Setup for this level of integration is much far more involved, requiring a particular vehicle that supports the engineering, a smart home power panel that can accept power from an EV as well as bidirectional charger itself, which is commonly noticeably more expensive than the usual normal Level 2 charger. https://flenzy.store/versatile-300w-500w-portable-power-station-emergency-rechargeable-generator-with-qc3-0-dual-voltage-110v-220v/