EcoFlow DELTA Pro Ultra or Goal Zero Yeti PRO 4000?
Two stations of the same size. Here is what really separates the EcoFlow DELTA Pro Ultra and the Goal Zero Yeti PRO 4000, with the brands’ own numbers.
In short
- EcoFlow DELTA Pro Ultra has more battery (+54%).
- EcoFlow DELTA Pro Ultra is more powerful: better for devices that pull a lot.
- Goal Zero Yeti PRO 4000 is lighter (30.4 kg less).
Side by side
| EcoFlow DELTA Pro Ultra | Goal Zero Yeti PRO 4000 | |
|---|---|---|
| Battery | 6,144 Wh | 3,994 Wh |
| Max power | 7,200 W | 3,600 W |
| Weight | 82.4 kg | 52 kg |
| Switch-over time | ≤ 20 ms | — |
| Max solar | 5,600 W | 3,000 W |
How long each one runs your devices
| Device | EcoFlow DELTA Pro Ultra | Goal Zero Yeti PRO 4000 |
|---|---|---|
| Fridge | ≈ 95 h | ≈ 62 h |
| Chest freezer | ≈ 104 h | ≈ 68 h |
| Internet router | ≈ 261 h | ≈ 170 h |
| CPAP machine | ≈ 29.7 nights | ≈ 19.3 nights |
| Laptop | ≈ 75 h | ≈ 48 h |
| TV | ≈ 58 h | ≈ 38 h |
| LED lamp | ≈ 290 h | ≈ 189 h |
| Phone | ≈ 348 charges | ≈ 226 charges |
Brand numbers, not our own tests. Runtime = Wh × 0.85 ÷ (device watts + 10 W).