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

# Q-Cells vs SolaX

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


## The two companies


| Attribute | Q-Cells | SolaX |
| --- | --- | --- |
| Country | South Korea | China |
| Headquarters | Seoul | Hangzhou |
| Founded | 1999 | 2012 |
| Employees | 2000+ | 2500-5000 |
| Annual capacity | 11.2 GW/year |  |
| Tier 1 | yes |  |
| Listed | NASDAQ: HQCL | SSE STAR: 688717 |
| Website | [https://www.qcells.com](https://www.qcells.com) | [https://www.solaxpower.com](https://www.solaxpower.com) |

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...

SolaX Power is a Chinese manufacturer of solar inverters, hybrid inverters, and energy storage systems, recognized as one of Asia's pioneering hybrid inverter developers. The company sells its products in over 80 countries and has expanded into a multinational corporation with R&D centers and offices across Europe...


## Catalog & Power


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


## Efficiency


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


## Reliability & Warranty


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


## Efficiency distribution

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


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


## Power distribution

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


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


## Cell technology

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


| Technology | Q-Cells | SolaX |
| --- | --- | --- |
| PERC | 38 (42.7%) | 0 |
| N-type | 23 (25.8%) | 0 |
| Unknown | 20 (22.5%) | 0 |
| TOPCon | 8 (9.0%) | 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, originally founded in Germany in 1999 and acquired by South Korean conglomerate Hanwha Group in 2012, is one of the most established solar module manufacturers in the world. Operating under the Hanwha Q CELLS name, the company holds Bloomberg Tier 1 status and runs the largest solar panel manufacturing facility in the Western Hemisphere in Dalton, Georgia, with total U.S. production capacity reportedly reaching 8.4 GW per year following recent plant expansions. Its institutional footprint - combining German engineering heritage, Korean conglomerate backing, and a substantial domestic U.S. manufacturing base - places it firmly among the leading global module brands.

SolaX Power is a Chinese company founded in 2012 and headquartered in Hangzhou, but it is not a solar panel manufacturer. Its product range consists of string inverters, hybrid inverters, and battery energy storage systems; the company does not appear to offer a standalone photovoltaic module line. SolaX listed on the Shanghai Stock Exchange in January 2024 and has earned a Tier 1 BTM (behind-the-meter) battery storage ranking from industry analysts, reflecting its strength in the inverter and storage segment rather than the module market.

For a buyer seeking solar panels in 2025, the two brands are not directly comparable as module suppliers. Q-Cells panels - particularly the Q.TRON G2 residential series based on the company's Q.ANTUM NEO TOPCon technology, rated above 22.5% efficiency and backed by 25-year product and performance warranties - represent a well-documented, widely available option suited to both residential rooftops and commercial installations. SolaX is best evaluated as an inverter and storage brand rather than a panel brand. A common and compatible approach in practice is to pair Q-Cells modules with a SolaX hybrid inverter or battery in an integrated residential system, letting each brand contribute what it actually manufactures.

\---LINKS---

\- https://www.solarreviews.com/blog/hanwha-q-cells-solar-panels-complete-review \| Expert Review of Qcells Solar Panels - SolarReviews \| review

\- https://www.ecowatch.com/solar/reviews/qcells-solar-panels \| QCells Solar Panels Review 2025 - EcoWatch \| review

\- https://www.energysage.com/supplier/26686/Solax/ \| SolaX Power Profile and Reviews - EnergySage \| review

\- https://solarandsolar.hu/solax-achieves-global-tier-1-ranking-in-btm-energy-storage-by-smm/ \| SolaX Achieves Global Tier 1 Ranking in BTM Energy Storage \| article

Sources:

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

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

\- \[SolaX Power Profile and Reviews - EnergySage\](https://www.energysage.com/supplier/26686/Solax/)

\- \[SolaX Achieves Global Tier 1 Ranking in BTM Energy Storage\](https://solarandsolar.hu/solax-achieves-global-tier-1-ranking-in-btm-energy-storage-by-smm/)

\- \[SolaX Power - Wikipedia\](https://en.wikipedia.org/wiki/SolaX\_Power)

Written by claude-sonnet from the figures above.


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- [ARTsolar vs SolaX](https://comparepv.com/artsolar-vs-solax)


---

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

Not in this file, on the page: the distributions above drawn as charts.