EcoFlow DELTA 3 Ultra Plus vs Goal Zero Yeti PRO 4000
Two large power stations, number by number. Neither is ranked above the other. Every spec comes from each maker's manual or product page; tap a station for the source.
- Bigger battery: Goal Zero Yeti PRO 4000, 3,994 Wh vs 3,072 Wh.
- More AC output: about the same (3,600 W vs 3,600 W).
- Higher surge: about the same (7,200 W vs 7,200 W).
- More solar input: Goal Zero Yeti PRO 4000, 3,000 W vs 1,600 W.
- Higher solar voltage limit: Goal Zero Yeti PRO 4000, 150 V vs 60 V.
- Lighter: EcoFlow DELTA 3 Ultra Plus, 74.3 lb vs 115.7 lb.
- Lower brand-store price: EcoFlow DELTA 3 Ultra Plus, $1,599 vs $4,000.
DELTA 3 Ultra Plus and Yeti PRO 4000 differ mainly in size: Yeti PRO 4000 has the biggest battery at 3,994 Wh. DELTA 3 Ultra Plus is the lightest at 74.3 lb. Yeti PRO 4000 takes the most solar at 3,000 W, so it refills fastest. DELTA 3 Ultra Plus is the cheapest at $1,599.
How long they run common devices
| Device | EcoFlow DELTA 3 Ultra Plus | Goal Zero Yeti PRO 4000 |
|---|---|---|
| Fridge (60 W) | 44 hours | 2 days |
| CPAP (40 W) | 3 days | 4 days |
| Starlink (100 W) | 26 hours | 34 hours |
| Laptop (60 W) | 44 hours | 2 days |
On a full charge, assuming 85% of the battery is usable. Real devices vary; check the label on yours.
Every spec side by side
| Spec |  EcoFlow |  Goal Zero |
|---|---|---|
Battery Wh, size | 3,072 Wh fridge about 44 hours | 3,994 Wh fridge about 2 days |
AC output W, continuous | 3,600 W Microwave, kettle, most kitchen gear | 3,600 W Microwave, kettle, most kitchen gear |
Surge W, a second or two | 7,200 W motor start-ups | 7,200 W motor start-ups |
Solar input W, max | 1,600 W full in about 2.5 hours | 3,000 W full in about 2 hours |
Solar voltage range V, panels must fit | 11 to 60 V 2 panels in series fits | 13.3 to 150 V, 12.3 to 28 V room for 3+ panels in series |
Solar inputs count | 2 inputs Solar input 1 (XT60i), Solar input 2 (XT60i) | 2 inputs HPP, 8mm |
Weight lb | 74.3 lb wheels or two people | 115.7 lb wheels or two people |
Wh per pound battery for the weight | 41 Wh/lb higher is denser | 35 Wh/lb higher is denser |
Price brand store | $1,599 0.52 $/Wh | $4,000 1.00 $/Wh |
Price per Wh what you pay for storage | $0.52 lower is better value | $1.00 lower is better value |
| Buy | $1,599 · Details Brand store, Oct 28, 2026 | $4,000 · Details Brand store, Oct 28, 2026 |
Which solar panels work with each
Our checker at 20°F, using each maker's voltage and current rules. Tap a verdict for the wiring and cables.
Where to buy
$1,599 at the EcoFlow store, checked Oct 28, 2026
$4,000 at the Goal Zero store, checked Oct 28, 2026
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