--- title: "Q-Cells Q.TRON M-G3R.12+ / BFG 500 Solar Panel: Specs & Datasheet | ComparePV" description: "Q-Cells Q.TRON M-G3R.12+ / BFG 500 solar panel. Specs: 22.50% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/q-cells-q-tron-m-g3r-12-bfg-500" image: "https://comparepv.com/og/panel/q-cells-q-tron-m-g3r-12-bfg-500.png" updated: 2026-09-11 --- # Q-Cells Q.TRON M-G3R.12+ / BFG 500 Strong in heat, no clear weak spot 435 panels in the segment TOPCon 500-550 W ## Identity - **Manufacturer:** Q-Cells - **Model:** Q.TRON M-G3R.12+ / BFG 500 - **Series:** Q.TRON CLASSIC - **Rated power:** 500 W - **Cell technology:** TOPCon - **Bifacial:** yes ## How it compares Compared against segment TOPCon 500-550 W (435 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 500 W | 510 W | Weak - bottom 10% | | | Module efficiency | 22.50% | 22.74% | Typical | 4,281 | | Power density | 224.8 | 227.4 | Typical | 4,528 | | Temperature coefficient | -0.280 | -0.290 | Strong - top 10% | 1,347 | | Weight (kg) | 27.0 kg | 27.0 kg | Typical | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 22.50% | 22.74% | Typical | 4,281 | | Power density | 224.8 | 227.4 | Typical | 4,528 | | Temperature coefficient | -0.280 | -0.290 | Strong - top 10% | 1,347 | | Weight per kWp | 54.0 | 52.4 | Typical | 8,262 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Strengths - **-0.280 %/°C temperature coefficient** - Top 10% of the TOPCon 500-550 W segment, against a median of -0.290. Ranked 1,347th in the whole database. - **Best for:** Residential, commercial, cold-climate and hot-climate. ## Specification ### Electrical - **Rated power (Pmax):** 500 W - **Efficiency:** 22.50 % - **Voltage at Pmax (Vmp):** 33.70 V - **Current at Pmax (Imp):** 14.84 A - **Open-circuit voltage (Voc):** 40.06 V - **Short-circuit current (Isc):** 15.89 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.280 %/degC - **Temperature coefficient of Voc:** -0.240 %/degC - **Temperature coefficient of Isc:** 0.040 %/degC - **NOCT:** 45 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** TOPCon - **Cell count:** 108 - **Bifacial:** yes ### Physical - **Length:** 1961 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 27.0 kg - **Area:** 2.22 m2 - **Power density:** 224.8 Wp/m2 ### Warranty and degradation - **Product warranty:** 25 years - **Performance warranty:** 30 years ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 4281 of 14129 | | Power density | 4528 of 14129 | | Temperature coefficient | 1347 of 14129 | | Weight | 8262 of 14129 | | Warranty | 21 of 14129 | ## Pros - **High efficiency up to 23.2%** - Thanks to Q.ANTUM NEO technology based on N-type TOPCon cells, the series reaches up to 23.2% efficiency, placing it at the top of the segment - above Canadian Solar TOPBiHiKu6 (22.8%) and on par with Sunpro Power TOPCon 210R (23.17%) and Huasun Aurora Pro (23.17%) at the same maximum power of 515 Wp. - **Very slow power degradation** - The power warranty guarantees a minimum of 98.5% in the first year and a maximum degradation of 0.33% per year, yielding a guaranteed 88.93% of nominal power after 30 years - notably above the typical ~84.8% offered by manufacturers with 25-year warranties. - **Enhanced mechanical durability** - High-grade aluminum alloy frames are certified for snow loads up to 8100 Pa and wind loads up to 3600 Pa, exceeding typical industry values (usually 5400 Pa/2400 Pa) and making the module well-suited to demanding climate conditions in Poland. - **Reputable Tier-1 manufacturer** - Q-Cells (Hanwha, South Korea, operating since 1999) is a Tier-1 manufacturer with a long bankability track record, lowering project financing risk and increasing warranty-fulfillment confidence compared to less established peer brands (e.g., Sunpro Power, Huasun). - **Dual 25/30-year warranty** - The manufacturer offers