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

# DAH Solar vs Q-Cells

DAH Solar has the broader catalog (363 vs 89 models). DAH Solar leads on peak efficiency at 23.34%. DAH Solar leans bifacial (87% of lineup).


## The two companies


| Attribute | DAH Solar | Q-Cells |
| --- | --- | --- |
| Country | China | South Korea |
| Headquarters | Hefei | Seoul |
| Founded | 2009 | 1999 |
| Employees | 2000+ | 2000+ |
| Annual capacity | 10 GW/year | 11.2 GW/year |
| Tier 1 | yes | yes |
| Listed |  | NASDAQ: HQCL |
| Website | null | [https://www.qcells.com](https://www.qcells.com) |

DAH Solar is an innovation-driven and technology-leading company specializing in PV product manufacturing. They focus on R&D, manufacturing, and sales of high-efficiency PV modules, integrated PV systems, and solar energy storage systems. DAH Solar is known for its patented Full-Screen PV Module and SolarUnit...

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 | DAH Solar | Q-Cells | Margin |
| --- | --- | --- | --- |
| Panel Models | 363 | 89 | +274 |
| Max Power | 725 W | 675 W | +50 W |
| Avg Power | 520 W | 468 W | +52 W |


## Efficiency


| Measure | DAH Solar | Q-Cells | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.34% | 23.20% | +0.14 pp |
| Avg Efficiency | 22.10% | 21.21% | +0.89 pp |


## Reliability & Warranty


| Measure | DAH Solar | Q-Cells | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.299%/°C | -0.325%/°C | +0.026 |
| Bifacial Share | 316 (87%) | 35 (39%) | +48 pp |
| Avg Warranty | 29.4 yrs | 27.0 yrs | +2.4 yr |


## Efficiency distribution

DAH Solar skews to higher efficiency: 8% of lineup is 23%+


| Efficiency band | DAH Solar | Q-Cells |
| --- | --- | --- |
| \<20% | 10 (2.8%) | 7 (7.9%) |
| 20-21% | 22 (6.1%) | 29 (32.6%) |
| 21-22% | 86 (23.7%) | 30 (33.7%) |
| 22-23% | 217 (59.8%) | 21 (23.6%) |
| 23%+ | 28 (7.7%) | 2 (2.2%) |


## Power distribution

DAH Solar offers more 600W+ panels (22% of lineup)


| Power band | DAH Solar | Q-Cells |
| --- | --- | --- |
| \<400W | 8 (2.2%) | 20 (22.5%) |
| 400-499W | 161 (44.4%) | 41 (46.1%) |
| 500-599W | 113 (31.1%) | 11 (12.4%) |
| 600-699W | 71 (19.6%) | 17 (19.1%) |
| 700W+ | 10 (2.8%) | 0 |


## Cell technology

Dominant cell tech: **TOPCon** (88%)

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


| Technology | DAH Solar | Q-Cells |
| --- | --- | --- |
| TOPCon | 319 (87.9%) | 8 (9.0%) |
| PERC | 44 (12.1%) | 38 (42.7%) |
| N-type | 0 | 23 (25.8%) |
| Unknown | 0 | 20 (22.5%) |


## Top panels, DAH Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [DHN-66Y18/DG-725](https://comparepv.com/panel/dah-dhn-66y18-dg-725) | 725 | 23.3 | -0.290 | Monocrystalline |
| 2 | [DHN-66Y18/DG-720](https://comparepv.com/panel/dah-dhn-66y18-dg-720) | 720 | 23.2 | -0.290 | Monocrystalline |
| 3 | [DHN-66Y18/DG-715](https://comparepv.com/panel/dah-dhn-66y18-dg-715) | 715 | 23.0 | -0.290 | Monocrystalline |
| 4 | [DAS-DH132NC-715](https://comparepv.com/panel/dah-solar-das-dh132nc-715) | 715 | 23.0 | -0.280 | Monocrystalline |
| 5 | [DHN-66Y18/DG-710](https://comparepv.com/panel/dah-dhn-66y18-dg-710) | 710 | 22.9 | -0.290 | Monocrystalline |
| 6 | [DAS-DH132NC-710](https://comparepv.com/panel/dah-solar-das-dh132nc-710) | 710 | 22.9 | -0.280 | Monocrystalline |
| 7 | [DHN-66Y18/DG-705](https://comparepv.com/panel/dah-dhn-66y18-dg-705) | 705 | 22.7 | -0.290 | Monocrystalline |
| 8 | [DAS-DH132NC-705](https://comparepv.com/panel/dah-solar-das-dh132nc-705) | 705 | 22.7 | -0.280 | Monocrystalline |
| 9 | [DHN-66Y18/DG-700](https://comparepv.com/panel/dah-dhn-66y18-dg-700) | 700 | 22.5 | -0.290 | Monocrystalline |
| 10 | [DAS-DH132NC-700](https://comparepv.com/panel/dah-solar-das-dh132nc-700) | 700 | 22.5 | -0.280 | 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

DAH Solar is a Chinese photovoltaic manufacturer founded in 2009 and headquartered in Hefei, Anhui Province. The company operates four highly automated production facilities and has maintained BloombergNEF Tier 1 status continuously, including Q1 and Q3 2025. According to the manufacturer, its production capacity reaches approximately 5.5 GW of TOPCon solar cells and 10 GW of TOPCon modules per year, with distribution spanning more than 50 countries. Q CELLS has a longer and more complex history: founded in 1999 in Bitterfeld-Wolfen, Germany, it declared bankruptcy in 2012 and was subsequently acquired by South Korean conglomerate Hanwha Group. Now trading as Hanwha Q CELLS, it maintains its global executive headquarters in Seoul and its technology center in Thalheim, Germany, holds BloombergNEF Tier 1 status, and operates manufacturing in the United States (the largest solar factory in the Western Hemisphere, located in Dalton, Georgia), South Korea, Malaysia, and China. In terms of brand recognition and institutional depth on the European market, Q CELLS holds a clear advantage.

Both manufacturers address residential rooftop installations as well as commercial and utility-scale projects. DAH Solar differentiates itself primarily through TOPCon cell technology and its proprietary Full-Screen module design - a patented frameless construction that reduces soiling accumulation and improves energy yield, with colored module variants also available for building-integrated PV (BIPV) applications. Q CELLS offers a broad portfolio centered on its Q.ANTUM technology (an evolution of PERC), with panels consistently earning high marks in independent PVEL scorecard testing. According to Wood Mackenzie, Q CELLS holds the number one market share in both U.S. residential and commercial solar segments, and is recognized as the leading European PV provider by shipments, giving it a strong supply-chain presence and well-established installer support networks across key markets.

For international buyers, Q CELLS is generally the lower-risk choice given its established distribution infrastructure, long track record of European and North American market penetration, and well-documented after-sales support. DAH Solar is a credible and technically innovative alternative - particularly where Full-Screen or TOPCon-specific features are a priority - but buyers should verify local warranty service availability before committing at scale. In mainstream residential and C&I project contexts, the two brands are broadly comparable in technology generation and bankability.

Written by claude-sonnet from the figures above.


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- [AIKO vs Q-Cells](https://comparepv.com/aiko-vs-q-cells)
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- [ARTsolar vs Q-Cells](https://comparepv.com/artsolar-vs-q-cells)


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

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