Neither station clears the known load checks
A runtime shown beside a failed or unknown fit is conditional: it applies only if the load starts and stays within the station limits.
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Scenario-anchored comparison
EcoFlow DELTA 2 vs BLUETTI AC180 for Full-size refrigerator
Same device load, same runtime assumptions, and source-backed station specs. This is a planning estimate, not a measured runtime test.
Scenario verdict
Full-size refrigerator: 500 W · 33%
EcoFlow DELTA 2
- Overall load fit: Does not fit
- AC output: 1,800 W · Fit: Pass
- Surge output: 2,700 W · Fit: Does not fit
- Modeled runtime: 4h 45m (if the load starts)
BLUETTI AC180
- Overall load fit: Does not fit
- AC output: 1,800 W · Fit: Pass
- Surge output: 2,700 W · Fit: Does not fit
- Modeled runtime: 5h 20m (if the load starts)
Specification comparison
A runtime shown beside a failed or unknown fit is conditional: it applies only if the load starts and stays within the station limits.
Swipe table sideways
| Key facts | EcoFlow DELTA 2 | BLUETTI AC180 |
|---|---|---|
| Modeled runtime | 4h 45m (if the load starts) | 5h 20m (if the load starts) |
| Overall load fit | Does not fit | Does not fit |
| Battery capacity | 1,024 Wh | 1,152 Wh |
| AC output | 1,800 W | 1,800 W |
| AC output · Fit | Pass | Pass |
| Device startup demand | 2,900 W | 2,900 W |
| Surge output | 2,700 W | 2,700 W |
| Surge output · Fit | Does not fit | Does not fit |
Planning inputs and evidence
The same source-backed load and calculation assumptions are used for both stations.
Load assumptions
- Typical wattage range: 300-800 W
- Planning default: 500 W
- Device startup demand: 2,900 W
- Average load: 33%
- AC output: AC · 85%
- Reserve: 10%
- Confidence: Estimated
Sources
- EnergySage refrigerator wattage guide
- Generac Home Standby Buyers Guide wattage worksheet
- EcoFlow DELTA 2 · Confidence: Verified
- BLUETTI AC180 · Confidence: Verified
Check sources and assumptions
Open the parent records before using this estimate for a purchase or backup plan.
Specification comparison
Use these as planning shortcuts, then confirm the full table and sources.
Full-size refrigerator
Fridges cycle on and off. The calculator treats the entered wattage as compressor running wattage and applies a duty-cycle estimate.