a 25-year product warranty and a 30-year linear power warranty, a premium-segment standard for TOPCon technology, exceeding the typical 12-15 year product warranties offered by budget brands. ## Cons - **Lower efficiency on the weakest variant** - The 495 Wp variant reaches only 22.3% efficiency, clearly below the series' stated maximum (23.2%) and below comparable Sunpro Power and Huasun models, which maintain ~23.17% efficiency across the full 495-515 Wp power range - choosing the lower-power variant means giving up part of the series' technological edge. ## About this series Q-Cells Q.TRON CLASSIC panels bring a new level of quality to PV installations thanks to the use of pioneering **Q.ANTUM NEO** technology, based on N-type cells. This solution effectively eliminates the phenomenon of light-induced degradation, which translates into noticeably higher efficiency throughout the entire system life cycle. This series stands out for its **excellent efficiency in low sunlight**, which is a key advantage in the Polish climate, ensuring stable energy yields even on cloudy days. The intelligent cell design allows for optimal use of limited roof space, offering investors the **highest power density** in its product class. Q.TRON CLASSIC is the choice for those seeking a balance between innovation and durability - the modules are characterized by **increased mechanical resistance** to extreme weather phenomena, such as strong wind or snow loads. Unlike standard solutions, this product guarantees a significantly slower decline in usable power over the years, which effectively shortens the payback period. It is an ideal proposition for demanding residential users and companies for whom the priority is **long-term parameter stability** and maximizing profits from every installed square meter of surface area. ## Notable figures - Efficiency of 22.5% matches the \*\*TOPCon 500-550W\*\* median - Power density of 224.8 W/m² matches the \*\*TOPCon 500-550W\*\* median - Temperature coefficient of -0.28%/°C matches the \*\*TOPCon 500-550W\*\* median - Bifacial design (80% factor) captures reflected light - adds 4-12% yield on ground-mount or white roof - #4281 for efficiency, #1347 for temperature performance out of 14129 panels ## Questions ### How does Q.ANTUM NEO technology in the Q-Cells Q.TRON CLASSIC differ from standard PERC cells? Q.ANTUM NEO uses N-type TOPCon cells, which are immune to Light-Induced Degradation (LID) - a well-documented weakness of P-type PERC modules. In practice, Q.TRON CLASSIC panels degrade more slowly across the entire service life, maintaining higher efficiency throughout the full 30-year power warranty. For a homeowner, this translates into more kilowatt-hours from the same roof area every year compared to previous-generation PERC modules. ### Will Q-Cells Q.TRON CLASSIC panels perform reliably during cloudy winters in Central Europe? Yes. The Q.TRON CLASSIC series is optimized for low-irradiance conditions - a critical factor in Central European climates where winter irradiance frequently drops below 200 W/m² and is predominantly diffuse. N-type TOPCon cells feature a lower temperature coefficient and better spectral response to diffuse light than standard PERC modules, delivering meaningfully higher energy yields from October through March. ### What warranty coverage comes with the Q-Cells Q.TRON CLASSIC panels? Q-Cells provides a 25-year product warranty covering manufacturing defects and material failures, plus a 30-year linear power warranty - among the longest performance guarantees in the residential solar segment. Hanwha Q Cells, a Tier 1 manufacturer headquartered in South Korea, backs all warranty claims globally. The linear power warranty guarantees a defined minimum output at every point across three decades of operation. ### What does bifacial