EcoFlow
EcoFlow Delta Pro 3
Portable power station · 2024
92
/ 100
From $3,699
VS
Seasonic Vertex PX-1200 wins by 1
Seasonic
Seasonic Vertex PX-1200
1200 W · 80+ Platinum · ATX 3.0
93
/ 100
From $289
Specdex verdict
Seasonic Vertex PX-1200 takes it — here’s why.
In our weighted Specdex score, EcoFlow Delta Pro 3 lands at 92 and Seasonic Vertex PX-1200 at 93. That puts Seasonic Vertex PX-1200 ahead by 1 points — a narrow margin driven mostly by its strengths in the categories below.
Pick EcoFlow Delta Pro 3 if…
- ✓LiFePO4 chemistry on modern SKUs (4000+ cycles)
- ✓Solar input
- ✓Multiple AC/DC/USB-C outputs
Pick Seasonic Vertex PX-1200 if…
- ✓Rock-solid ripple
- ✓Platinum efficiency
- ✓Long 12-year warranty
EcoFlow Delta Pro 3 92
vs 93 Seasonic Vertex PX-1200
Score breakdown
EcoFlow Delta Pro 3
92 efficiency 87
noise 86
cables 90
value 80
Seasonic Vertex PX-1200
93 efficiency 96
noise 92
cables 90
value 86
Specs side-by-side
| Spec | EcoFlow Delta Pro 3 | Seasonic Vertex PX-1200 |
|---|---|---|
| Type | Portable power station | — |
| Release year | 2024 | — |
| Wattage | — | 1200 W |
| Efficiency | — | 80+ Platinum |
| Standard | — | ATX 3.0 |
| Connectors | — | 1× 16-pin 12VHPWR (600W) |
EcoFlow Delta Pro 3
Pros
- +LiFePO4 chemistry on modern SKUs (4000+ cycles)
- +Solar input
- +Multiple AC/DC/USB-C outputs
Cons
- −Heavy
- −Pricey per Wh
- −Shipping restrictions (Li-ion)
Seasonic Vertex PX-1200
Pros
- +Rock-solid ripple
- +Platinum efficiency
- +Long 12-year warranty
Cons
- −Heavy at 2.6 kg
- −Expensive
- −Cables stiff
FAQ: EcoFlow Delta Pro 3 vs Seasonic Vertex PX-1200
Which is better, EcoFlow Delta Pro 3 or Seasonic Vertex PX-1200? +
Seasonic Vertex PX-1200 scores 93 on our weighted rubric — ahead by 1. Your best pick depends on the sub-scores above.
Is EcoFlow Delta Pro 3 worth the price? +
At $3,699, EcoFlow Delta Pro 3 delivers a Specdex score of 92 — strongest in cables.
Is Seasonic Vertex PX-1200 worth the price? +
At $289, Seasonic Vertex PX-1200 delivers a Specdex score of 93 — strongest in efficiency.
Does EcoFlow Delta Pro 3 or Seasonic Vertex PX-1200 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.