EcoFlow DELTA 2 vs Anker SOLIX C1000
EcoFlow DELTA 2 (1,024 Wh, 1,800 W) vs Anker SOLIX C1000 (1,056 Wh, 1,800 W). Their batteries are about the same size, so the differences are in output, charging and features. Here is where each one comes out ahead, based on the manufacturers' published specs.
Choose the C1000 for…
- UPS use: 20 ms switchover vs 30 ms
- faster solar charging: up to 600 W vs 500 W of panels
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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 | EcoFlow DELTA 2 Older | Anker SOLIX C1000 |
|---|---|---|
| Capacity | 1,024 Wh | 1,056 Wh |
| Continuous output | 1,800 W | 1,800 W |
| Surge output | 2,700 W | 2,400 W |
| Max solar input | 500 W | 600 W |
| Max AC charging power | 1,200 W | 1,300 W |
| Weight | 27 lb | 28.4 lb |
| Wh per pound | 37.9 | 37.1 |
| Expandable | Up to 3,000 Wh | Up to 2,112 Wh |
| 240 V output | No | No |
| UPS / EPS switchover | 30 ms | 20 ms |
| AC outlets | 6 | 6 |
| Battery chemistry | LiFePO4 | LiFePO4 |
| Cycle life (maker claim) | 4,000 | 3,000 |
| Warranty | 5 years | 5 years |
| Buy | View at EcoFlow | View at Anker SOLIX |
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 | EcoFlow DELTA 2 Older | Anker SOLIX C1000 |
|---|---|---|
| Phone charging · 10 W avg | 3.8 days | 4 days |
| Wi-Fi router + modem · 15 W avg | 2.4 days | 2.5 days |
| CPAP · 30 W avg | 29 hours | 30 hours |
| Laptop · 50 W avg | 17 hours | 18 hours |
| TV · 100 W avg | 8.7 hours | 9 hours |
| Starlink Standard · 90 W avg | 9.7 hours | 10 hours |
| Refrigerator · 58 W avg | 15 hours | 15 hours |
| Chest freezer · 29 W avg | 30 hours | 31 hours |
| Window AC · 225 W avg | 3.9 hours | 4 hours |
| Sump pump · 210 W avg | 4.1 hours | 4.3 hours |
| Microwave · 1,500 W avg | 35 min | 36 min |
| Space heater · 750 W avg | 1.2 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: EcoFlow DELTA 2 · Anker SOLIX C1000.
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