BLUETTI AC180 vs EcoFlow DELTA 2
BLUETTI AC180 (1,152 Wh, 1,800 W) vs EcoFlow DELTA 2 (1,024 Wh, 1,800 W). The AC180 has the bigger battery, so it runs your devices longer. Here is where each one comes out ahead, based on the manufacturers' published specs.
Choose the AC180 for…
- UPS use: 20 ms switchover vs 30 ms
- longer runtime: 13% more battery (1,152 Wh vs 1,024 Wh)
- fast wall charging: 1,440 W vs 1,200 W AC input
Choose the DELTA 2 for…
- room to grow: expands to 3,000 Wh with extra batteries
- portability: 8.3 lb lighter (27 lb)
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Specs side by side
✓ marks the better figure where higher or lower is clearly better. Cycle-life claims use different end-of-life definitions (70% or 80% capacity), so we don't rank them.
| Spec | BLUETTI AC180 | EcoFlow DELTA 2 Older |
|---|---|---|
| Capacity | 1,152 Wh | 1,024 Wh |
| Continuous output | 1,800 W | 1,800 W |
| Surge output | 2,700 W | 2,700 W |
| Max solar input | 500 W | 500 W |
| Max AC charging power | 1,440 W | 1,200 W |
| Weight | 35.3 lb | 27 lb |
| Wh per pound | 32.7 | 37.9 |
| Expandable | No | Up to 3,000 Wh |
| 240 V output | No | No |
| UPS / EPS switchover | 20 ms | 30 ms |
| AC outlets | 4 | 6 |
| Battery chemistry | LiFePO4 | LiFePO4 |
| Cycle life (maker claim) | 3,500 to 80% | 4,000 |
| Warranty | 5 years | 5 years |
| Buy | View at BLUETTI | View at EcoFlow |
How long each one runs everyday devices
Nonstop runtime for one device at a time, at typical average wattage with 85% inverter efficiency. ✓ marks the longest.
| Spec | BLUETTI AC180 | EcoFlow DELTA 2 Older |
|---|---|---|
| Phone charging · 10 W avg | 4.3 days | 3.8 days |
| Wi-Fi router + modem · 15 W avg | 2.7 days | 2.4 days |
| CPAP · 30 W avg | 33 hours | 29 hours |
| Laptop · 50 W avg | 20 hours | 17 hours |
| TV · 100 W avg | 9.8 hours | 8.7 hours |
| Starlink Standard · 90 W avg | 11 hours | 9.7 hours |
| Refrigerator · 58 W avg | 17 hours | 15 hours |
| Chest freezer · 29 W avg | 34 hours | 30 hours |
| Window AC · 225 W avg | 4.4 hours | 3.9 hours |
| Sump pump · 210 W avg | 4.7 hours | 4.1 hours |
| Microwave · 1,500 W avg | 39 min | 35 min |
| Space heater · 750 W avg | 1.3 hours | 1.2 hours |
Specs from EcoFlow, Jackery, BLUETTI, Anker, DJI and Goal Zero documents, as of September 2026. See each model's page for sources: BLUETTI AC180 · EcoFlow DELTA 2.
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