This final thesis describes the principle of electric chargers for electric vehicles. The types, charging modes and the costs of the charging stations are described. It also describes in detail how to charge the batteries of an electric vehicle, through the network in combination with renewable energy sources. The types of modules and chargers, their advantages and disadvantages, are also described. At the end of the paper, the advantages, and disadvantages of switching from diesel and gasoline engines to electric motors are listed as well as and the general impact of the connection of electric vehicles to the electricity network