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

# Q-Cells vs YS Solar

Q-Cells has the broader catalog (89 vs 5 models). Q-Cells leads on peak efficiency at 23.20%. Q-Cells leans bifacial (39% of lineup).


## The two companies


| Attribute | Q-Cells | YS Solar |
| --- | --- | --- |
| Country | South Korea | China |
| Headquarters | Seoul | Meizhou City, Guangdong Province |
| Founded | 1999 | 2009 |
| Employees | 2000+ |  |
| Annual capacity | 11.2 GW/year |  |
| Tier 1 | yes |  |
| Listed | NASDAQ: HQCL |  |
| Website | [https://www.qcells.com](https://www.qcells.com) | [http://www.ys-solar.com/](http://www.ys-solar.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...

Guangdong Yaosheng Solar Technology Co., Ltd. (YS SOLAR) is a national high-tech enterprise specializing in the R&D, production, sales, and service of photovoltaic and solar thermal products. The company is a wholly-owned subsidiary of Guangdong Yaosheng-Yifang Group. YS Solar has become a leading enterprise in the...


## Catalog & Power


| Measure | Q-Cells | YS Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 89 | 5 | +84 |
| Max Power | 675 W | 350 W | +325 W |
| Avg Power | 468 W | 340 W | +128 W |


## Efficiency


| Measure | Q-Cells | YS Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.20% | 21.00% | +2.20 pp |
| Avg Efficiency | 21.21% | 20.40% | +0.81 pp |


## Reliability & Warranty


| Measure | Q-Cells | YS Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.325%/°C | -0.350%/°C | +0.025 |
| 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 | YS Solar |
| --- | --- | --- |
| \<20% | 7 (7.9%) | 1 (20.0%) |
| 20-21% | 29 (32.6%) | 3 (60.0%) |
| 21-22% | 30 (33.7%) | 1 (20.0%) |
| 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 | YS Solar |
| --- | --- | --- |
| \<400W | 20 (22.5%) | 5 (100.0%) |
| 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 | YS Solar |
| --- | --- | --- |
| PERC | 38 (42.7%) | 0 |
| N-type | 23 (25.8%) | 0 |
| Unknown | 20 (22.5%) | 5 (100.0%) |
| 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 |


## Top panels, YS Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [YS350SM-90](https://comparepv.com/panel/ys-solar-ys350sm-90) | 350 | 21.0 | -0.350 | Monocrystalline |
| 2 | [YS345SM-90](https://comparepv.com/panel/ys-solar-ys345sm-90) | 345 | 20.7 | -0.350 | Monocrystalline |
| 3 | [YS340SM-90](https://comparepv.com/panel/ys-solar-ys340sm-90) | 340 | 20.4 | -0.350 | Monocrystalline |
| 4 | [YS335SM-90](https://comparepv.com/panel/ys-solar-ys335sm-90) | 335 | 20.1 | -0.350 | Monocrystalline |
| 5 | [YS330SM-90](https://comparepv.com/panel/ys-solar-ys330sm-90) | 330 | 19.8 | -0.350 | Monocrystalline |


## Summary

Q-Cells, operating under the full name Hanwha Q CELLS, is a South Korean-headquartered solar manufacturer born from the acquisition of the original German Q-Cells AG - a pioneer in solar cell technology - by the Hanwha Group in 2012. The company holds confirmed S&P Global Tier 1 Cleantech status as of 2025 and has long appeared on BloombergNEF bankability lists, giving lenders and project financiers strong confidence in its long-term viability. Its global module capacity has grown to the double-digit GW range, and it operates the largest solar manufacturing complex in the Western Hemisphere in Dalton, Georgia, complemented by a new 3.3 GW integrated facility in Cartersville, Georgia. YS Solar, operating as Guangdong Yaosheng Solar Technology Co., Ltd., is a Chinese manufacturer based in Guangdong Province and established in 2009. It holds industry certifications including ISO, CE, TUV, and CQC, but no confirmed Tier 1 or BloombergNEF bankability designation was found in available sources. In terms of institutional footprint, Q-Cells holds a decisive advantage.

Q-Cells is best known for its Q.ANTUM NEO cell architecture, a proprietary technology that builds on PERC with additional passivation layers, and its Q.TRON residential series reaches efficiency ratings around 22.5%. The company commands roughly 25% of the U.S. residential solar market and is equally active in commercial rooftop and light utility applications. YS Solar's catalog spans conventional monocrystalline and polycrystalline modules, and more recently PERC-based panels in the 160-550 Wp range, positioning it primarily as a budget or value-tier option for price-sensitive commercial and export markets. Independent performance reviews of YS Solar panels from major industry publications were not found during research.

For a typical buyer in 2025 - whether residential, commercial, or small utility - Q-Cells is the more defensible default. Its verified bankability, US domestic production, mature warranty infrastructure, and independently validated efficiency figures reduce long-term risk significantly. YS Solar may appeal to buyers prioritizing low upfront cost in markets where financing and warranty enforcement are less critical, but buyers should weigh the absence of a confirmed bankability rating carefully before committing to a 25-year asset.

\---LINKS---

\- https://www.solarreviews.com/blog/hanwha-q-cells-solar-panels-complete-review \| Expert Review of Qcells Solar Panels 2025 - SolarReviews \| review

\- https://www.hanwha.com/newsroom/news/press-releases/hanwha-qcells-named-an-s-p-global-2025-tier-1-cleantech-company.do \| Hanwha Qcells named 2025 S&P Global Tier 1 Cleantech company \| article

\- https://www.hanwha.com/newsroom/news/press-releases/hanwha-qcells-new-cartersville-factory-set-for-33-gw-of-solar-module-production-per-year.do \| Hanwha Qcells Cartersville factory set for 3.3 GW annual output \| article

\- https://www.enfsolar.com/ys-solar \| Guangdong Yaosheng Solar Technology - ENF Solar directory entry \| review

Sources:

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

\- \[Hanwha Qcells named 2025 S&P Global Tier 1 Cleantech company\](https://www.hanwha.com/newsroom/news/press-releases/hanwha-qcells-named-an-s-p-global-2025-tier-1-cleantech-company.do)

\- \[Hanwha Qcells Cartersville factory set for 3.3 GW of solar module production per year\](https://www.hanwha.com/newsroom/news/press-releases/hanwha-qcells-new-cartersville-factory-set-for-33-gw-of-solar-module-production-per-year.do)

\- \[Guangdong Yaosheng Solar Technology Co., Ltd. - ENF Solar\](https://www.enfsolar.com/ys-solar)

\- \[Hanwha Q CELLS maintains No.1 market share in U.S. residential and commercial solar sectors\](https://www.hanwha.com/newsroom/news/press-releases/hanwha-q-cells-maintains-number-one-market-share-in-us-residential-and-commercial-solar-sectors.do)

Written by claude-sonnet from the figures above.


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- [Q-Cells vs A.B. Energy](https://comparepv.com/q-cells-vs-a-b-energy)
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- [ARTsolar vs YS Solar](https://comparepv.com/artsolar-vs-ys-solar)


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Source: https://comparepv.com/q-cells-vs-ys-solar

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