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

# Growatt vs Q-Cells

Q-Cells has the broader catalog (89 vs 1 models). Q-Cells leads on peak efficiency at 23.20%. Q-Cells leans bifacial (39% of lineup).


## The two companies


| Attribute | Growatt | Q-Cells |
| --- | --- | --- |
| Country | China | South Korea |
| Headquarters | Shenzhen | Seoul |
| Founded | 2010 | 1999 |
| Employees |  | 2000+ |
| Annual capacity |  | 11.2 GW/year |
| Tier 1 | no | yes |
| Listed |  | NASDAQ: HQCL |
| Website | [https://www.growatt.com](https://www.growatt.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 | Growatt | Q-Cells | Margin |
| --- | --- | --- | --- |
| Panel Models | 1 | 89 | +88 |
| Max Power | 150 W | 675 W | +525 W |
| Avg Power | 150 W | 468 W | +318 W |


## Efficiency


| Measure | Growatt | Q-Cells | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 18.60% | 23.20% | +4.60 pp |
| Avg Efficiency | 18.60% | 21.21% | +2.61 pp |


## Reliability & Warranty


| Measure | Growatt | Q-Cells | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.420%/°C | -0.325%/°C | +0.095 |
| 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 | Growatt | Q-Cells |
| --- | --- | --- |
| \<20% | 1 (100.0%) | 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 | Growatt | Q-Cells |
| --- | --- | --- |
| \<400W | 1 (100.0%) | 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** (100%)

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


| Technology | Growatt | Q-Cells |
| --- | --- | --- |
| PERC | 1 (100.0%) | 38 (42.7%) |
| N-type | 0 | 23 (25.8%) |
| Unknown | 0 | 20 (22.5%) |
| TOPCon | 0 | 8 (9.0%) |


## Top panels, Growatt


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [TS-EFS150M](https://comparepv.com/panel/growatt-ts-efs150m) | 150 | 18.6 | -0.420 | 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

Growatt is a Chinese manufacturer headquartered in Shenzhen, founded in 2010, and is best known globally as the world's leading residential solar inverter supplier - a position confirmed by Wood Mackenzie data for multiple years through 2024. The company has expanded its portfolio to include solar panels and battery storage, serving customers in more than 180 countries, but its primary identity remains that of a power-electronics firm rather than a module manufacturer. Hanwha Q CELLS traces its roots to a German cell-technology pioneer acquired by South Korea's Hanwha Group; it holds confirmed BloombergNEF Tier 1 bankability status and operates the largest solar manufacturing footprint in the Western Hemisphere, with facilities in Dalton and Cartersville, Georgia, reaching a combined module output of roughly 8.4 GW per year in the US alone. On institutional footprint, Q CELLS carries a clear advantage as a dedicated, bankable panel manufacturer with a traceable supply chain.

As a panel maker, Growatt targets the value-oriented residential and small commercial segment, offering modules that pair conveniently with its own inverter ecosystem. Independent reviews consistently position Growatt panels as a budget-friendly choice rather than a performance leader; specific efficiency or technology-generation claims in marketing should be verified against independent test data before purchase. Q CELLS, by contrast, has built its residential and light-commercial reputation around its proprietary Q.ANTUM NEO cell platform, a TOPCon-based technology confirmed by the company and industry press, with panel efficiencies reaching above 22.5 percent in its Q.TRON G2 line. SolarReviews ranked Q CELLS third among all panel brands for 2025, citing competitive pricing relative to premium peers, a 25-year product warranty, and strong domestic US availability.

For most buyers in 2025 choosing a standalone solar panel - especially for a residential rooftop in the US or Europe - Q CELLS is the stronger default: it offers confirmed Tier 1 bankability, verified high-efficiency TOPCon modules, and robust warranty support. Growatt panels make more sense when a buyer is already committed to Growatt inverters and wants a tightly integrated system from a single vendor at lower upfront cost.

\---LINKS---

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

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

\- https://www.energysage.com/supplier/24759/growatt/ \| Growatt profile and reviews - EnergySage \| review

\- https://taiyangnews.info/technology/qcells-to-invest-big-in-tandem-solar \| Q Cells to invest big in tandem solar - TaiyangNews \| article

\- 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

Sources:

\- \[Expert Review Of Qcells Solar Panels For 2025 - SolarReviews\](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)

\- \[Growatt Profile & Reviews - EnergySage\](https://www.energysage.com/supplier/24759/growatt/)

\- \[Q Cells To Invest Big In Tandem Solar - TaiyangNews\](https://taiyangnews.info/technology/qcells-to-invest-big-in-tandem-solar)

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

Written by claude-sonnet from the figures above.


## Other comparisons

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


---

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

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