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

# Haitai Solar vs Q-Cells

Q-Cells has the broader catalog (89 vs 16 models). Haitai Solar leans bifacial (100% of lineup).


## The two companies


| Attribute | Haitai Solar | Q-Cells |
| --- | --- | --- |
| Country | China | South Korea |
| Headquarters | Tangshan | Seoul |
| Founded | 2006 | 1999 |
| Employees | 1001-5000 | 2000+ |
| Annual capacity | 10 GW/year | 11.2 GW/year |
| Tier 1 | yes | yes |
| Listed | Beijing Stock Exchange: 920985 | NASDAQ: HQCL |
| Website | [https://www.haitai-solar.com](https://www.haitai-solar.com) | [https://www.qcells.com](https://www.qcells.com) |

Haitai Solar, founded in 2006, is a high-tech enterprise focused on green energy, covering nine major business segments including PV modules, PV power stations, PV mounting systems, energy storage, hydrogen energy, wind energy, PV cells, graphite/Carbon electrodes, and battery swapping. The company is committed to...

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 | Haitai Solar | Q-Cells | Margin |
| --- | --- | --- | --- |
| Panel Models | 16 | 89 | +73 |
| Max Power | 720 W | 675 W | +45 W |
| Avg Power | 527 W | 468 W | +59 W |


## Efficiency


| Measure | Haitai Solar | Q-Cells | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.20% | 23.20% |  |
| Avg Efficiency | 21.75% | 21.21% | +0.53 pp |


## Reliability & Warranty


| Measure | Haitai Solar | Q-Cells | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.276%/°C | -0.325%/°C | +0.048 |
| Bifacial Share | 16 (100%) | 35 (39%) | +61 pp |
| Avg Warranty | 30.0 yrs | 27.0 yrs | +3.0 yr |


## Efficiency distribution

Haitai Solar skews to higher efficiency: 12% of lineup is 23%+


| Efficiency band | Haitai Solar | Q-Cells |
| --- | --- | --- |
| \<20% | 4 (25.0%) | 7 (7.9%) |
| 21-22% | 1 (6.2%) | 30 (33.7%) |
| 22-23% | 9 (56.2%) | 21 (23.6%) |
| 23%+ | 2 (12.5%) | 2 (2.2%) |
| 20-21% | 0 | 29 (32.6%) |


## Power distribution

Haitai Solar offers more 600W+ panels (44% of lineup)


| Power band | Haitai Solar | Q-Cells |
| --- | --- | --- |
| \<400W | 4 (25.0%) | 20 (22.5%) |
| 400-499W | 5 (31.2%) | 41 (46.1%) |
| 600-699W | 2 (12.5%) | 17 (19.1%) |
| 700W+ | 5 (31.2%) | 0 |
| 500-599W | 0 | 11 (12.4%) |


## Cell technology

Dominant cell tech: **TOPCon** (56%)

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


| Technology | Haitai Solar | Q-Cells |
| --- | --- | --- |
| TOPCon | 9 (56.2%) | 8 (9.0%) |
| HJT | 7 (43.8%) | 0 |
| PERC | 0 | 38 (42.7%) |
| N-type | 0 | 23 (25.8%) |
| Unknown | 0 | 20 (22.5%) |


