can only be charged with direct current (DC), For this reason, most electric vehicles have a built-in AC-to-DC converter. To charge from the AC power supplied by the electrical grid, EVs have a small AC-to-DC converter built into the vehicle. The charging cable supplies AC power directly from the grid, and the vehicle converts this power to DC internally and charges its battery.