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

# Q-Cells vs RedSolar

Q-Cells has the broader catalog (89 vs 41 models). RedSolar leans bifacial (88% of lineup).


## The two companies


| Attribute | Q-Cells | RedSolar |
| --- | --- | --- |
| Country | South Korea | China |
| Headquarters | Seoul | Changsha |
| Founded | 1999 | 2008 |
| Employees | 2000+ | 1000-2000 |
| Annual capacity | 11.2 GW/year |  |
| Tier 1 | yes |  |
| Listed | NASDAQ: HQCL |  |
| Website | [https://www.qcells.com](https://www.qcells.com) | [https://www.red-solar.com](https://www.red-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...

Hunan Red Solar New Energy Science and Technology Co., Ltd. (RedSolar) is a state-owned high-tech enterprise incubated by the 48th Research Institute of China Electronics Technology Group Corporation (CETC), one of China's largest Fortune 500 state-owned conglomerates. The company manufactures solar cells, PV modules...


## Catalog & Power


| Measure | Q-Cells | RedSolar | Margin |
| --- | --- | --- | --- |
| Panel Models | 89 | 41 | +48 |
| Max Power | 675 W | 720 W | +45 W |
| Avg Power | 468 W | 582 W | +113 W |


## Efficiency


| Measure | Q-Cells | RedSolar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.20% | 23.20% |  |
| Avg Efficiency | 21.21% | 22.36% | +1.15 pp |


## Reliability & Warranty


| Measure | Q-Cells | RedSolar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.325%/°C | -0.303%/°C | +0.022 |
| Bifacial Share | 35 (39%) | 36 (88%) | +48 pp |
| Avg Warranty | 27.0 yrs | 29.4 yrs | +2.4 yr |


## Efficiency distribution

RedSolar skews to higher efficiency: 10% of lineup is 23%+


| Efficiency band | Q-Cells | RedSolar |
| --- | --- | --- |
| \<20% | 7 (7.9%) | 0 |
| 20-21% | 29 (32.6%) | 2 (4.9%) |
| 21-22% | 30 (33.7%) | 4 (9.8%) |
| 22-23% | 21 (23.6%) | 31 (75.6%) |
| 23%+ | 2 (2.2%) | 4 (9.8%) |


## Power distribution

RedSolar offers more 600W+ panels (61% of lineup)


| Power band | Q-Cells | RedSolar |
| --- | --- | --- |
| \<400W | 20 (22.5%) | 0 |
| 400-499W | 41 (46.1%) | 10 (24.4%) |
| 500-599W | 11 (12.4%) | 6 (14.6%) |
| 600-699W | 17 (19.1%) | 20 (48.8%) |
| 700W+ | 0 | 5 (12.2%) |


## Cell technology

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

Dominant cell tech: **TOPCon** (83%)


| Technology | Q-Cells | RedSolar |
| --- | --- | --- |
| PERC | 38 (42.7%) | 5 (12.2%) |
| N-type | 23 (25.8%) | 2 (4.9%) |
| Unknown | 20 (22.5%) | 0 |
| TOPCon | 8 (9.0%) | 34 (82.9%) |


## 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, RedSolar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [CETC-720T(GDF)/132](https://comparepv.com/panel/redsolar-cetc-720t-gdf-132) | 720 | 23.2 | -0.290 | Monocrystalline |
| 2 | [CETC-715T(GDF)/132](https://comparepv.com/panel/redsolar-cetc-715t-gdf-132) | 715 | 23.0 | -0.290 | Monocrystalline |
| 3 | [CETC-710T(GDF)/132](https://comparepv.com/panel/redsolar-cetc-710t-gdf-132) | 710 | 22.9 | -0.290 | Monocrystalline |
| 4 | [CETC-705T(GDF)/132](https://comparepv.com/panel/redsolar-cetc-705t-gdf-132) | 705 | 22.7 | -0.290 | Monocrystalline |
| 5 | [CETC-700T(GDF)/132](https://comparepv.com/panel/redsolar-cetc-700t-gdf-132) | 700 | 22.5 | -0.290 | Monocrystalline |
| 6 | [CETC-695T(GDF)/132](https://comparepv.com/panel/redsolar-cetc-695t-gdf-132) | 695 | 22.4 | -0.310 | Monocrystalline |
| 7 | [CETC-690T(GDF)/132](https://comparepv.com/panel/redsolar-cetc-690t-gdf-132) | 690 | 22.2 | -0.310 | Monocrystalline |
| 8 | [CETC-640T(GDF)/156](https://comparepv.com/panel/redsolar-cetc-640t-gdf-156) | 640 | 22.9 | -0.300 | Monocrystalline |
| 9 | [CETC-635T(GDF)/156](https://comparepv.com/panel/redsolar-cetc-635t-gdf-156) | 635 | 22.7 | -0.300 | Monocrystalline |
| 10 | [CETC-635TR(GDF)/132](https://comparepv.com/panel/redsolar-cetc-635tr-gdf-132) | 635 | 22.7 | -0.300 | Monocrystalline |


