--- title: "Q-Cells vs SunLink - Brand Comparison | ComparePV" description: "Compare Q-Cells vs SunLink solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background." source: "https://comparepv.com/q-cells-vs-sunlink" --- # Q-Cells vs SunLink Q-Cells has the broader catalog (89 vs 67 models). Q-Cells leads on peak efficiency at 23.20%. Q-Cells leans bifacial (39% of lineup). ## The two companies | Attribute | Q-Cells | SunLink | | --- | --- | --- | | Country | South Korea | | | Headquarters | Seoul | | | Founded | 1999 | | | Employees | 2000+ | | | Annual capacity | 11.2 GW/year | | | Tier 1 | yes | no | | Listed | NASDAQ: HQCL | | | Website | [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 | Q-Cells | SunLink | Margin | | --- | --- | --- | --- | | Panel Models | 89 | 67 | +22 | | Max Power | 675 W | 700 W | +25 W | | Avg Power | 468 W | 398 W | +70 W | ## Efficiency | Measure | Q-Cells | SunLink | Margin | | --- | --- | --- | --- | | Max Efficiency | 23.20% | 22.80% | +0.40 pp | | Avg Efficiency | 21.21% | 19.94% | +1.28 pp | ## Reliability & Warranty | Measure | Q-Cells | SunLink | Margin | | --- | --- | --- | --- | | Avg Temp Coefficient | -0.325%/°C | -0.340%/°C | +0.015 | | Bifacial Share | 35 (39%) | 18 (27%) | +12 pp | | Avg Warranty | 27.0 yrs | 26.8 yrs | +0.2 yr | ## Efficiency distribution Q-Cells skews to higher efficiency: 2% of lineup is 23%+ | Efficiency band | Q-Cells | SunLink | | --- | --- | --- | | \<20% | 7 (7.9%) | 35 (52.2%) | | 20-21% | 29 (32.6%) | 9 (13.4%) | | 21-22% | 30 (33.7%) | 10 (14.9%) | | 22-23% | 21 (23.6%) | 13 (19.4%) | | 23%+ | 2 (2.2%) | 0 | ## Power distribution Q-Cells offers more 600W+ panels (19% of lineup) | Power band | Q-Cells | SunLink | | --- | --- | --- | | \<400W | 20 (22.5%) | 36 (53.7%) | | 400-499W | 41 (46.1%) | 23 (34.3%) | | 500-599W | 11 (12.4%) | 4 (6.0%) | | 600-699W | 17 (19.1%) | 3 (4.5%) | | 700W+ | 0 | 1 (1.5%) | ## Cell technology Dominant cell tech: **PERC** (43%) Dominant cell tech: **PERC** (63%) | Technology | Q-Cells | SunLink | | --- | --- | --- | | PERC | 38 (42.7%) | 42 (62.7%) | | N-type | 23 (25.8%) | 0 | | Unknown | 20 (22.5%) | 5 (7.5%) | | TOPCon | 8 (9.0%) | 18 (26.9%) | | HJT | 0 | 2 (3.0%) | ## 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 | ## Top panels, SunLink | # | Model | Power | Efficiency | Temp. coefficient | Technology | | --- | --- | --- | --- | --- | --- | | 1 | [SL6N132D-700W](https://comparepv.com/panel/sunlink-sl6n132d-700w) | 700 | 22.5 | -0.240 | Monocrystalline | | 2 | [SL6N132D-695W](https://comparepv.com/panel/sunlink-sl6n132d-695w) | 695 | 22.4 | -0.240 | Monocrystalline | | 3 | [SL5N144D-610W](https://comparepv.com/panel/sunlink-sl5n144d-610w) | 610 | 22.6 | -0.300 | Monocrystalline | | 4 | [SL5N144D-605W](https://comparepv.com/panel/sunlink-sl5n144d-605w) | 605 | 22.4 | -0.300 | Monocrystalline | | 5 | [SL5M144-550](https://comparepv.com/panel/sunlink-sl5m144-550) | 550 | 21.3 | -0.350 | Monocrystalline | | 6 | [SL5M144-545](https://comparepv.com/panel/sunlink-sl5m144-545) | 545 | 21.1 | -0.350 | Monocrystalline | | 7 | [SL5M144-540](https://comparepv.com/panel/sunlink-sl5m144-540) | 540 | 20.9 | -0.350 | Monocrystalline | | 8 | [SL5M144-535](https://comparepv.com/panel/sunlink-sl5m144-535) | 535 | 20.7 | -0.350 | Monocrystalline | | 9 | [SL5N108D-455W](https://comparepv.com/panel/sunlink-sl5n108d-455w) | 455 | 22.8 | -0.300 | Monocrystalline | | 10 | [SL5N108D-450W](https://comparepv.com/panel/sunlink-sl5n108d-450w) | 450 | 22.5 | -0.300 | Monocrystalline | ## Summary Q-Cells, now operating as Hanwha Q CELLS, traces its roots