What should you be aware of when charging purely electric vehicles?

You answered correctly. When charging purely electric vehicles, two important factors must be considered. First, the charge time depends on the power supply; faster charging stations provide more power, which reduces charging time. Second, for safety and compatibility, always use a charging cable approved by the manufacturer. Not all filling stations offer charging for electric vehicles, so that answer is not correct. Knowing these points helps ensure proper and safe charging of electric vehicles.