mean for the Q.TRON CLASSIC, and is it worth choosing over a monofacial module? Bifacial means the panel generates electricity from both its front and rear surfaces. The rear side captures light reflected from the ground - white gravel, snow, or a light-colored roofing membrane - boosting real-world energy yield by several percentage points without requiring additional roof space. On a 515 Wp Q.TRON CLASSIC module, the bifacial gain is especially valuable on ground-mounted systems and flat roofs with reflective surfaces where the rear irradiance angle is favorable. ### How do Q-Cells Q.TRON CLASSIC panels handle heavy snow loads and high wind pressure? Q.TRON CLASSIC modules are built with enhanced mechanical resistance as a core design feature of the series. They are certified to withstand mechanical loads consistent with extreme Central European weather conditions, including high wind pressure and heavy snow accumulation. The 25-year product warranty remains fully valid provided installation follows the manufacturer's mounting guidelines - meaning a qualified installer must use approved racking hardware. ### How much power will Q-Cells Q.TRON CLASSIC panels lose after 10 and 25 years of use? Thanks to N-type TOPCon Q.ANTUM NEO technology, power degradation is significantly lower than in PERC modules. The Q.TRON series typically shows first-year degradation below 1% and subsequent annual linear degradation of approximately 0.40-0.45%. The 30-year power warranty guarantees at least approximately 85% of rated output - on a 515 Wp panel that means over 437 Wp of guaranteed power after three decades, which meaningfully shortens the investment payback period. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/Qcells_Data_sheet_QTRON_M-G3R12-BFG_495-515_2025-03_Rev01_EN-46279ccef8d8.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | Cooler, lighter, +2.5 pp | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | Cooler, lighter, +2.3 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | Cooler, lighter, +2.2 pp | | [WINAICO WST-505BKX54-A2](https://comparepv.com/panel/winaico-wst-505bkx54-a2) | 505 W | Cooler, lighter, +2.2 pp | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | Cooler, lighter, +2.0 pp | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | Cooler, lighter, +2.0 pp | | [Talesun CIPRO-TN9C54M-500W](https://comparepv.com/panel/talesun-cipro-tn9c54m-500w) | 500 W | Cooler, lighter, +2.0 pp | | [Q-Cells Q.TRON M-G3R.12+ / BFG 495](https://comparepv.com/panel/q-cells-q-tron-m-g3r-12-bfg-495) | 495 W | Very close match | | [Q-Cells Q.TRON M-G3R.12+ / BFG 505](https://comparepv.com/panel/q-cells-q-tron-m-g3r-12-bfg-505) | 505 W | Very close match | | [Q-Cells Q.TRON M-G3R.12+ / BFG 510](https://comparepv.com/panel/q-cells-q-tron-m-g3r-12-bfg-510) | 510 W | +10 W, +0.4 pp | | [Q-Cells Q.TRON M-G3R.12+ / BFG 515](https://comparepv.com/panel/q-cells-q-tron-m-g3r-12-bfg-515) | 515 W | +15 W, +0.7 pp | | [Longi Solar LR7-60HVH-560M](https://comparepv.com/panel/longi-lr7-60hvh-560m) | 560 W | +60 W, cooler, +2.3 pp | | [Longi Solar LR7-60HVH-555M](https://comparepv.com/panel/longi-lr7-60hvh-555m) | 555 W | +55 W, cooler, +2.1 pp | | [Longi Solar LR7-60HVHL-550M](https://comparepv.com/panel/longi-lr7-60hvhl-550m) | 550 W | +50 W, lighter, +1.9 pp | | [JA Solar JAT60S40-540/LR](https://comparepv.com/panel/ja-solar-jat60s40-540-lr) | 540 W | +40 W, lighter, +1.9 pp | | [Gokin GK-5-60HG-540M](https://comparepv.com/panel/gokin-gk-5-60hg-540m) | 540 W | +40 W, lighter, +1.9 pp | --- Source: https://comparepv.com/panel/q-cells-q-tron-m-g3r-12-bfg-500 Not in this file, on the page: the I-V and temperature curves lifted from the manufacturer's datasheet, a thirty-year output simulator, a bifacial gain calculator and alternatives filtered by how closely they match these dimensions.