Anker SOLIX S5000 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 5,024 Wh.
- More AC output: EcoFlow DELTA Pro Ultra, 7,200 W vs 4,500 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 3,000 W.
- Lower brand-store price: Anker SOLIX S5000, $3,600 vs $4,199.
S5000 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. S5000 is the cheapest at $3,600. 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 | Anker SOLIX S5000 | EcoFlow DELTA Pro Ultra |
|---|---|---|
| Fridge (60 W) | 3 days | 4 days |
| CPAP (40 W) | 4 days | 5 days |
| Starlink (100 W) | 43 hours | 2 days |
| Laptop (60 W) | 3 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 |  Anker SOLIX |  EcoFlow |
|---|---|---|
Battery Wh, size | 5,024 Wh fridge about 3 days | 6,144 Wh fridge about 4 days |
AC output W, continuous | 4,500 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 | 3,000 W full in about 2.5 hours | 5,600 W full in about 1.5 hours |
Solar voltage range V, panels must fit | n/a not confirmed yet | 80 to 450 V, 30 to 150 V room for 3+ panels in series |
Solar inputs count | 1 input Solar input | 2 inputs High-PV, Low-PV |
Weight lb | 97 lb wheels or two people | n/a not confirmed yet |
Wh per pound battery for the weight | 52 Wh/lb higher is denser | n/a not confirmed yet |
Price brand store | $3,600 0.72 $/Wh | $4,199 0.68 $/Wh |
Price per Wh what you pay for storage | $0.72 lower is better value | $0.68 lower is better value |
| Buy | $3,600 · Details Brand store, Oct 28, 2026 | $4,199 · Details Brand store, Oct 28, 2026 |
Which solar panels work with each
| One panel | Anker SOLIX S5000 | EcoFlow DELTA Pro Ultra |
|---|---|---|
| EcoFlow 400W Portable Solar Panel | Not enough data | Works |
| EcoFlow NextGen 220W Bifacial Portable Solar Panel | Not enough data | Don't connect |
| Anker SOLIX PS100 Bifacial | Not enough data | Don't connect |
| Anker SOLIX PS200 Bifacial | Not enough data | Works |
| EcoFlow 100W Rigid Solar Panel | Not enough data | Don't connect |
| EcoFlow 100W Flexible Solar Panel | Not enough data | Don't connect |
| EcoFlow 110W Portable Solar Panel | Not enough data | Don't connect |
| EcoFlow NextGen 160W Portable Solar Panel | Not enough data | Don't connect |
| EcoFlow 175W Rigid Solar Panel | Not enough data | Don't connect |
| Anker SOLIX PS400 Bifacial | Not enough data | Works |
| BLUETTI PV350D | Not enough data | Works, with a catch |
| Rich Solar MEGA 200 PRO (24V) | Not enough data | Works |
| Rich Solar MEGA 200 PRO FLEX (24V) | Not enough data | Works |
| BLUETTI PV100 FX Flexible Solar Panel | Not enough data | Works |
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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