I have ~40 kWH of Franklin battery backup behind my solar panels today.
https://www.ecodirect.com/FranklinWH-FHP-13-6-kWh-AC-Battery...
Tell me again how this technology hasn't happened yet?
https://www.ecodirect.com/FranklinWH-FHP-13-6-kWh-AC-Battery...
Tell me again how this technology hasn't happened yet?
$3600+/year.
Great investment, and no more power failures. But also, OP said this technology doesn't exist. You're pivoting to it exists but you can't afford it. Different question.