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EcoFlow Delta 2 — Portable power station · 2022
EcoFlow

EcoFlow Delta 2

Portable power station · 2022

88
/ 100
From $999
VS
EcoFlow Delta 2 wins by 3
NZXT C850 Gold — 850 W · Gold
NZXT

NZXT C850 Gold

850 W · Gold

85
/ 100
From $149
Specdex verdict

EcoFlow Delta 2 takes it — here’s why.

In our weighted Specdex score, EcoFlow Delta 2 lands at 88 and NZXT C850 Gold at 85. That puts EcoFlow Delta 2 ahead by 3 points — a narrow margin driven mostly by its strengths in the categories below.

Pick EcoFlow Delta 2 if…

  • ✓LiFePO4 chemistry on modern SKUs (4000+ cycles)
  • ✓Solar input
  • ✓Multiple AC/DC/USB-C outputs

Pick NZXT C850 Gold if…

  • ✓Modular cabling on most
  • ✓ATX 3.1 / 12V-2x6 support
  • ✓10-year warranty on many
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

Cables

EcoFlow Delta 2

Compared on the cables sub-score

EcoFlow Delta 2 leads on cables (90 vs 86).

Noise

Tie

Compared on the noise sub-score

Effectively tied — neither pulls a 2-point weighted lead.

Efficiency

NZXT C850 Gold

Compared on the efficiency sub-score

NZXT C850 Gold leads on efficiency (85 vs 83).

Value for money

NZXT C850 Gold

Specdex score per dollar at MSRP

NZXT C850 Gold more score per dollar ($149 vs $999).

EcoFlow Delta 2 88
vs
85 NZXT C850 Gold

Score breakdown

EcoFlow Delta 2
88
efficiency 83
noise 86
cables 90
value 80
NZXT C850 Gold
85
efficiency 85
noise 86
cables 86
value 84

Specs side-by-side

EcoFlow Delta 2 versus NZXT C850 Gold — full spec comparison
Spec EcoFlow Delta 2 NZXT C850 Gold
Type
Portable power station
—
Release year
2022
—
Wattage
—
850 W
Efficiency
—
Gold

EcoFlow Delta 2

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)

NZXT C850 Gold

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 2 vs NZXT C850 Gold

Which is better, EcoFlow Delta 2 or NZXT C850 Gold? +

EcoFlow Delta 2 scores 88 on our weighted rubric — ahead by 3. 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 NZXT C850 Gold worth the price? +

At $149, NZXT C850 Gold delivers a Specdex score of 85 — strongest in noise.

Does EcoFlow Delta 2 or NZXT C850 Gold 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 NZXT C850 Gold? +

EcoFlow Delta 2 — leads on cables (90 vs 86). Compared on the cables sub-score.

Which is better for efficiency, EcoFlow Delta 2 or NZXT C850 Gold? +

NZXT C850 Gold — leads on efficiency (85 vs 83). Compared on the efficiency sub-score.