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This is an old article, it's 15 years old which makes it ancient in the battery world. I have a Prius from that generation and mine doesn't have V2G. I can't find any numbers, how many Priuses actually have V2G capability?

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It's always been done by connecting an inverter to the big Prius battery.

Here's a link to one company that sells the kits:

https://www.plugoutpower.com/

Don't see anything on that page about consequences for your Toyota warranty. Assuming it's invalidated, this looks like a solution for owners of older hybrids only.

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