EcoFlow
EcoFlow Delta Pro
Portable power station · 2022
90
/ 100
From $3,299
VS
be quiet!
be quiet! Straight Power 12 850W
850 W · Platinum
90
/ 100
From $199
Specdex verdict
Dead heat — it comes down to priorities.
In our weighted Specdex score, EcoFlow Delta Pro lands at 90 and be quiet! Straight Power 12 850W at 90. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick EcoFlow Delta Pro if…
- ✓LiFePO4 chemistry on modern SKUs (4000+ cycles)
- ✓Solar input
- ✓Multiple AC/DC/USB-C outputs
Pick be quiet! Straight Power 12 850W if…
- ✓Modular cabling on most
- ✓ATX 3.1 / 12V-2x6 support
- ✓10-year warranty on many
EcoFlow Delta Pro 90
vs 90 be quiet! Straight Power 12 850W
Score breakdown
EcoFlow Delta Pro
90 efficiency 85
noise 86
cables 90
value 80
be quiet! Straight Power 12 850W
90 efficiency 90
noise 86
cables 86
value 84
Specs side-by-side
| Spec | EcoFlow Delta Pro | be quiet! Straight Power 12 850W |
|---|---|---|
| Type | Portable power station | — |
| Release year | 2022 | — |
| Wattage | — | 850 W |
| Efficiency | — | Platinum |
EcoFlow Delta Pro
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)
be quiet! Straight Power 12 850W
Pros
- +Modular cabling on most
- +ATX 3.1 / 12V-2x6 support
- +10-year warranty on many
Cons
- −Bulky on higher wattages
- −Fan noise varies by load
- −Cable length may not fit some cases
FAQ: EcoFlow Delta Pro vs be quiet! Straight Power 12 850W
Which is better, EcoFlow Delta Pro or be quiet! Straight Power 12 850W? +
Both score 90 on our weighted rubric — tied. Your best pick depends on the sub-scores above.
Is EcoFlow Delta Pro worth the price? +
At $3,299, EcoFlow Delta Pro delivers a Specdex score of 90 — strongest in cables.
Is be quiet! Straight Power 12 850W worth the price? +
At $199, be quiet! Straight Power 12 850W delivers a Specdex score of 90 — strongest in efficiency.
Does EcoFlow Delta Pro or be quiet! Straight Power 12 850W 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.