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Solar-Fabrik Brand review

Mono S4 Halfcut Trend White 460W

460 Wp TOPCon Bifacial 80%
ComparePV verdict

Efficiency leader, weak in heat

Rank 4,310 of 14,005
Compare panels Datasheet PDF
Power (Wp)
460
Typical for its class
Efficiency (%)
23.02
Strong · top 17%
Density (Wp/m²)
230.2
Strong · top 20%
Temp (%/°C)
-0.310
Weak · bottom 6%
Weight (kg)
24.9
Typical · median 24.0 kg
Warranty (yrs)
30
Typical · median 30 yrs

The Mono S4 Halfcut Trend White series features bifacial photovoltaic modules that combine advanced N-Type TOPCon cell technology with an attractive, bright design. White grid lines on the cells give the panels an aesthetic appearance that perfectly complements the architecture of modern residential and commercial buildings - especially where the appearance of the entire installation is important to the property owner. Thanks to the use of half-cut cell technology, the modules minimize losses due to partial shading and reduce internal resistance, which directly translates into more stable and efficient operation of the entire system. Glass-glass construction provides exceptional mechanical strength and resistance to degradation, significantly extending the lifespan of the panels compared to solutions based on backsheet film. Bifacial cells absorb both direct and reflected light from the ground, effectively increasing the annual energy yield of the installation. Tempered, anti-reflective glass on both sides protects against salt corrosion, ammonia, and extreme weather conditions, and its resistance to hail Class 4 makes this panel ready for the variable Polish climate. 30-year product and linear warranty confirms the manufacturer's confidence in the long-term durability of this series.

Ranking

1,089 panels in the segment TOPCon 450-500 W
Metric This panel Median Position in segment Overall rank
Module efficiency 23.02% 22.52% Strong · top 17% 1,797
Power density 230.2 225.2 Strong · top 20% 1,876
Temperature coefficient -0.310 -0.290 Weak · bottom 6% 8,005
Weight per kWp 54.1 52.2 Typical 8,347
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

2 positive · 1 caution
Best for

Residential, commercial and shaded-installations.

Not ideal for

Hot climates.

Strengths
23.02% module efficiency

Top 17% of the TOPCon 450-500 W segment, against a median of 22.52%.

230.2 watts per square metre

Top 20% of the TOPCon 450-500 W segment, against a median of 225.2.

Watch-outs
-0.310 %/°C temperature coefficient

Bottom 6% of the TOPCon 450-500 W segment, against a median of -0.290. Ranked 8,005th in the whole database.

Notes from the database
  • Efficiency of 23.0% matches the TOPCon 450-500W median
  • Power density of 230.2 W/m² packs 5.0 W/m² more into the same footprint vs TOPCon 450-500W median (225.2 W/m²)
  • At -0.31%/°C, loses 0.02pp more power per degree than TOPCon 450-500W median (-0.29%/°C)
  • Bifacial design (80% factor) captures reflected light - adds 4-12% yield on ground-mount or white roof
  • #1797 for efficiency, #8005 for temperature performance out of 14005 panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 460 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 23.02 % Strong Segment median 22.52%
Vmpp · Impp 30.51 V · 15.08 A Operating point at max power
Voc · Isc 36.46 V · 15.80 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1762×1134×30 mm · 2.00 m² of roof
Weight 24.9 kg Typical Typical · median 24.0 kg
Cells 96 · TOPCon Monocrystalline
Bifaciality 80 % Rear output as a share of front
Coefficient Pmax -0.310 %/°C Weak bottom 6% of its segment
Coefficient Voc · Isc -0.260 · 0.046 %/°C
NOCT 42 °C At 800 W/m², 20 °C ambient
Product warranty 30 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs

Simulations

Live - change any input
Lifetime output & value
30 years at 1200 kWh/kWp/year and €0.50 per kWh
Power in year 30
-
Lifetime energy
-
Energy value
-
With bifacial gain
-

Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.

Heat losses
-0.310 %/°C against a segment median of -0.290
-
Bifacial gain
Rear gain over light concrete: -
-

Model: bifaciality × albedo × 0.6 view factor. A first-order estimate, not a yield simulation.

