---
title: "EcoFlow vs Q-Cells - Brand Comparison | ComparePV"
description: "Compare EcoFlow vs Q-Cells solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/ecoflow-vs-q-cells"
---

# EcoFlow vs Q-Cells

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


## The two companies


| Attribute | EcoFlow | Q-Cells |
| --- | --- | --- |
| Country | China | South Korea |
| Headquarters | Shenzhen | Seoul |
| Founded | 2017 | 1999 |
| Employees | 1000+ | 2000+ |
| Annual capacity |  | 11.2 GW/year |
| Tier 1 |  | yes |
| Listed |  | NASDAQ: HQCL |
| Website | [https://www.ecoflow.com](https://www.ecoflow.com) | [https://www.qcells.com](https://www.qcells.com) |

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...

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...


## Catalog & Power


| Measure | EcoFlow | Q-Cells | Margin |
| --- | --- | --- | --- |
| Panel Models | 0 | 89 | +89 |
| Max Power | 0 W | 675 W | +675 W |
| Avg Power | 0 W | 468 W | +468 W |


## Efficiency


| Measure | EcoFlow | Q-Cells | Margin |
| --- | --- | --- | --- |
| Max Efficiency | - | 23.20% |  |
| Avg Efficiency | - | 21.21% |  |


## Reliability & Warranty


| Measure | EcoFlow | Q-Cells | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | - | -0.325%/°C |  |
| Bifacial Share | 0 (0%) | 35 (39%) | +39 pp |
| Avg Warranty | - | 27.0 yrs |  |


## Efficiency distribution

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


| Efficiency band | EcoFlow | Q-Cells |
| --- | --- | --- |
| \<20% | 0 | 7 (7.9%) |
| 20-21% | 0 | 29 (32.6%) |
| 21-22% | 0 | 30 (33.7%) |
| 22-23% | 0 | 21 (23.6%) |
| 23%+ | 0 | 2 (2.2%) |


## Power distribution

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


| Power band | EcoFlow | Q-Cells |
| --- | --- | --- |
| \<400W | 0 | 20 (22.5%) |
| 400-499W | 0 | 41 (46.1%) |
| 500-599W | 0 | 11 (12.4%) |
| 600-699W | 0 | 17 (19.1%) |


## Cell technology

Dominant cell tech: **PERC** (43%)


| Technology | EcoFlow | Q-Cells |
| --- | --- | --- |
| PERC | 0 | 38 (42.7%) |
| N-type | 0 | 23 (25.8%) |
| Unknown | 0 | 20 (22.5%) |
| TOPCon | 0 | 8 (9.0%) |


## Top panels, Q-Cells


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [Q.PEAK DUO ML-G12S.3 / BFG 675](https://comparepv.com/panel/q-cells-q-peak-duo-ml-g12s-3-bfg-675) | 675 | 21.7 | -0.340 | Monocrystalline |
| 2 | [Q.PEAK DUO ML-G12S.3 / BFG 670](https://comparepv.com/panel/q-cells-q-peak-duo-ml-g12s-3-bfg-670) | 670 | 21.6 | -0.340 | Monocrystalline |
| 3 | [Q.PEAK DUO ML-G12S.3 / BFG 665](https://comparepv.com/panel/q-cells-q-peak-duo-ml-g12s-3-bfg-665) | 665 | 21.4 | -0.340 | Monocrystalline |
| 4 | [Q.PEAK DUO ML-G12S.3 / BFG 660](https://comparepv.com/panel/q-cells-q-peak-duo-ml-g12s-3-bfg-660) | 660 | 21.2 | -0.340 | Monocrystalline |
| 5 | [Q.PEAK DUO ML-G12S.3 / BFG 655](https://comparepv.com/panel/q-cells-q-peak-duo-ml-g12s-3-bfg-655) | 655 | 21.1 | -0.340 | Monocrystalline |
| 6 | [Q.PEAK DUO ML-G12S.3 / BFG 650](https://comparepv.com/panel/q-cells-q-peak-duo-ml-g12s-3-bfg-650) | 650 | 20.9 | -0.340 | Monocrystalline |
| 7 | [Q.TRON XL-G2.3 / BFG 645](https://comparepv.com/panel/q-cells-q-tron-xl-g2-3-bfg-645) | 645 | 23.1 | -0.290 | Monocrystalline |
| 8 | [Q.TRON XL-G2.3 / BFG 640](https://comparepv.com/panel/q-cells-q-tron-xl-g2-3-bfg-640) | 640 | 22.9 | -0.290 | Monocrystalline |
| 9 | [Q.TRON XL-G2.3 / BFG 635](https://comparepv.com/panel/hanwha-q-cells-america-inc-q-tron-xl-g2-3-bfg-635) | 635 | 22.7 | -0.300 | Monocrystalline |
| 10 | [Q.TRON XL-G2.3 / BFG 630](https://comparepv.com/panel/hanwha-q-cells-america-inc-q-tron-xl-g2-3-bfg-630) | 630 | 22.6 | -0.300 | Monocrystalline |


## Summary

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.

\---LINKS---

\- https://www.solarreviews.com/blog/hanwha-q-cells-solar-panels-complete-review \| Hanwha Q CELLS Solar Panels - Complete Expert Review \| review

\- https://www.ecowatch.com/solar/reviews/qcells-solar-panels \| QCells Solar Panels Review: Cost, Efficiency and Performance \| review

\- https://www.renvu.com/blogs/learn/tier-1-solar-panels-list-2025-updated-manufacturers-rankings \| Tier 1 Solar Panels List 2025 - Updated Manufacturers and Rankings \| article

\- https://taiyangnews.info/business/hanwha-solutions-planning-8-4-gw-us-production-capacity \| Hanwha Solutions Planning 8.4 GW US Production Capacity \| article

\- https://www.thesolarlab.com/how-tos/ecoflow-behind-the-brand \| Who is EcoFlow - Behind the Brand \| article

Sources:

\- \[Expert Review Of Qcells Solar Panels For 2025\](https://www.solarreviews.com/blog/hanwha-q-cells-solar-panels-complete-review)

\- \[QCells Solar Panels Review (2025)\](https://www.ecowatch.com/solar/reviews/qcells-solar-panels)

\- \[Tier 1 Solar Panels List 2025\](https://www.renvu.com/blogs/learn/tier-1-solar-panels-list-2025-updated-manufacturers-rankings)

\- \[Hanwha Solutions Planning 8.4 GW US Production Capacity\](https://taiyangnews.info/business/hanwha-solutions-planning-8-4-gw-us-production-capacity)

\- \[Who is EcoFlow - Behind the Brand\](https://www.thesolarlab.com/how-tos/ecoflow-behind-the-brand)

Written by claude-sonnet from the figures above.


## Other comparisons

- [EcoFlow vs A.B. Energy](https://comparepv.com/ecoflow-vs-a-b-energy)
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- [AIKO vs Q-Cells](https://comparepv.com/aiko-vs-q-cells)
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- [ARTsolar vs Q-Cells](https://comparepv.com/artsolar-vs-q-cells)


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Source: https://comparepv.com/ecoflow-vs-q-cells