Appliance for recharging batteries of electric vehicles by means of a conventional domestic electric supply mains, comprising: - first electric connection means provided with a connector connected to a conventional power socket of a domestic electric supply mains; - second electric connection means provided with a cable and a connector connected to a complementary power socket of an electric vehicle; - power supply means associated with said first and second electric connection means (2, 4) and configured for converting the electric energy absorbed from said domestic electric supply mains into electric energy deliverable to said electric vehicle; - management and control means associated with said supply mains and with said power supply means; - wherein said management and control means comprise a checking unit configured for checking the available electric power on said domestic electric supply mains, determined according to the maximum electric power deliverable from said supply mains and to the electric power absorbed by possible electric units connected to said supply mains, wherein said available electric power is equal to the difference between said maximum deliverable electric power and said absorbed electric power; - wherein said checking unit is associated with a meter device of the type of a conventional meter device used in private homes and suitable for measuring the electricity dispensed by said domestic electric supply mains; - a regulation unit configured for regulating the electric power delivered by said power supply means to said vehicle according to said available electric power on the domestic electric supply mains, wherein said electric power delivered is equal to said available electric power.; - wherein said checking unit is located near said meter device and said regulation unit is located in the proximity of said vehicle, and - wherein said management and control means comprise transmitting/receiving means suitable for transmitting/receiving data between said checking unit and said regulation unit. - first electric connection means provided with a connector connected to a conventional power socket of a domestic electric supply mains; - second electric connection means provided with a cable and a connector connected to a complementary power socket of an electric vehicle; - power supply means associated with said first and second electric connection means (2, 4) and configured for converting the electric energy absorbed from said domestic electric supply mains into electric energy deliverable to said electric vehicle; - management and control means associated with said supply mains and with said power supply means; - wherein said management and control means comprise a checking unit configured for checking the available electric power on said domestic electric supply mains, determined according to the maximum electric power deliverable from said supply mains and to the electric power absorbed by possible electric units connected to said supply mains, wherein said available electric power is equal to the difference between said maximum deliverable electric power and said absorbed electric power; - wherein said checking unit is associated with a meter device of the type of a conventional meter device used in private homes and suitable for measuring the electricity dispensed by said domestic electric supply mains; - a regulation unit configured for regulating the electric power delivered by said power supply means to said vehicle according to said available electric power on the domestic electric supply mains, wherein said electric power delivered is equal to said available electric power.; - wherein said checking unit is located near said meter device and said regulation unit is located in the proximity of said vehicle, and - wherein said management and control means comprise transmitting/receiving means suitable for transmitting/receiving data between said checking unit and said regulation unit.