--- title: "Silfab SIL-410-BG 410W Solar Panel - Specs & Review | ComparePV" description: "Silfab SIL-410-BG 410W solar panel. Specs: 21.40% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/silfab-sil-410-bg" updated: 2026-09-11 --- # Silfab SIL-410-BG Efficiency leader, weak in heat 954 panels in the segment PERC 400-450 W ## Identity - **Manufacturer:** Silfab - **Model:** SIL-410-BG - **Series:** Silfab Elite - **Rated power:** 410 W - **Cell technology:** PERC ## How it compares Compared against segment PERC 400-450 W (954 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 410 W | 410 W | Typical | | | Module efficiency | 21.40% | 20.60% | Strong - top 6% | 8,323 | | Power density | 213.8 | 206.2 | Strong - top 6% | 8,402 | | Temperature coefficient | -0.377 | -0.350 | Weak - bottom 3% | 13,390 | | Weight (kg) | 20.8 kg | 22.0 kg | Typical | | | Performance warranty | 30 yrs | 25 yrs | Strong - top 17% | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 21.40% | 20.60% | Strong - top 6% | 8,323 | | Power density | 213.8 | 206.2 | Strong - top 6% | 8,402 | | Temperature coefficient | -0.377 | -0.350 | Weak - bottom 3% | 13,390 | | Weight per kWp | 50.7 | 53.0 | Typical | 4,132 | | Performance warranty | 30 yrs | 25 yrs | Strong - top 17% | 21 | ### Strengths - **21.40% module efficiency** - Top 6% of the PERC 400-450 W segment, against a median of 20.60%. Ranked 8,323rd in the whole database. - **213.8 watts per square metre** - Top 6% of the PERC 400-450 W segment, against a median of 206.2. Ranked 8,402nd in the whole database. - **30 year performance warranty** - Top 17% of the PERC 400-450 W segment, against a median of 25 yrs. ### Watch out for - **-0.377 %/°C temperature coefficient** - Bottom 3% of the PERC 400-450 W segment, against a median of -0.350. Ranked 13,390th in the whole database. - **Best for:** Residential. - **Not ideal for:** Hot climates. ## Specification ### Electrical - **Rated power (Pmax):** 410 W - **Efficiency:** 21.40 % - **Voltage at Pmax (Vmp):** 38.08 V - **Current at Pmax (Imp):** 10.77 A - **Open-circuit voltage (Voc):** 45.92 V - **Short-circuit current (Isc):** 11.30 A - **Max system voltage:** 1000 V ### Temperature - **Temperature coefficient of Pmax:** -0.377 %/degC - **Temperature coefficient of Voc:** -0.279 %/degC - **Temperature coefficient of Isc:** 0.046 %/degC - **NOCT:** 44 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** PERC - **Cell count:** 66 ### Physical - **Length:** 1864 mm - **Width:** 1029 mm - **Thickness:** 35 mm - **Weight:** 20.8 kg - **Area:** 1.92 m2 - **Power density:** 213.8 Wp/m2 ### Warranty and degradation - **Product warranty:** 25 years - **Performance warranty:** 30 years - **Output guaranteed at end of warranty:** 89.3 % - **First-year degradation:** 2.00 % - **Annual degradation:** 0.31 % - **Output after 30 years:** 365 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 8323 of 14005 | | Power density | 8402 of 14005 | | Temperature coefficient | 13390 of 14005 | | Weight | 4132 of 14005 | | Warranty | 21 of 14005 | ## About this series The Silfab Elite series revolutionizes the approach to the aesthetics and performance of residential installations through the use of innovative **N-type back-contact cell technology**. This solution eliminates traditional busbars from the front of the module, which not only ensures a flawless, deep black appearance, but above all maximizes the light absorption area. As a result, users benefit from higher energy production even in less favorable sunlight, effectively solving the problem of limited roof space. These panels were created for demanding investors for whom **uncompromising All-Black aesthetics** must go hand-in-hand with the highest reliability. The use of a conductive back layer instead of classic soldered connections significantly reduces mechanical stress and the risk of micro-cracks in the silicon structure. Silfab Elite stands out from the competition with its **exceptional resistance to degradation** caused by external factors and stable operation at high temperatures, which translates into real profits throughout the system's life cycle. It is the ideal choice for those seeking premium solutions that combine the highest manufacturing precision with an **above-average product warranty**, ensuring complete peace of mind and a quick return on investment in modern photovoltaics. ## Notable figures - Efficiency of 21.4% is 0.8pp above the \*\*PERC 400-450W\*\* median (20.6%) - 213.8 W/m² power density - 7.6 W/m² more than \*\*PERC 400-450W\*\* median (206.2 W/m²), more power per roof area - At -0.38%/°C, loses 0.03pp more power per degree than \*\*PERC 400-450W\*\* median (-0.35%/°C) - 20.8 kg weight - 1.2 kg lighter than \*\*PERC 400-450W\*\* median (22.0 kg), reducing installation effort - #8323 for efficiency, #13390 for temperature performance out of 14005 panels ## Questions ### What warranty does the Silfab Elite panel come with? The Silfab Elite comes with a 25-year product workmanship warranty and a 30-year linear power output warranty — one of the longest coverage periods available in the residential solar market. The