Tesla Cybertruck Powershare finally backs up homes with a Powerwall 3 — SkimNews
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- Tesla activated Cybertruck Powershare integration with Powerwall 3, enabling simultaneous home backup that adds more than three days of power, equivalent to nine additional Powerwalls.
- Cybertruck owners can now use the truck’s 123 kWh battery to extend Powerwall 3-run home backup, resolving a key limitation since the vehicle’s 2023 launch.
- Wes Morrill, Cybertruck lead engineer, attributed the nearly two-year delay to complex engineering challenges in synchronizing two grid-forming devices safely without network reliance.
- Tesla had previously delayed the feature from a promised 2025 rollout to mid-2026, with no firm date given as recently as August, despite earlier commitments.
- Powerwall 3 and Cybertruck together push up to 11.5 kW to a home but require a Universal Wall Connector and Powershare Gateway, with installation costs reported as high as $30,000 in some cases.
Why it matters: Tesla’s fix delivers critical functionality for high-end energy customers who invested in both Powerwall and Cybertruck, closing a glaring gap that made the truck unusable as backup for its most likely adopters. The nearly two-year delay and integration complexity reveal deeper technical hurdles in merging mobile and stationary grid-forming systems at scale.
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