1 screen on your Model 3 or Model Y tells you if it can help back up your home.
Touchscreen > Software > Additional Vehicle Information. If "Powershare Support" says Enabled, it's capable (firmware 2026.32.6 or later).
For home backup you also need Powerwall 3 plus a Wall Connector 3 or Universal Wall Connector. #
Powershare# #
Powerwall#
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American Home Contractors | MD & VA