linear performance guarantee ensures a predictable, gradual power decline over three decades, giving homeowners reliable protection for the full lifespan of their system and a clear picture of long-term ROI. ### What is back-contact cell technology in the Silfab Elite and does it actually improve output? In back-contact technology, all electrical connections are moved to the rear of the module, eliminating front-side busbars that normally shade the active cell area and reduce light absorption. The Silfab Elite achieves up to 21.4% efficiency, and Silfab reports up to a 6% increase in energy yield on a kWh/kWp basis compared to conventional PERC modules. The result is measurably more electricity from the same roof footprint. ### Is the Silfab Elite a true all-black panel and what does it look like on a roof? Yes, the Silfab Elite is available in an all-black variant (SIL BK) where the absence of front-side busbars creates a seamless, deep-black appearance across the entire module face. This makes it one of the most visually refined panels in the premium residential segment. It is especially popular with homeowners who want the array to blend into dark roof surfaces rather than stand out with contrasting silver grid lines. ### How does the Silfab Elite perform in cloudy weather or low-light conditions? The Silfab Elite delivers above-average low-light performance, a key advantage of back-contact PERC cell architecture. Eliminating front-side shading from busbars allows the module to capture diffuse radiation more efficiently on overcast days. The panel also maintains better output at elevated temperatures compared to standard PERC modules, reducing thermal losses on hot sunny days and increasing overall annual energy yield. ### Is Silfab a reputable manufacturer and where are the Elite panels made? Silfab Solar is a Tier-1 manufacturer headquartered in Canada and is one of the leading solar brands in the North American market. Silfab Elite panels are manufactured exclusively in North America, which is uncommon among premium brands and relevant for incentive programs requiring domestic content eligibility. The Elite series earned a Top Performer rating from PVEL (Kiwa) in 2024, independently confirming long-term reliability and low degradation. ### How does the Silfab Elite differ from standard PERC modules without back-contact technology? Conventional PERC modules have front-side busbars that shade part of the active cell area and introduce mechanical stress during thermal cycling, increasing the risk of microcracks over time. The Silfab Elite relocates all interconnections to the rear, resulting in higher efficiency (up to 21.4% vs. typical 20-21% for standard PERC), improved resistance to microcracks, a clean aesthetic, and better high-temperature performance across the full 30-year rated lifetime. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/Silfab-SIL-410-BG-Data-Final-4f397413ab1d.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [AIKO AIKO-A460-MAH54Mb](https://comparepv.com/panel/aiko-shenzhen-aiko-digital-energy-technology-co-ltd-aiko-a460-mah54mb-1) | 460 W | +50 W, cooler, +2.2 pp | | [Just Solar JST-EDMH-(445-465)W-TD (460W class)](https://comparepv.com/panel/just-solar-jst-edmh-445-465-w-td-460w-class) | 460 W | +50 W, cooler, +2.2 pp | | [Luxor Solar LX-460M/182R-96+ GG](https://comparepv.com/panel/luxor-lx-460m-182r-96-gg) | 460 W | +50 W, cooler, +2.2 pp | | [Philadelphia Solar PS-MNB108(HCBF)-460W](https://comparepv.com/panel/philadelphia-solar-ps-mnb108-hcbf-460w) | 460 W | +50 W, cooler, +2.1 pp | | [JA Solar JAT54S40-460/LR](https://comparepv.com/panel/ja-solar-jat54s40-460-lr) | 460 W | +50 W, cooler, +2.1 pp | | [Luxor Solar LX-460M/182R188-108+ GG](https://comparepv.com/panel/luxor-solar-lx-460m-182r188-108-gg) | 460 W | +50 W, cooler, +2.0 pp | | [AIKO AIKO-455-MAH54Db](https://comparepv.com/panel/aiko-aiko-455-mah54db) | 455 W | +45 W, cooler, +1.9 pp | | [Longi Solar LR5-54HTH-455M](https://comparepv.com/panel/longi-lr5-54hth-455m) | 455 W | Cooler, +1.9 pp, -5 yr warranty | | [Silfab SIL-420-BG](https://comparepv.com/panel/silfab-sil-420-bg) | 420 W | +10 W, +0.5 pp | | [Maxeon SPR-MAX7-475](https://comparepv.com/panel/maxeon-spr-max7-475) | 475 W | Cooler, +2.6 pp, +10 yr warranty | | [Maxeon SPR-MAX7-470](https://comparepv.com/panel/maxeon-spr-max7-470) | 470 W | Cooler, +2.3 pp, +10 yr warranty | | [Maxeon SPR-MAX7-465](https://comparepv.com/panel/maxeon-spr-max7-465) | 465 W | Cooler, +2.1 pp, +10 yr warranty | | [Maxeon SPR-MAX6-440](https://comparepv.com/panel/maxeon-spr-max6-440) | 440 W | Cooler, +1.4 pp, +10 yr warranty | | [Maxeon SPR-MAX3-430-R](https://comparepv.com/panel/maxeon-spr-max3-430-r) | 430 W | Cooler, +1.3 pp, +10 yr warranty | | [Maxeon SPR-MAX6-435](https://comparepv.com/panel/maxeon-spr-max6-435) | 435 W | Cooler, +1.1 pp, +10 yr warranty | | [Maxeon SPR-MAX3-425-R](https://comparepv.com/panel/maxeon-spr-max3-425-r) | 425 W | Cooler, +1.0 pp, +10 yr warranty | --- Source: https://comparepv.com/panel/silfab-sil-410-bg Not in this file, on the page: a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.