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

# JS Solar vs Q-Cells

JS Solar has the broader catalog (137 vs 89 models). Q-Cells leads on peak efficiency at 23.20%. Q-Cells leans bifacial (39% of lineup).


## The two companies


| Attribute | JS Solar | Q-Cells |
| --- | --- | --- |
| Country | China | South Korea |
| Headquarters | Jinhua | Seoul |
| Founded | 2011 | 1999 |
| Employees |  | 2000+ |
| Annual capacity |  | 11.2 GW/year |
| Tier 1 | no | yes |
| Listed |  | NASDAQ: HQCL |
| Website | [https://www.jssolar.com](https://www.jssolar.com) | [https://www.qcells.com](https://www.qcells.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...


## Catalog & Power


| Measure | JS Solar | Q-Cells | Margin |
| --- | --- | --- | --- |
| Panel Models | 137 | 89 | +48 |
| Max Power | 670 W | 675 W | +5 W |
| Avg Power | 430 W | 468 W | +38 W |


## Efficiency


| Measure | JS Solar | Q-Cells | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 22.45% | 23.20% | +0.75 pp |
| Avg Efficiency | 20.03% | 21.21% | +1.18 pp |


## Reliability & Warranty


| Measure | JS Solar | Q-Cells | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.335%/°C | -0.325%/°C | +0.010 |
| Bifacial Share | 12 (9%) | 35 (39%) | +31 pp |
| Avg Warranty | 25.1 yrs | 27.0 yrs | +1.8 yr |


## Efficiency distribution

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


| Efficiency band | JS Solar | Q-Cells |
| --- | --- | --- |
| \<20% | 44 (32.1%) | 7 (7.9%) |
| 20-21% | 49 (35.8%) | 29 (32.6%) |
| 21-22% | 38 (27.7%) | 30 (33.7%) |
| 22-23% | 6 (4.4%) | 21 (23.6%) |
| 23%+ | 0 | 2 (2.2%) |


## Power distribution

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


| Power band | JS Solar | Q-Cells |
| --- | --- | --- |
| \<400W | 54 (39.4%) | 20 (22.5%) |
| 400-499W | 44 (32.1%) | 41 (46.1%) |
| 500-599W | 32 (23.4%) | 11 (12.4%) |
| 600-699W | 7 (5.1%) | 17 (19.1%) |


## Cell technology

Dominant cell tech: **PERC** (39%)

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


| Technology | JS Solar | Q-Cells |
| --- | --- | --- |
| Unknown | 76 (55.5%) | 20 (22.5%) |
| PERC | 53 (38.7%) | 38 (42.7%) |
| TOPCon | 8 (5.8%) | 8 (9.0%) |
| N-type | 0 | 23 (25.8%) |


## Top panels, JS Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [JS210MHC132-670](https://comparepv.com/panel/js-solar-js210mhc132-670) | 670 | 21.6 | -0.340 | Monocrystalline |
| 2 | [JS210MHC132-665](https://comparepv.com/panel/js-solar-js210mhc132-665) | 665 | 21.4 | -0.340 | Monocrystalline |
| 3 | [JS210MHC132-660](https://comparepv.com/panel/js-solar-js210mhc132-660) | 660 | 21.2 | -0.340 | Monocrystalline |
| 4 | [JS210MHC132-655](https://comparepv.com/panel/js-solar-js210mhc132-655) | 655 | 21.1 | -0.340 | Monocrystalline |
| 5 | [JS210MHC132-650](https://comparepv.com/panel/js-solar-js210mhc132-650) | 650 | 20.9 | -0.340 | Monocrystalline |
| 6 | [JS210MHC120-605](https://comparepv.com/panel/js-solar-js210mhc120-605) | 605 | 21.4 | -0.340 | Monocrystalline |
| 7 | [JS210MHC120-600](https://comparepv.com/panel/js-solar-js210mhc120-600) | 600 | 21.2 | -0.340 | Monocrystalline |
| 8 | [JS210MHC120-595](https://comparepv.com/panel/js-solar-js210mhc120-595) | 595 | 21.0 | -0.340 | Monocrystalline |
| 9 | [JS210MHC120-590](https://comparepv.com/panel/js-solar-js210mhc120-590) | 590 | 20.8 | -0.340 | Monocrystalline |
| 10 | [JS210MHC120-585](https://comparepv.com/panel/js-solar-js210mhc120-585) | 585 | 20.7 | -0.340 | Monocrystalline |


## 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

JS Solar is a Chinese manufacturer founded in 2007 and headquartered in Yixing, Jiangsu Province. The company reports annual module shipments above 3 GW and has stated manufacturing capacity reaching toward 20 GW, though independent verification of that upper figure is limited in publicly available industry sources. Its Tier 1 or BloombergNEF bankability classification has not been confirmed in the major surveys reviewed. Hanwha Q CELLS, by contrast, is the solar division of South Korea's Hanwha Group and traces its cell-technology lineage to the original German Q-Cells business acquired in 2012. It carries confirmed BloombergNEF Tier 1 status, operates manufacturing facilities across South Korea, Malaysia, and the United States, and has reported combined production capacity of over 11 GW per year. Q CELLS has the considerably stronger institutional footprint of the two.

JS Solar offers a broad catalog spanning residential rooftop and commercial ground-mount applications, with panel wattages reaching up to roughly 670 W, a bifacial product range, and a standard 25-year performance warranty - positioning the brand as a value-oriented option for cost-sensitive commercial or utility developers. Q CELLS is best known for its proprietary Q.ANTUM PERC technology, which has accumulated a long field-performance track record, and the company has publicly announced TOPCon and tandem perovskite lines in its roadmap. Its product range targets premium residential rooftops and mid-to-large commercial installations, and its Georgia manufacturing operation - the largest solar module factory in the Western Hemisphere - makes it especially relevant for U.S. buyers seeking domestic supply chain compliance under current trade policy.

For a typical buyer in 2025 who prioritizes documented bankability, an extensive field-performance history, and U.S. manufacturing options, Q CELLS is the more defensible default. JS Solar can be a competitive choice where upfront cost is the primary driver and project financing does not require a confirmed Tier 1 supplier, but buyers should verify its current bankability standing before committing to a large installation.

\---LINKS---

\- https://www.energysage.com/supplier/20136/js-solar/ \| JS Solar profile and buyer reviews - EnergySage \| review

\- https://comparepv.com/reviews/js-solar \| JS Solar panels review 2026 - ComparePV \| review

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

\- https://solartechonline.com/blog/hanwha-q-cells-solar-panels-review-2025/ \| Hanwha Q CELLS solar panels review 2025 - SolarTechOnline \| review

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

Sources:

\- \[JS Solar - Profile & Reviews - EnergySage\](https://www.energysage.com/supplier/20136/js-solar/)

\- \[JS Solar Panels Review 2026 - ComparePV\](https://comparepv.com/reviews/js-solar)

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

\- \[Hanwha Q CELLS Solar Panels Review 2025 - SolarTechOnline\](https://solartechonline.com/blog/hanwha-q-cells-solar-panels-review-2025/)

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

Written by claude-sonnet from the figures above.


## Other comparisons

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


---

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

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