## Summary

Q-Cells is South Korean in origin, operating under the Hanwha Group conglomerate, with its founding history tracing to a German startup in 1999 that Hanwha acquired in 2012. The company holds confirmed BloombergNEF Tier 1 status and has expanded its manufacturing footprint significantly in the United States, with facilities in Dalton and Cartersville, Georgia contributing to a global module production capacity reported at over 11 GW annually. RedSolar, formally Hunan RedSolar New Energy Technology Co., Ltd., is a Chinese state-owned enterprise founded in 2008 and incubated by the 48th Research Institute of CETC - the China Electronics Technology Group Corporation - drawing on decades of semiconductor research. Headquartered in Hunan Province, RedSolar reports cumulative deliveries of over 30 GW of PV products and claims a commercial presence in more than 50 countries, though its BloombergNEF Tier 1 bankability status was not confirmed in available independent sources. On institutional footprint and recognized bankability in major Western project-finance markets, Qcells holds a clear advantage.

Qcells' main product families are the Q.PEAK DUO and Q.TRON lines, targeting residential and commercial rooftop installations. The Q.TRON series is built on the company's proprietary Q.ANTUM NEO technology - an advanced PERC-based platform - and reaches efficiencies up to 22.5%, while a Q.TRON AC variant integrates a microinverter for simplified installation. Qcells has also announced investment in TOPCon and perovskite-silicon tandem cell production for future product generations. According to Wood Mackenzie, the brand holds a top market-share position in both U.S. residential and commercial segments. RedSolar's catalog, organized around what it calls a "1+3+N" business matrix, spans residential, commercial, and industrial PV solutions. Specific cell-technology details for its current lineup - whether TOPCon, HJT, or PERC - were not independently confirmed in available sources, so efficiency and technology claims should be verified directly against current datasheets before any procurement decision.

For a typical buyer in 2025 - a homeowner in North America, a commercial developer in Europe, or an independent power producer seeking financeable equipment - Qcells is the more reliable default, given its confirmed bankability, broad third-party review coverage, strong warranty terms, and growing domestic U.S. manufacturing presence. RedSolar may be a competitive option for buyers in Asian or emerging markets where CETC's state-backed supply chain and pricing matter more than Western bankability credentials, but the lack of independent review data means due diligence on Tier 1 status and warranty backing should be completed on a project-by-project basis.

\---LINKS---

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

\- https://www.pv-magazine.com/2021/09/13/hanwha-q-cells-unveils-plan-to-produce-perovskite-topcon-solar-modules/ \| Hanwha Q Cells unveils plan to produce perovskite and TOPCon modules \| 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 module production \| article

\- https://www.enfsolar.com/redsolar-1 \| Hunan RedSolar New Energy Technology - ENF Solar company profile \| review

Sources:

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

\- \[Hanwha Q Cells unveils plan to produce perovskite, TOPCon solar modules - pv magazine\](https://www.pv-magazine.com/2021/09/13/hanwha-q-cells-unveils-plan-to-produce-perovskite-topcon-solar-modules/)

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

\- \[Hunan RedSolar New Energy Technology Co., Ltd. - ENF Solar\](https://www.enfsolar.com/redsolar-1)

\- \[BloombergNEF Tier 1 Solar Module Methodology\](https://assets.bnef.com/public/tiering/solarmodules.pdf)

Written by claude-sonnet from the figures above.


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---

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

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