EcoFlow DELTA 2 Max vs Anker SOLIX F2600
Side-by-side on the specs that decide it — surge, capacity, runtime and price.
Both models' specs verified against manufacturer listings · Last updated
The short answer
Anker SOLIX F2600 costs $100 less. Whether that gap is worth closing depends on what you need to run.
- Anker SOLIX F2600 holds 25% more energy (2560Wh vs 2048Wh), so it runs the same load proportionally longer.
- EcoFlow DELTA 2 Max has 2000W more surge headroom (4800W vs 2800W) — that decides whether a fridge, pump or AC compressor will actually start.
- EcoFlow DELTA 2 Max is 11.7 lb lighter (50 lb vs 61.7 lb).
- Anker SOLIX F2600 is rated for 4,000 cycles vs 3,000 — meaningful if you cycle it daily.
The surge sleeper. At 4800W it starts loads that stations twice its price can't — and most spec sheets bury that number behind the X-Boost figure.
Best for: Home backup where something with a compressor — fridge, freezer, window AC — has to start reliably.
Where it falls short:
- 50 lb is heavy for its capacity
- Marketing leads with the 3400W X-Boost number, which understates it
An odd spec sheet: 2560Wh of capacity but only 2800W surge — the lowest surge-to-capacity ratio here. Capacity without starting power.
Best for: Long-duration backup of steady loads (lights, electronics, CPAP) rather than motor-driven appliances.
Where it falls short:
- 2800W surge is barely above its 2400W continuous — it will struggle with pumps
- 61.7 lb
| Spec | EcoFlow DELTA 2 Max | Anker SOLIX F2600 |
|---|---|---|
| Price | $1599 | $1499 |
| Capacity | 2048 Wh | 2560 Wh |
| Continuous output | 2400 W | 2400 W |
| Surge output | 4800 W | 2800 W |
| Battery | LiFePO4 | LiFePO4 |
| Rated cycles | 3,000 | 4,000 |
| Weight (lighter wins) | 50 lb | 61.7 lb |
| Max solar | 1000 W | 1000 W |
| Recharge time (faster wins) | 1h 30m | 1h 30m |
Runtime head-to-head
| Appliance | EcoFlow DELTA 2 Max | Anker SOLIX F2600 |
|---|---|---|
| Refrigerator | 29.0 hrs | 36.3 hrs |
| Mini fridge | 55.3 hrs | 69.1 hrs |
| Chest freezer | 21.8 hrs | 27.2 hrs |
| CPAP machine | 43.5 hrs | 54.4 hrs |
| Sump pump | 2.2 hrs | ❌ |