EcoFlow DELTA Pro 3 vs Anker SOLIX F3800
EcoFlow DELTA Pro 3 (4,096 Wh, 4,000 W) vs Anker SOLIX F3800 (3,840 Wh, 6,000 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 DELTA Pro 3 for…
- UPS use: 10 ms switchover vs 20 ms
- portability: 18.8 lb lighter (113.5 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 | EcoFlow DELTA Pro 3 | Anker SOLIX F3800 |
|---|---|---|
| Capacity | 4,096 Wh | 3,840 Wh |
| Continuous output | 4,000 W | 6,000 W |
| Surge output | 8,000 W | 9,000 W |
| Max solar input | 2,600 W | 2,400 W |
| Max AC charging power | — | 1,800 W |
| Weight | 113.5 lb | 132.3 lb |
| Wh per pound | 36.1 | 29 |
| Expandable | Up to 12,288 Wh | Up to 26,880 Wh |
| 240 V output | Yes | Yes |
| UPS / EPS switchover | 10 ms | 20 ms |
| AC outlets | 7 | 8 |
| 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 Pro 3 | Anker SOLIX F3800 |
|---|---|---|
| Phone charging · 10 W avg | 15.4 days | 14.4 days |
| Wi-Fi router + modem · 15 W avg | 9.7 days | 9.1 days |
| CPAP · 30 W avg | 4.8 days | 4.5 days |
| Laptop · 50 W avg | 2.9 days | 2.7 days |
| TV · 100 W avg | 35 hours | 33 hours |
| Starlink Standard · 90 W avg | 39 hours | 36 hours |
| Refrigerator · 58 W avg | 2.5 days | 2.3 days |
| Chest freezer · 29 W avg | 5 days | 4.7 days |
| Window AC · 225 W avg | 15 hours | 15 hours |
| Sump pump · 210 W avg | 17 hours | 16 hours |
| Microwave · 1,500 W avg | 2.3 hours | 2.2 hours |
| Space heater · 750 W avg | 4.6 hours | 4.4 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 Pro 3 · Anker SOLIX F3800.
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