At a glance
Full specs ↓- Capacity
- 6144 Wh
- Usable energy
- 5530 Wh
- AC output
- 7200 W
- Surge
- 21600 W
- Chemistry
- LiFePO4
- Cycle life
- 4000 cycles
- Max solar
- 8000 W
- Weight
- 190 lb
An estimate, not a measurement: we derate the 6,144 Wh rating for a safe depth-of-discharge and ~15% inverter loss (DC→AC). We haven't bench-tested this unit yet, so treat it as a solid approximation.
EcoFlow Delta Pro Ultra X
The EcoFlow Delta Pro Ultra X is a 6144Wh LiFePO4 portable power station delivering 7200W continuous (21600W surge). Rated for ~4000 cycles and up to 8000W of solar input, with expandable capacity.
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Full specifications
| Battery capacity | 6144 Wh |
| Usable capacity | 5530 Wh |
| AC output | 7200 W |
| Surge output | 21600 W |
| Chemistry | LiFePO4 |
| Cycle life | 4000 cycles |
| Max solar input | 8000 W |
| Expandable | Yes |
| Weight | 190 lb |
| Warranty | 5 yrs |
| Ports | Whole-home panel | 2x USB-C | 2x USB-A | L14-30 |
Video review
We recommend watching a real-world test before buying. Here's a hands-on review of the Delta Pro Ultra X:
Channels we trust for hands-on testing
Independent reviewers who bench-test capacity, inverters and real-world runtime.
How long will the Delta Pro Ultra X run…
Estimated runtime per full charge for common loads.
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