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

# Dyness vs Q-Cells

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


## The two companies


| Attribute | Dyness | Q-Cells |
| --- | --- | --- |
| Country | China | South Korea |
| Headquarters | Suzhou | Seoul |
| Founded | 2017 | 1999 |
| Employees | 200+ | 2000+ |
| Annual capacity | 3+ GW/year | 11.2 GW/year |
| Tier 1 |  | yes |
| Listed |  | NASDAQ: HQCL |
| Website | [https://www.dynesspower.com](https://www.dynesspower.com) | [https://www.qcells.com](https://www.qcells.com) |

Dyness is a global innovator in energy storage solutions, specializing in battery system integration R&D and manufacturing. They provide lithium iron phosphate (LFP) battery solutions for residential, commercial, and industrial applications. Dyness serves over 500,000 users in 100+ countries, partnering with 90+...

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


## Efficiency


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


## Reliability & Warranty


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


## Efficiency distribution

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


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


## Power distribution

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


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


## Cell technology

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


| Technology | Dyness | Q-Cells |
| --- | --- | --- |
| PERC | 0 | 38 (42.7%) |
| N-type | 0 | 23 (25.8%) |
| Unknown | 0 | 20 (22.5%) |
| TOPCon | 0 | 8 (9.0%) |


## 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

Dyness is a Chinese energy storage manufacturer founded in 2017 and headquartered in Suzhou, China. The company specializes in lithium iron phosphate battery systems rather than solar panels, having shipped over one million units to residential, commercial, and industrial customers across more than 100 countries. It won the EUPD Top Brand Storage award in Europe in 2025, reflecting genuine traction in battery markets, though it holds no recognized Tier 1 solar module bankability rating because solar panels are not its core product. Q-Cells, operating as Hanwha Q CELLS since its acquisition by South Korean conglomerate Hanwha Group, traces its roots to Germany in 1999 and has grown into one of the most recognized solar module brands globally. It holds a Top Tier bankability rating from BloombergNEF, was named an S&P Global Tier 1 cleantech company for 2025, and operates reported module production capacity in the range of 11-12 GW per year across facilities in Asia and the United States. Q-Cells carries the stronger institutional solar footprint by a wide margin.

Because they occupy different parts of the solar energy value chain, a direct head-to-head comparison is not straightforward. Dyness competes in the battery energy storage segment, offering all-in-one systems such as the Cygni and Powerbox lines alongside standalone LiFePO4 battery towers aimed at home backup and self-consumption. Q-Cells focuses entirely on solar modules, from the Q.PEAK DUO PERC series targeting cost-conscious residential and commercial buyers to the premium Q.TRON range built on N-type TOPCon cell technology, with peak efficiencies reaching up to 23.7% in top models and a 25-year product warranty backed by low annual degradation rates.

For a buyer selecting a solar panel, Q-Cells is the clear default in 2025 given its certified bankability, well-documented track record, and competitive efficiency at mid-range pricing. Dyness becomes relevant as a storage pairing alongside any panel brand and is a credible choice in that role - but the two brands address fundamentally different purchasing decisions within a complete solar-plus-storage system and are not interchangeable.

\---LINKS---

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

\- https://www.energysage.com/solar/best-solar-panels-complete-ranking/q-cells-solar-panels-complete-review/ \| Q CELLS Solar Panels: The Complete Review - EnergySage \| review

\- https://www.pv-magazine.com/press-releases/q-cells-achieves-top-tier-class-bankability-score-in-latest-bloombergnef-report/ \| Q Cells achieves Top Tier bankability score in BloombergNEF report \| article

\- https://www.solarquotes.com.au/battery-storage/reviews/dyness-review.html \| Dyness Solar Battery Storage Review - SolarQuotes Australia \| review

\- https://solarlinkaustralia.com.au/dyness-cygni-all-in-one-ess-2025/ \| Dyness Cygni All-in-One ESS Review 2025 - Solar Link Australia \| review

Sources:

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

\- \[Q CELLS Solar Panels: The Complete Review - EnergySage\](https://www.energysage.com/solar/best-solar-panels-complete-ranking/q-cells-solar-panels-complete-review/)

\- \[Q Cells achieves Top Tier bankability score in BloombergNEF report\](https://www.pv-magazine.com/press-releases/q-cells-achieves-top-tier-class-bankability-score-in-latest-bloombergnef-report/)

\- \[Dyness Solar Battery Storage Review - SolarQuotes Australia\](https://www.solarquotes.com.au/battery-storage/reviews/dyness-review.html)

\- \[Dyness Cygni All-in-One ESS Review 2025 - Solar Link Australia\](https://solarlinkaustralia.com.au/dyness-cygni-all-in-one-ess-2025/)

Written by claude-sonnet from the figures above.


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