Should 2.5 square or 4 square extension cords be used for new energy vehicles?

[AlainaAnn]

Both 2.5 square and 4 square extension cords can be used for new energy vehicles. Definition of new energy vehicles: New energy vehicles refer to automobiles that utilize unconventional vehicle fuels as power sources (or use conventional vehicle fuels with new onboard power devices), integrating advanced technologies in vehicle power control and driving systems, resulting in vehicles with advanced technical principles, new technologies, and innovative structures. Classification of new energy vehicles: New energy vehicles include pure electric vehicles, extended-range electric vehicles, hybrid electric vehicles, hydrogen engine vehicles, etc. Pure electric vehicles are a type of vehicle that uses a single battery as the energy storage power source.