Grounding Plug ( North America )

The two active plugs are duds are do not connect to anything while the ground plug connects to the wire and then alligator clip. When plugged in the alligator clip can be connected to anything and provide 100% efficient grounding.

EcoFlow Portable Power Station Grounding Adapter (for DELTA Pro/DELTA Max)

Electric Vehicle Charging: With the grounding adapter, use a DELTA Pro or DELTA Max to charge your RV&EV safely as an emergency backup power, giving you the extra mileElectric Vehicle Charging: With the grounding adapter, use a DELTA Pro or DELTA Max to charge your EV safely as an emergency backup power, giving you the extra mileOnly use the USB-C Cable included with a portable power station grounding adapter; The Cable does not have any charging function, and other USB-C cables should not be used instead;Only use the USB-C Cable included with a portable power station grounding adapter; The Cable does not have any charging function, and other USB-C cables should not be used instead