Filter these
Size
Panel Power Eff. Temp. Weight Difference
Solar-Fabrik Mono S4 Halfcut Trend White 460W 460 W 23.02% -0.310 24.9 kg You are here
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +50 W, cooler, +2.0 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg Cooler, lighter, +1.8 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +45 W, cooler, +1.7 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg Cooler, lighter, +1.5 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg +40 W, cooler, +1.5 pp
CIPRO-TN9C54M-500W 500 W 24.50% -0.260 21.4 kg +40 W, cooler, +1.5 pp
Mono S4 HC V 400 BF-DG 400 W 20.02% -0.290 24.0 kg -60 W, cooler, -3.0 pp
Mono S4 Halfcut Chroma Orange 420W 420 W 21.02% -0.290 24.0 kg -40 W, cooler, -2.0 pp
Mono S4 Halfcut Trend Full Black 445 W 445 W 22.30% -0.290 24.9 kg -15 W, cooler, -0.7 pp
Mono S4 Halfcut Trend Full Black 450 W 450 W 22.50% -0.290 24.9 kg -10 W, cooler, -0.5 pp
Mono S4 Halfcut Trend White 455W 455 W 22.80% -0.310 24.9 kg -0.2 pp

Found 1395 panels of the same or similar size to this one, within ±10 mm. See them here Found 1425 panels of the same or similar size to this one, within ±25 mm. See them here Found 3614 panels of the same or similar size to this one, within ±50 mm. See them here Found 3962 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
Why do Solar-Fabrik Mono S4 Halfcut Trend White panels feature white busbars, and does it affect their efficiency?
The white busbar lines on the cells are primarily an aesthetic choice — the module looks brighter and blends seamlessly into light-colored roofs or facades. This design detail has no negative impact on performance: the TOPCon cell technology and half-cut architecture still deliver up to 455 W peak power. It is an ideal option wherever the visual appearance of the PV installation matters to the property owner.
How does the TOPCon cell technology in the Mono S4 Trend White series compare to older PERC cells?
TOPCon (Tunnel Oxide Passivated Contact) is an N-Type cell architecture with enhanced surface passivation. Compared to PERC, it offers higher module efficiency, a lower temperature coefficient (power output drops more slowly in heat), and better low-light performance. In practice, this results in higher annual energy yields, which is especially beneficial in Poland's variable climate with frequent overcast conditions.
How much additional energy do I actually gain from the bifacial design of the Solar-Fabrik Mono S4 Trend White?
In typical roof installations, the bifacial gain ranges from 5–15% in additional annual yield, depending on surface albedo. Light-colored membranes, gravel, or white cladding beneath the panels produce higher gains; dark roofing materials produce lower ones. The module captures both direct sunlight and light reflected off the surface below. The effect is most pronounced in ground-mounted systems or flat-roof installations with a light-colored substrate.
What warranty comes with the Solar-Fabrik Mono S4 Halfcut Trend White panels, and what does it cover?
The Mono S4 Halfcut Trend White series comes with a 30-year product warranty covering manufacturing defects and material faults, as well as a 30-year linear power output warranty. This guarantees that the module will maintain a defined minimum power level for three decades. It is one of the longest warranties currently available on the market, reflecting Solar-Fabrik's confidence in the long-term durability of the glass-glass TOPCon design.
Do the Solar-Fabrik Mono S4 Trend White panels perform well in winter and low-light conditions?
Yes. N-Type TOPCon cells have a low temperature coefficient, meaning they operate more efficiently on cold, bright winter days compared to PERC-based modules. The glass-glass construction is rated for heavy snow loads and extreme frost, and the hail resistance class 4 certification makes this panel a reliable choice for Central European climate conditions throughout the entire year.
Is the glass-glass construction of the Solar-Fabrik Mono S4 Trend White resistant to corrosion and harsh weather?
Yes. The dual-glass structure with anti-reflective tempered glass on both sides eliminates the risk of backsheet delamination and is certified resistant to salt mist corrosion, ammonia exposure (relevant for agricultural installations), and extreme temperature cycling. The panel holds a hail resistance class 4 rating, equivalent to 35 mm ice balls impacting at approximately 83 km/h, making it well-suited for demanding outdoor environments.
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