EcoFlow DELTA 3 Ultra vs Goal Zero YETI PRO 4000
What is the difference?
The EcoFlow DELTA 3 Ultra has 3.6 kW of power, 7.2 kW peak, a 3.07 kWh battery. The Goal Zero YETI PRO 4000 has 3.6 kW of power, 7.2 kW peak, a 3.99 kWh battery.
Both use LiFePO4 batteries.
The EcoFlow DELTA 3 Ultra takes up to 800 W from solar, the Goal Zero YETI PRO 4000 takes up to 3000 W from solar. The Goal Zero YETI PRO 4000 charges faster from panels.
The EcoFlow DELTA 3 Ultra weighs 72 lb, the Goal Zero YETI PRO 4000 weighs 116 lb. The EcoFlow DELTA 3 Ultra is easier to carry.
Both have a 5-year warranty.
Both have 120 V AC output.
The Goal Zero YETI PRO 4000 can add extra batteries.
Specs side by side
| EcoFlow DELTA 3 Ultra | Goal Zero YETI PRO 4000 | |
|---|---|---|
| Capacity (Wh) | 3072 | 3993.6 |
| Continuous (W) | 3600 | 3600 |
| Peak (W) | 7200 | 7200 |
| Solar input (W) | 800 | 3000 |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycles | — | 4000 |
| Expandable | — | yes |
| Weight (lb) | 72 | 116 |
| Warranty (yr) | 5 | 5 |
| Fridge run time | 57.9 h | 75.3 h |
| CPAP run time | 69.5 h | 90.4 h |
| Wi-Fi router run time | 202.8 h | 263.6 h |
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Specs as read from manufacturer pages on 2026-10-26 / 2026-10-26. Specs one maker does not list are left out of the comparison. Run times are for that appliance alone with a typical duty cycle, after inverter and depth-of-discharge losses. Sponsored links; we may earn a commission.
Common questions
Which has more capacity, EcoFlow DELTA 3 Ultra or Goal Zero YETI PRO 4000?
The Goal Zero YETI PRO 4000. More capacity: 3993.6 Wh vs 3072 Wh.
Which is lighter, EcoFlow DELTA 3 Ultra or Goal Zero YETI PRO 4000?
The EcoFlow DELTA 3 Ultra. Lighter: 72 lb vs 116 lb.
Which charges faster from solar, EcoFlow DELTA 3 Ultra or Goal Zero YETI PRO 4000?
The Goal Zero YETI PRO 4000. Faster solar charging: 3000 W input vs 800 W input.
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Compare other models → · All EcoFlow models · All Goal Zero models