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The best all-in-one systems for whole-home backup (2026)

Curated by The Off Grid Outpost editorial, last verified May 5, 2026

Wall-mount inverter-battery systems sized to back up an entire average US home, single-cabinet 12kW+ continuous output with integrated batteries.

How we picked

A residential AIO with 12kW continuous and 15+kWh integrated capacity replaces the inverter-and-battery stack in one box. Less wiring, faster install, single point of integration with the panel.

No catalog products currently match this criterion. Catalog refreshes weekly, check back, or browse the full catalog at /products .

Methodology

Selections are filtered programmatically against the Off Grid Outpost catalog using verified manufacturer-datasheet specs. Editorial review verifies each list quarterly. We do not accept payment for placement, ranking reflects fit-for-purpose, not affiliate margin. See our affiliate disclosure for full details.