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

# Q-Cells vs Runtech China

Q-Cells has the broader catalog (89 vs 21 models). Runtech China leads on peak efficiency at 24.30%. Q-Cells leans bifacial (39% of lineup).


## The two companies


| Attribute | Q-Cells | Runtech China |
| --- | --- | --- |
| Country | South Korea | China |
| Headquarters | Seoul | Xi'an |
| Founded | 1999 | 2008 |
| Employees | 2000+ | 50+ |
| Annual capacity | 11.2 GW/year |  |
| Tier 1 | yes |  |
| Listed | NASDAQ: HQCL |  |
| Website | [https://www.qcells.com](https://www.qcells.com) | [http://www.runtechenergy.com](http://www.runtechenergy.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...

Runtech Energy, founded in 2008, is a leading independent solar production supplier and designer. They are a trader of solar modules and PV project developer, with over 500MW of premium quality modules deployed worldwide. Runtech is committed to providing high-quality solar products and system integration services.


## Catalog & Power


| Measure | Q-Cells | Runtech China | Margin |
| --- | --- | --- | --- |
| Panel Models | 89 | 21 | +68 |
| Max Power | 675 W | 420 W | +255 W |
| Avg Power | 468 W | 301 W | +167 W |


## Efficiency


| Measure | Q-Cells | Runtech China | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.20% | 24.30% | +1.10 pp |
| Avg Efficiency | 21.21% | 18.59% | +2.63 pp |


## Reliability & Warranty


| Measure | Q-Cells | Runtech China | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.325%/°C | -0.350%/°C | +0.025 |
| Bifacial Share | 35 (39%) | 1 (5%) | +35 pp |
| Avg Warranty | 27.0 yrs | 25.0 yrs | +2.0 yr |


## Efficiency distribution

Runtech China skews to higher efficiency: 5% of lineup is 23%+


| Efficiency band | Q-Cells | Runtech China |
| --- | --- | --- |
| \<20% | 7 (7.9%) | 13 (61.9%) |
| 20-21% | 29 (32.6%) | 4 (19.0%) |
| 21-22% | 30 (33.7%) | 3 (14.3%) |
| 22-23% | 21 (23.6%) | 0 |
| 23%+ | 2 (2.2%) | 1 (4.8%) |


## Power distribution

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


| Power band | Q-Cells | Runtech China |
| --- | --- | --- |
| \<400W | 20 (22.5%) | 16 (76.2%) |
| 400-499W | 41 (46.1%) | 5 (23.8%) |
| 500-599W | 11 (12.4%) | 0 |
| 600-699W | 17 (19.1%) | 0 |


## Cell technology

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


| Technology | Q-Cells | Runtech China |
| --- | --- | --- |
| PERC | 38 (42.7%) | 0 |
| N-type | 23 (25.8%) | 0 |
| Unknown | 20 (22.5%) | 21 (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, Runtech China


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [RT420WM](https://comparepv.com/panel/runtech-china-rt420wm) | 420 | 21.6 | -0.350 | Monocrystalline |
| 2 | [RT415WM](https://comparepv.com/panel/runtech-china-rt415wm) | 415 | 21.3 | -0.350 | Monocrystalline |
| 3 | [RT410WM](https://comparepv.com/panel/runtech-china-rt410wm) | 410 | 21.0 | -0.350 | Monocrystalline |
| 4 | [RT405WM](https://comparepv.com/panel/runtech-china-rt405wm) | 405 | 20.8 | -0.350 | Monocrystalline |
| 5 | [RT400WM](https://comparepv.com/panel/runtech-china-rt400wm) | 400 | 20.5 | -0.350 | Monocrystalline |
| 6 | [RT395WM](https://comparepv.com/panel/runtech-china-rt395wm) | 395 | 20.2 | -0.350 | Monocrystalline |
| 7 | [RT390WM](https://comparepv.com/panel/runtech-china-rt390wm) | 390 | 20.0 | -0.350 | Monocrystalline |
| 8 | [RT-355M](https://comparepv.com/panel/runtech-china-rt-355m) | 355 | 18.5 | -0.410 | Polycrystalline |
| 9 | [RT 355M](https://comparepv.com/panel/runtech-china-rt-355m-1) | 355 | 18.5 | -0.410 | Polycrystalline |
| 10 | [RT-350M](https://comparepv.com/panel/runtech-china-rt-350m) | 350 | 18.0 | -0.410 | Polycrystalline |


