Anker SOLIX C2000 vs EcoFlow DELTA Max 2000
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
EcoFlow DELTA Max 2000 costs $200 less. Whether that gap is worth closing depends on what you need to run.
- Anker SOLIX C2000 holds 2% more energy (2048Wh vs 2016Wh), so it runs the same load proportionally longer.
- Anker SOLIX C2000 has 200W more surge headroom (3600W vs 3400W) — that decides whether a fridge, pump or AC compressor will actually start.
- EcoFlow DELTA Max 2000 is 0.5 lb lighter (48 lb vs 48.5 lb).
- Anker SOLIX C2000 uses LiFePO4 while the other uses NMC — roughly double the usable cycle life.
- Anker SOLIX C2000 is rated for 3,000 cycles vs 800 — meaningful if you cycle it daily.
If you plan to cycle the battery daily, think twice about the EcoFlow DELTA Max 2000. Its NMC cells are rated for 800 cycles against the LiFePO4 rival's longer life — over years of regular use that's the more expensive unit, whatever the sticker says.
2048Wh at $1299 with fast 70-minute charging. Sits between the C1000 and the F-series without a standout spec of its own.
Best for: Anker loyalists who want 2kWh and fast charging in one box.
Where it falls short:
- 3600W surge trails the DELTA 3 Max's 4800W at a higher price
- 3000 cycles vs 4000 from newer rivals
The previous-generation 2kWh EcoFlow. Still capable and expandable, but its NMC cells and 800-cycle rating are a real step below the LiFePO4 DELTA 3 that replaced it.
Best for: Only at a steep discount against the DELTA 3 Max.
Where it falls short:
- NMC — roughly 800 cycles vs 4,000 for the DELTA 3 Max
- 2-year warranty
| Spec | Anker SOLIX C2000 | EcoFlow DELTA Max 2000 |
|---|---|---|
| Price | $1299 | $1099 |
| Capacity | 2048 Wh | 2016 Wh |
| Continuous output | 2400 W | 2400 W |
| Surge output | 3600 W | 3400 W |
| Battery | LiFePO4 | NMC |
| Rated cycles | 3,000 | 800 |
| Weight (lighter wins) | 48.5 lb | 48 lb |
| Max solar | 1000 W | 800 W |
| Recharge time (faster wins) | 1h 10m | 1h 48m |
Runtime head-to-head
| Appliance | Anker SOLIX C2000 | EcoFlow DELTA Max 2000 |
|---|---|---|
| Refrigerator | 29.0 hrs | 28.6 hrs |
| Mini fridge | 55.3 hrs | 54.4 hrs |
| Chest freezer | 21.8 hrs | 21.4 hrs |
| CPAP machine | 43.5 hrs | 42.8 hrs |
| Sump pump | 2.2 hrs | 2.1 hrs |