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Your Smart Home Dies in a Blackout: The 2026 Guide to UPS Backup, Cellular Failover, and the Three Devices Worth Saving
A power cut takes out your router, hub and entire Zigbee/Thread mesh at once. The $139.99 fix that covers most outages, when a LiFePO4 power station is worth it, what eero Signal's $99.99 dongle really costs, and why Matter still has no UPS device type.
