EcoFlow DELTA 3 Ultra 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 800 W.
- Higher solar voltage limit: Goal Zero Yeti PRO 4000, 150 V vs 60 V.
- Lighter: EcoFlow DELTA 3 Ultra, 72.1 lb vs 115.7 lb.
- Lower brand-store price: EcoFlow DELTA 3 Ultra, $1,349 vs $4,000.
DELTA 3 Ultra and Yeti PRO 4000 differ mainly in size: Yeti PRO 4000 has the biggest battery at 3,994 Wh. DELTA 3 Ultra is the lightest at 72.1 lb. Yeti PRO 4000 takes the most solar at 3,000 W, so it refills fastest. DELTA 3 Ultra is the cheapest at $1,349.
How long they run common devices
| Device | EcoFlow DELTA 3 Ultra | 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 | 800 W full in about 5.5 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 | 1 input Solar input (XT60i) | 2 inputs HPP, 8mm |
Weight lb | 72.1 lb wheels or two people | 115.7 lb wheels or two people |
Wh per pound battery for the weight | 43 Wh/lb higher is denser | 35 Wh/lb higher is denser |
Price brand store | $1,349 0.44 $/Wh | $4,000 1.00 $/Wh |
Price per Wh what you pay for storage | $0.44 lower is better value | $1.00 lower is better value |
| Buy | $1,349 · 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
$4,000 at the Goal Zero store, checked Oct 28, 2026
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