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EcoFlow vs Q-Cells - solar panel manufacturer comparison

EcoFlow
China Founded 2017
Read the EcoFlow review
VS
Q-Cells
South Korea Founded 1999 Tier 1
Read the Q-Cells review
At a glance

Q-Cells has the broader catalog (89 vs 0 models). Q-Cells leans bifacial (39% of lineup).

Both catalogues are read from the manufacturers' own datasheets. A brand is not scored against the market here, only against the other brand on this page.

Panel models
0 89
Highest power
0 Wp 675 Wp
Best efficiency
- 23.2%
Average efficiency
- 21.2%
Bifacial share
0% 39%
Average warranty
- 27 yrs
01

The two companies

Company facts, not datasheet figures
EcoFlow

EcoFlow is a company founded in 2017 that develops portable power stations, smart devices, and home energy systems. They offer a range of products including portable power stations, solar panels, and smart home solutions. EcoFlow's mission is to provide eco-friendly energy solutions for individuals, families, and...

Founded
2017
Headquarters
Shenzhen, China
Employees
1000+
Q-Cells

Qcells is a renowned global provider of complete energy solutions, specializing in solar cells and modules, energy storage solutions, downstream project business, and energy retail. The company has a strong heritage dating back to its foundation in Germany and has become a leader in technology innovations. As an...

Founded
1999
Headquarters
Seoul, South Korea
Annual capacity
11.2 GW/year
Employees
2000+
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric EcoFlow Q-Cells
Catalog & Power
Panel Models 0 89+89
Max Power 0 W 675 W+675 W
Avg Power 0 W 468 W+468 W
Efficiency
Max Efficiency - 23.20%
Avg Efficiency - 21.21%
Reliability & Warranty
Avg Temp Coefficient - -0.325%/°C
Bifacial Share 0 (0%) 35 (39%)+39 pp
Avg Warranty - 27.0 yrs

An average over a catalogue describes the range a manufacturer publishes, not the module you would buy. A brand with two flagship panels and eighty older ones averages worse than one that has retired its back catalogue.

03

What each of them builds

Cell technology across the market
Efficiency spread
Share of each catalogue in every efficiency band

Q-Cells skews to higher efficiency: 2% of lineup is 23%+

Power spread
Share of each catalogue in every power band

Q-Cells offers more 600W+ panels (19% of lineup)

EcoFlow cell technology
Share of their models by cell architecture
Q-Cells cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>PERC</strong> (43%)

04

The flagships

Highest-power models from each brand
EcoFlow all models
No panels from this manufacturer are in the database yet.
05

Written summary

Checking cache...

Q-Cells, operating under the Hanwha Q CELLS brand and headquartered in South Korea, was founded in 1999 and has grown into one of the most established module manufacturers in the world, carrying Bloomberg Tier 1 bankability status, listing its shares on NASDAQ, and operating a global production capacity of 11.2 GW. EcoFlow, by contrast, was founded in 2017 and is based in Shenzhen, China, employing more than 1,000 people. It is not a conventional panel manufacturer in the utility or rooftop sense; rather, it is a portable-energy-solutions brand whose solar products are designed as accessories to its proprietary battery-and-power-station ecosystem. The institutional gap between the two is substantial: Q-Cells is a vertically integrated, publicly traded, bankable manufacturer with decades of project finance track record, while EcoFlow is a consumer-electronics-oriented startup with no public listing and no formal Tier 1 designation.

Q-Cells fields a catalog of 91 panel models with an average output of 462 Wp and a maximum of 635 Wp, an average efficiency of 21.3% reaching a peak of 23.2%, and roughly 41.8% of the lineup in bifacial configurations. PERC cell technology dominates at 38.5% of the catalog, the average temperature coefficient sits at a competitive -0.32% per degree Celsius, and the mean product warranty extends to 27.1 years - a notably generous stance that suits both residential premium rooftops and utility-scale ground mounts. EcoFlow's solar hardware, targeted at camping, van-life, and emergency home-backup use, consists of portable foldable panels typically in the 100-400 W range; the data set carries no aggregated Wp, efficiency, or warranty statistics for that catalog, because it serves a fundamentally different market tier.

For any buyer planning a grid-tied rooftop, commercial, or utility project in 2025, Q-Cells is the clear default: bankable, widely distributed through established installers, backed by 11.2 GW of manufacturing scale, and offering warranties averaging 27.1 years. EcoFlow is not a genuine competitor in that segment and should not be evaluated as one. Where EcoFlow holds a real advantage is the off-grid and portable-power market, where its tightly integrated solar-plus-storage kits offer genuine convenience. These two brands occupy non-overlapping niches, and a direct head-to-head comparison applies only to the narrow overlap of small-scale off-grid buyers - a use case where EcoFlow's integrated approach often wins on simplicity rather than raw panel performance.

Generated by Claude Sonnet · 2026-05-12

06

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Something missing from a catalogue? Both lists are built from the datasheets in the database. If a model is absent, it has not been ingested yet.

Shop prices: See 25 Q-Cells offers

Comparisons are computed from manufacturer datasheets held in the ComparePV database and may not reflect a brand's complete current lineup. Nothing on this page is paid placement.