EcoFlow Landstrom adapter for portable power station DELTA Pro for charging electric vehicles: Use a DELTA Pro, DELTA 2 Max, DELTA 2, or DELTA Max as a backup power supply for your electric vehicle to go the extra mile. Only use the USB-C cable that comes with a grounding adapter for the portable power station. The cable does not have a charging function, and other USB-C cables should not be used. Please check the AC charging port of your DELTA Pro to ensure compatibility: C20 plug type for DELTA Pro and C14 plug type for DELTA 2, DELTA 2 Max, DELTA Max.