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Solar-Fabrik Brand review

S4-DG460-96TMax (White)

460 Wp TOPCon Bifacial
ComparePV verdict

Efficiency leader, no clear weak spot

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)
-0.290
Typical · median -0.290
Weight (kg)
24.9
Typical · median 24.0 kg
Warranty (yrs)
30
Typical · median 30 yrs

The Mono S4 Halfcut Trend Series is a German-made solar panel line that pairs a clean aesthetic with strong resistance to harsh weather, available in Full Black and White finishes. At its core are bifacial N-Type TOPCon half-cut cells, which split each cell into smaller segments to reduce resistive losses and improve performance under low light and partial shading, while the rear side captures additional energy reflected from the ground. The glass-glass construction increases laminate rigidity and long-term durability, lowering the risk of microcracks and degradation over the years. The panel stands out with its HW4 hail resistance rating, withstanding ice balls up to 40 mm in diameter at speeds close to 30 m/s, as well as the highest fire safety class A, making it a safe choice for both residential roofs and commercial installations in regions exposed to extreme weather. The manufacturer backs the module with a 30-year product warranty and linear power warranty, translating into lower investment risk and predictable returns. It's a solid option for buyers who want German build quality, a clean look without visible cell-connecting ribbons, and stable performance throughout the lifetime of a PV installation.

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 -0.290 -0.290 Typical 2,165
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 · 0 caution
Best for

Residential, commercial and shaded-installations.

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.

Notes from the database
  • At 23.0% efficiency, this panel is on par with typical TOPCon 450-500W modules
  • 230.2 W/m² power density - 5.0 W/m² more than TOPCon 450-500W median (225.2 W/m²), more power per roof area
  • Temperature coefficient of -0.29%/°C matches the TOPCon 450-500W median
  • In the top 13% for efficiency among all TOPCon 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
Coefficient Pmax -0.290 %/°C Typical median -0.290 of its segment
Coefficient Voc · Isc -0.250 · 0.045 %/°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
End-of-warranty output 87.4 % Equals 402 W guaranteed

Datasheet charts

Open datasheet PDF

Measured curves published by Solar-Fabrik in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 460 Wp appear here. The rest cover the whole series.

Linear Power Warranty Linear Power Warranty Whole series

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
-

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

Heat losses
-0.290 %/°C against a segment median of -0.290
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Solar-Fabrik S4-DG460-96TMax (White) 460 W 23.02% -0.290 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 +35 W, 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 +30 W, 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, lighter, +1.5 pp
Mono S4 HC V 400 BF-DG 400 W 20.02% -0.290 24.0 kg -60 W, -3.0 pp
Mono S4 Halfcut Chroma Orange 420W 420 W 21.02% -0.290 24.0 kg -40 W, -2.0 pp
Mono S4 Halfcut Trend Full Black 445 W 445 W 22.30% -0.290 24.9 kg -15 W, -0.7 pp
Mono S4 Halfcut Trend Full Black 450 W 450 W 22.50% -0.290 24.9 kg -10 W, -0.5 pp
Mono S4 Halfcut Trend White 455W 455 W 22.80% -0.310 24.9 kg Hotter, -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
How does the Solar-Fabrik Mono S4 Halfcut Trend series differ from standard monocrystalline panels?
The key difference is the use of bifacial N-Type TOPCon cells in half-cut configuration instead of typical PERC cells. Splitting the cells into smaller segments reduces current losses and improves performance under low irradiance or partial shading. Additionally, the rear side of the cells captures light reflected from the ground, delivering higher energy yield than classic, monofacial modules.
Are Mono S4 Halfcut Trend panels suitable for roofs exposed to hail?
Yes, the module carries an HW4 hail resistance rating, meaning it withstands ice ball impacts up to 40 mm in diameter at speeds close to 30 m/s. Combined with the glass-glass construction, which stiffens the laminate and reduces the risk of microcracks, the panel is a solid choice for regions prone to extreme weather events.
What warranty comes with Solar-Fabrik Mono S4 Halfcut Trend panels?
The manufacturer provides a 30-year product warranty and a 30-year linear power warranty. This covers not only manufacturing defects but also a guaranteed, predictable performance degradation curve over time, resulting in lower investment risk and stable returns from the PV installation over three decades of operation.
What is the maximum power output of a panel from the Mono S4 Halfcut Trend series?
The panel reaches a maximum power output of up to 460 Wp. Thanks to bifacial TOPCon cells, the actual energy yield can exceed the nameplate Wp value, since the rear side of the module also generates current from light reflected off the roof or ground beneath the installation.
Does bifacial technology in the Mono S4 Halfcut Trend make sense on a pitched roof?
The bifacial effect is strongest on ground-mounted systems or flat roofs with adequate clearance, where the rear side can capture light reflected from a bright surface. On a typical pitched roof, mounted close to the surface, the rear-side energy gain will be smaller, though the panel still benefits from half-cut technology, which improves performance under partial shading.
Are Solar-Fabrik Mono S4 Halfcut Trend panels safe for fire protection on residential roofs?
Yes, the module holds the highest fire protection class A, an important requirement for installations on residential buildings and commercial properties. Combined with German manufacturing quality and glass-glass construction, the panel meets the strict safety standards applied across the European market.
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