## Summary

Q-Cells, now operating as Hanwha Q CELLS under its South Korean parent Hanwha Group, traces its origins to a German solar startup founded in 1999 and has since grown into one of the most widely recognized panel brands in Western markets. It holds BloombergNEF Tier 1 status, signaling strong bankability and financial stability. The company's U.S. manufacturing footprint - anchored by two factories in Georgia with a combined module capacity of approximately 8.4 GW annually - gives it the largest silicon-based solar module production base in North America. Runtech China Co., Ltd. is a considerably smaller Chinese manufacturer, headquartered variously reported as Changzhou, Jiangsu province, founded around 2008-2014, with a declared annual production capacity of roughly 200 MW. It does not appear on any published BNEF Tier 1 list. In terms of institutional footprint and bankable standing, Q-Cells holds a clear advantage.

Q-Cells serves both residential and commercial markets with its Q.ANTUM NEO (TOPCon-generation) cell platform, with efficiency ratings reaching above 22.5% on flagship lines. Its product families target premium residential rooftops in North America and Europe, as well as light commercial installations where long warranty support and supply-chain transparency matter. Runtech China covers a broad wattage range from small off-grid panels up to approximately 600 W modules and accepts OEM and ODM orders, positioning it primarily as a budget and private-label supplier for price-sensitive commercial or off-grid projects. The company reportedly signed a distributor arrangement for LONGi products, suggesting it also acts partly as a trading and project-development business rather than a pure module manufacturer.

For a typical buyer in 2025 seeking a bankable, warranty-backed panel for grid-tied residential or commercial projects, Q-Cells is the more straightforward choice, backed by Tier 1 status, U.S. domestic production, and a well-documented track record. Runtech China may suit buyers who prioritize low unit cost or need OEM flexibility for niche or off-grid applications, but the absence of Tier 1 recognition and limited independent review data make it a harder sell for financed projects.

\---LINKS---

\- https://www.solarreviews.com/blog/hanwha-q-cells-solar-panels-complete-review \| Hanwha Q CELLS solar panels - expert review 2025 \| review

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

\- 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 - 3.3 GW annual capacity \| article

\- https://www.enfsolar.com/runtech-china \| Runtech China Co. Ltd profile - ENF Solar directory \| article

\- https://tracxn.com/d/companies/runtech-solar-panels/\_\_MjXSLiy3Y4\_LEq2rtZ-BgbU4g8BD40ihsW8zZtRV2sM \| Runtech Solar Panels - 2025 company profile and competitors \| article

Sources:

\- \[Hanwha Q CELLS Solar Panels Review 2025 - SolarReviews\](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)

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

\- \[Runtech China profile - ENF Solar\](https://www.enfsolar.com/runtech-china)

\- \[Runtech Solar Panels company profile - Tracxn\](https://tracxn.com/d/companies/runtech-solar-panels/\_\_MjXSLiy3Y4\_LEq2rtZ-BgbU4g8BD40ihsW8zZtRV2sM)

Written by claude-sonnet from the figures above.


## Other comparisons

- [Q-Cells vs A.B. Energy](https://comparepv.com/q-cells-vs-a-b-energy)
- [AE Solar vs Runtech China](https://comparepv.com/ae-solar-vs-runtech-china)
- [Q-Cells vs AEET](https://comparepv.com/q-cells-vs-aeet)
- [AIKO vs Runtech China](https://comparepv.com/aiko-vs-runtech-china)
- [Q-Cells vs AKCOME](https://comparepv.com/q-cells-vs-akcome)
- [ARTsolar vs Runtech China](https://comparepv.com/artsolar-vs-runtech-china)


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Source: https://comparepv.com/q-cells-vs-runtech-china

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