Compare › Head to head
Anker SOLIX F3800 Plus vs EcoFlow DELTA Pro Ultra
Choose the DELTA Pro Ultra for
capacity, output, solar, battery life, expandability
The differences that matter
- EcoFlow DELTA Pro Ultra stores 60% more energy (6,144 vs 3,840 Wh).
- EcoFlow DELTA Pro Ultra can power 7,200W of devices at once vs 6,000W.
- EcoFlow DELTA Pro Ultra recharges faster from solar (5,600W vs 3,200W max input).
- Anker SOLIX F3800 Plus costs less per Wh ($0.62 vs $0.68).
- EcoFlow DELTA Pro Ultra is rated for more charge cycles (3,500 vs 3,000).
- EcoFlow DELTA Pro Ultra can grow larger with add-on batteries (up to 90,000 Wh).
Runtime side by side
| Running just this | SOLIX F3800 Plus | DELTA Pro Ultra |
|---|---|---|
| Refrigerator (full-size) | 2.6 days | 4.1 days |
| CPAP (no humidifier) | 3.4 days | 5.4 days |
| TV (55-inch LED) | 32.6 hrs | 2.2 days |
| Microwave (1000W) | 2.2 hrs | 3.5 hrs |
Full specs
| Anker SOLIX F3800 Plus | EcoFlow DELTA Pro Ultra | |
|---|---|---|
| Battery capacity | 3,840 Wh | 6,144 Wh |
| Continuous AC output | 6,000 W | 7,200 W |
| Surge / peak output | Not published (we assume no surge above continuous) | 10,800 W |
| Weight | 136.7 lb | Inverter 70 lb + battery (weight not published) |
| Max solar input | 3,200 W | 5,600 W |
| Wall charge time (0–100%) | — | — |
| Battery chemistry | LiFePO4 | LiFePO4 |
| Rated cycles | 3,000+ | 3,500+ |
| Expandable to | 53,800 Wh | 90,000 Wh |
| Add-on battery | BP3800 Expansion Battery: 3,840 Wh, about $1,399 each | DELTA Pro Ultra Smart Extra Battery: 6,144 Wh, about $2,399 each |
| AC voltage | 120/240V | 120/240V |
| UPS / pass-through | Yes | Yes |
| Typical sale price | $2,399 | $4,199 |
| Price per Wh | $0.62 | $0.68 |