EcoFlow DELTA Pro 3 vs EcoFlow DELTA Pro Ultra
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: EcoFlow DELTA Pro Ultra, 6,144 Wh vs 4,096 Wh.
- More AC output: EcoFlow DELTA Pro Ultra, 7,200 W vs 4,000 W.
- Higher surge: EcoFlow DELTA Pro Ultra, 10,800 W vs 8,000 W.
- More solar input: EcoFlow DELTA Pro Ultra, 5,600 W vs 2,600 W.
- Higher solar voltage limit: EcoFlow DELTA Pro Ultra, 450 V vs 150 V.
- Lower brand-store price: EcoFlow DELTA Pro 3, $2,799 vs $4,199.
DELTA Pro 3 and DELTA Pro Ultra differ mainly in size: DELTA Pro Ultra has the biggest battery at 6,144 Wh. DELTA Pro Ultra takes the most solar at 5,600 W, so it refills fastest. DELTA Pro 3 is the cheapest at $2,799. We do not have a confirmed weight for all of them yet, so that comparison is left out.
How long they run common devices
| Device | EcoFlow DELTA Pro 3 | EcoFlow DELTA Pro Ultra |
|---|---|---|
| Fridge (60 W) | 2 days | 4 days |
| CPAP (40 W) | 4 days | 5 days |
| Starlink (100 W) | 35 hours | 2 days |
| Laptop (60 W) | 2 days | 4 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 |  EcoFlow |
|---|---|---|
Battery Wh, size | 4,096 Wh fridge about 2 days | 6,144 Wh fridge about 4 days |
AC output W, continuous | 4,000 W Microwave, kettle, most kitchen gear | 7,200 W Microwave, kettle, most kitchen gear |
Surge W, a second or two | 8,000 W motor start-ups | 10,800 W motor start-ups |
Solar input W, max | 2,600 W full in about 2.5 hours | 5,600 W full in about 1.5 hours |
Solar voltage range V, panels must fit | 30 to 150 V, 11 to 60 V room for 3+ panels in series | 80 to 450 V, 30 to 150 V room for 3+ panels in series |
Solar inputs count | 2 inputs XT60 (High-PV), XT60i (Low-PV) | 2 inputs High-PV, Low-PV |
Weight lb | 113.5 lb wheels or two people | n/a not confirmed yet |
Wh per pound battery for the weight | 36 Wh/lb higher is denser | n/a not confirmed yet |
Price brand store | $2,799 0.68 $/Wh | $4,199 0.68 $/Wh |
Price per Wh what you pay for storage | $0.68 lower is better value | $0.68 lower is better value |
| Buy | $2,799 · Details Brand store, Oct 28, 2026 | $4,199 · 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
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