Whole-Home Backup
A battery system sized to power an entire home during a grid outage, as opposed to backing up only essential/critical loads. Typically requires 2-4 batteries (30-50+ kWh).
Why It Matters
Whole-home backup eliminates the need to choose which circuits to prioritize during outages. It's the premium option, costing $15,000-$40,000+ more than a critical-loads-only setup.
Real-World Example
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