to Germany, where the brand was founded in 1999 before being acquired by South Korea's Hanwha Group in 2012. The company holds BloombergNEF Tier 1 bankability status and operates one of the largest solar manufacturing footprints outside China, including a facility in Cartersville, Georgia rated at 3.3 GW of annual module production, with global cell capacity reported at over 12 GW. SunLink PV is a Chinese manufacturer established in 2004 and headquartered in Zhangjiagang, China. It also carries BloombergNEF Tier 1 status as of Q1 2025 and has accumulated more than 10 GW of installed capacity across over 60 countries, with a notable ramp in annual shipments reported for 2024. Between the two, Q-Cells carries a stronger institutional footprint, backed by a major industrial conglomerate and a domestic U.S. manufacturing presence that provides supply chain and trade-policy advantages. Q-Cells has historically led with PERC cell technology and is actively developing TOPCon and perovskite-silicon tandem lines, with a record tandem cell efficiency of 28.6% independently verified in late 2024. Its residential lineup is consistently recognized for tight temperature coefficients - a meaningful advantage in hot climates - and the brand ranks highly among independent reviewers for balancing efficiency, warranty terms, and price, with hardware warranties reaching 25 years. SunLink PV competes with both PERC and N-type TOPCon modules, with its flagship TOPCon line reaching conversion efficiencies comparable to Q-Cells at around 22.45%. The brand is positioned primarily for cost-sensitive commercial and utility-scale projects in markets where Chinese supply chains are readily accessible and tariff exposure is lower. For most buyers in 2025, Q-Cells is the lower-risk default: its U.S. manufacturing base reduces tariff exposure, its warranty track record is well documented across independent platforms, and institutional lenders are more likely to accept it without additional due diligence. SunLink PV is a credible alternative for projects where price sensitivity is the overriding factor and local supply chains favor Chinese-origin equipment. \---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.ecowatch.com/solar/reviews/qcells-solar-panels \| QCells Solar Panels Review 2025 - cost, efficiency and performance - EcoWatch \| review \- https://www.solarquotes.com.au/panels/sunlink-review.html \| SunLink Solar Panels Review - SolarQuotes Australia \| review \- https://energypal.com/best-solar-panels-for-homes/sunlink-pv-technology \| SunLink PV Technology - Best Solar Panels for Homes 2025 - EnergyPal \| review Sources: \- \[Expert Review Of Qcells Solar Panels For 2025\](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) \- \[SunLink Solar Panels Review - SolarQuotes\](https://www.solarquotes.com.au/panels/sunlink-review.html) \- \[SunLink PV Technology - EnergyPal Buyer's Guide\](https://energypal.com/best-solar-panels-for-homes/sunlink-pv-technology) \- \[Hanwha Qcells Cartersville Factory - 3.3 GW\](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 - [Q-Cells vs A.B. Energy](https://comparepv.com/q-cells-vs-a-b-energy) - [AE Solar vs SunLink](https://comparepv.com/ae-solar-vs-sunlink) - [Q-Cells vs AEET](https://comparepv.com/q-cells-vs-aeet) - [AIKO vs SunLink](https://comparepv.com/aiko-vs-sunlink) - [Q-Cells vs AKCOME](https://comparepv.com/q-cells-vs-akcome) - [ARTsolar vs SunLink](https://comparepv.com/artsolar-vs-sunlink) --- Source: https://comparepv.com/q-cells-vs-sunlink Not in this file, on the page: the distributions above drawn as charts.