12V 10A DC converter regulator, voltage reducer for Tesla with Lithium Battery, and other vehicles with 24V batteries So no additional grounding is

So no additional grounding is necessary as that has been taken care of in the design of the adapter

TT-30 Adapter (30A RV outlets)

Which adapter do you need

our adapter has an internal circuit that communicates with the car to automatically set the appropriate 16 amp charging current

Note about product condition options: We may offer a choice of new or open box condition

12V 10A DC converter regulator, voltage reducer for Tesla with Lithium Battery, and other vehicles with 24V batteries So no additional grounding isConverts the higher voltage from Tesla 12V accessory outlets to a regulated 13. 8V for reliable operation of all your accessories. Also great for vehicles with 24V DC outlets and other vehicles with high voltage or unregulated DC outlets. New Tesla Model 3 and Model Y vehicles come with a lithium 12V accessory battery, which actually outputs up to 16 volts. This higher voltage may reduce the life of accessories that you might want to power from the