EcoFlow DELTA 3 Max vs Goal Zero Yeti 1000X
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 3 Max costs $100 less. Whether that gap is worth closing depends on what you need to run.
- EcoFlow DELTA 3 Max holds 108% more energy (2048Wh vs 983Wh), so it runs the same load proportionally longer.
- EcoFlow DELTA 3 Max has 1800W more surge headroom (4800W vs 3000W) — that decides whether a fridge, pump or AC compressor will actually start.
- Goal Zero Yeti 1000X is 23.4 lb lighter (31.68 lb vs 55.1 lb).
- EcoFlow DELTA 3 Max uses LiFePO4 while the other uses NMC — roughly double the usable cycle life.
- EcoFlow DELTA 3 Max is rated for 4,000 cycles vs 500 — meaningful if you cycle it daily.
We'd skip the Goal Zero Yeti 1000X in this matchup. It costs $100 more than the EcoFlow DELTA 3 Max while matching or trailing it on capacity, surge and cycle life — there's no spec here that justifies the premium.
The value leader in the 2kWh class. Same 4800W surge as the DELTA 2 Max at $500 less, with 1000 more cycles.
Best for: Home backup buyers who want compressor-starting surge without paying flagship prices.
Where it falls short:
- 55 lb is a two-hand lift
- Only marginally lighter than heavier rivals
The older X-series 1kWh. Rugged and expandable, but its Li-ion cells and 2-year warranty look dated next to the LiFePO4 6th-gen Yeti 1000.
Best for: Only at a discount against the newer LiFePO4 Yeti 1000.
Where it falls short:
- NMC — ~500 cycles vs 4,000 for the new Yeti 1000
- 2-year warranty
| Spec | EcoFlow DELTA 3 Max | Goal Zero Yeti 1000X |
|---|---|---|
| Price | $1099 | $1199 |
| Capacity | 2048 Wh | 983 Wh |
| Continuous output | 2400 W | 1500 W |
| Surge output | 4800 W | 3000 W |
| Battery | LiFePO4 | NMC |
| Rated cycles | 4,000 | 500 |
| Weight (lighter wins) | 55.1 lb | 31.68 lb |
| Max solar | 1000 W | 600 W |
| Recharge time (faster wins) | 1h 22m | 1h 50m |
Runtime head-to-head
| Appliance | EcoFlow DELTA 3 Max | Goal Zero Yeti 1000X |
|---|---|---|
| Refrigerator | 29.0 hrs | 13.9 hrs |
| Mini fridge | 55.3 hrs | 26.5 hrs |
| Chest freezer | 21.8 hrs | 10.4 hrs |
| CPAP machine | 43.5 hrs | 20.9 hrs |
| Sump pump | 2.2 hrs | ❌ |