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As Tesla moves to replace the 12 volt subsystem with 48 volts, it would seem even more plausible to do V2L by routing outgoing power through the 48 volt system.

The Ford F150 Lightning does V2L through the 9.6kW of on-board inverters. Fairly sure it's not capable of sending that back through J1772 / CCS2 unless I'm mistaken?

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The F150 Lightning does V2L via the CCS port. It's supported, just the only car that I'm aware of that does this is the F150 Lightning.

Ioniq 5 does it too

Ah right, via the weird dongle they have. It's not integrated into a home backup setup like the F150L, though.

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