EcoFlow Delta 2
Portable power station · 2022
Seasonic Focus GX-850
850 W · Gold
Dead heat — it comes down to priorities.
In our weighted Specdex score, EcoFlow Delta 2 lands at 88 and Seasonic Focus GX-850 at 88. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick EcoFlow Delta 2 if…
- ✓LiFePO4 chemistry on modern SKUs (4000+ cycles)
- ✓Solar input
- ✓Multiple AC/DC/USB-C outputs
Pick Seasonic Focus GX-850 if…
- ✓Modular cabling on most
- ✓ATX 3.1 / 12V-2x6 support
- ✓10-year warranty on many
Winner by scenario
Derived from the sub-score breakdown · not a separate testCables
EcoFlow Delta 2Compared on the cables sub-score
EcoFlow Delta 2 leads on cables (90 vs 86).
Noise
TieCompared on the noise sub-score
Effectively tied — neither pulls a 2-point weighted lead.
Efficiency
Seasonic Focus GX-850Compared on the efficiency sub-score
Seasonic Focus GX-850 leads on efficiency (88 vs 83).
Value for money
Seasonic Focus GX-850Specdex score per dollar at MSRP
Seasonic Focus GX-850 more score per dollar ($149 vs $999).
Score breakdown
Specs side-by-side
| Spec | EcoFlow Delta 2 | Seasonic Focus GX-850 |
|---|---|---|
| Type | Portable power station | — |
| Release year | 2022 | — |
| Wattage | — | 850 W |
| Efficiency | — | Gold |
EcoFlow Delta 2
- +LiFePO4 chemistry on modern SKUs (4000+ cycles)
- +Solar input
- +Multiple AC/DC/USB-C outputs
- −Heavy
- −Pricey per Wh
- −Shipping restrictions (Li-ion)
Seasonic Focus GX-850
- +Modular cabling on most
- +ATX 3.1 / 12V-2x6 support
- +10-year warranty on many
- −Bulky on higher wattages
- −Fan noise varies by load
- −Cable length may not fit some cases
FAQ: EcoFlow Delta 2 vs Seasonic Focus GX-850
Which is better, EcoFlow Delta 2 or Seasonic Focus GX-850? +
Both score 88 on our weighted rubric — tied. Your best pick depends on the sub-scores above.
Is EcoFlow Delta 2 worth the price? +
At $999, EcoFlow Delta 2 delivers a Specdex score of 88 — strongest in cables.
Is Seasonic Focus GX-850 worth the price? +
At $149, Seasonic Focus GX-850 delivers a Specdex score of 88 — strongest in efficiency.
Does EcoFlow Delta 2 or Seasonic Focus GX-850 last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.
Which is better for cables, EcoFlow Delta 2 or Seasonic Focus GX-850? +
EcoFlow Delta 2 — leads on cables (90 vs 86). Compared on the cables sub-score.
Which is better for efficiency, EcoFlow Delta 2 or Seasonic Focus GX-850? +
Seasonic Focus GX-850 — leads on efficiency (88 vs 83). Compared on the efficiency sub-score.