## Top panels, Haitai Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [JT720SLkB](https://comparepv.com/panel/haitai-solar-jt720slkb) | 720 | 23.2 | -0.240 | Monocrystalline |
| 2 | [JT715SLkB](https://comparepv.com/panel/haitai-solar-jt715slkb) | 715 | 23.0 | -0.240 | Monocrystalline |
| 3 | [JT710SLkB](https://comparepv.com/panel/haitai-solar-jt710slkb) | 710 | 22.9 | -0.240 | Monocrystalline |
| 4 | [JT705SLkB](https://comparepv.com/panel/haitai-solar-jt705slkb) | 705 | 22.7 | -0.240 | Monocrystalline |
| 5 | [JT700SLkB](https://comparepv.com/panel/haitai-solar-jt700slkb) | 700 | 22.5 | -0.240 | Monocrystalline |
| 6 | [JT695SLkB](https://comparepv.com/panel/haitai-solar-jt695slkb) | 695 | 22.4 | -0.240 | Monocrystalline |
| 7 | [JT690SLkB](https://comparepv.com/panel/haitai-solar-jt690slkb) | 690 | 22.2 | -0.240 | Monocrystalline |
| 8 | [CETC-455TR(GDF)/96](https://comparepv.com/panel/haitai-solar-cetc-455tr-gdf-96) | 455 | 22.8 | -0.300 | Monocrystalline |
| 9 | [CETC-450TR(GDF)/96](https://comparepv.com/panel/haitai-solar-cetc-450tr-gdf-96) | 450 | 22.5 | -0.300 | Monocrystalline |
| 10 | [CETC-445TR(GDF)/96](https://comparepv.com/panel/haitai-solar-cetc-445tr-gdf-96) | 445 | 22.3 | -0.300 | 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

Haitai Solar is a Chinese manufacturer headquartered in Tangshan, Hebei province, founded in 2006 and publicly listed on the Beijing Stock Exchange since 2022. The company achieved BNEF Tier 1 bankability status across all four quarters of 2025 and cites a total global production capacity of approximately 10 GW across facilities in Tangshan, Shaanxi, and Vietnam. Q-Cells - now operating as Hanwha Q CELLS following its 2012 acquisition by South Korean conglomerate Hanwha - traces its roots to Germany and today runs the largest solar manufacturing facility in the Western Hemisphere, located in Dalton, Georgia. Q CELLS likewise holds Bloomberg BNEF Tier 1 status and ranked third on SolarReviews' list of top panel manufacturers for 2025. In terms of institutional visibility and Western market penetration, Q CELLS carries the stronger footprint for buyers in North America and Europe.

Haitai Solar's catalog spans a wide power range and the company has committed significant capital to heterojunction (HJT) cell production, positioning its modules across residential, commercial-industrial, and utility-scale segments. Q CELLS concentrates its premium lineup on the Q.TRON series, built around the company's proprietary Q.ANTUM NEO N-type TOPCon technology, reaching module efficiencies up to 22.5% and a notably low temperature coefficient of -0.29 percent per degree Celsius - a measurable advantage in hot climates. Q.TRON modules carry 25-year product and performance warranties and are assembled in the USA, providing supply-chain and trade-policy benefits in the American market. The older Q.PEAK DUO family extends Q CELLS coverage into commercial rooftop projects at pricing roughly 15 to 20 percent below premium competitors such as Maxeon.

For a typical residential or commercial buyer in North America or Western Europe in 2025, Q CELLS is the more accessible default: its domestic US assembly, well-documented warranty track record, and consistent third-party review standing reduce procurement risk. Haitai Solar is a credible Tier 1 alternative particularly well-suited to Asia-Pacific buyers or international utility-scale developers where Chinese supply chains are standard and where the company's expanding HJT capacity may offer competitive efficiency at scale.

\---LINKS---

\- https://comparepv.com/reviews/haitai-solar \| Haitai Solar Solar Panels Review 2026 - ComparePV \| review

\- https://www.eqmagpro.com/haitai-solar-with-8-gw-module-production-capacity-in-china-and-vietnam-listed-on-beijing-stock-exchange-eq-mag-pro/ \| Haitai Solar 8 GW module production capacity - EQ Mag Pro \| article

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

\- https://www.ecowatch.com/solar/reviews/qcells-solar-panels \| QCells Solar Panels Review 2025 - Cost, Efficiency and Performance \| review

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

Sources:

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

\- \[Haitai Solar 8 GW Module Production Capacity - EQ Mag Pro\](https://www.eqmagpro.com/haitai-solar-with-8-gw-module-production-capacity-in-china-and-vietnam-listed-on-beijing-stock-exchange-eq-mag-pro/)

\- \[Expert Review of Qcells Solar Panels for 2025 - SolarReviews\](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)

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

Written by claude-sonnet from the figures above.


## Other comparisons

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


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

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