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Solar-Fabrik Brand review

Mono S4 Halfcut Trend Full Black 445 W

445 Wp TOPCon Bifacial 80%
ComparePV verdict

Efficiency leader, heavy for its output

Rank 5,595 of 14,005
Compare panels Datasheet PDF
Power (Wp)
445
Strong · top 8%
Efficiency (%)
22.30
Strong · top 17%
Density (Wp/m²)
222.7
Typical · median 220.2
Temp (%/°C)
-0.290
Typical · median -0.290
Weight (kg)
24.9
Weak · 2.9 kg above median
Warranty (yrs)
30
Typical · median 30 yrs

The Mono S4 Halfcut Trend Full Black series is Solar-Fabrik's response to the growing demand for solar panels that combine high performance with impeccable aesthetics. The uniform black appearance - black frame, black laminate, and black grid lines - allows the installation to seamlessly blend into dark roofs, without disrupting the building's architecture. The heart of the module is the N-Type TopCon half-cut cells, which, compared to standard P-Type cells, generate higher voltage and exhibit better LID (light-induced degradation) resistance. The half-cut cell design reduces internal losses and increases resistance to shading - particularly important in urban and complex roof installations. The glass-glass construction with tempered, anti-reflective glass on both sides provides exceptional durability, Class 4 hail resistance, resistance to chemicals (ammonia, solar aerosols), and Class A fire resistance. The entire system is covered by a 30-year product warranty issued by a German manufacturer - a unique standard of assurance in the solar panel market. This solution is designed for demanding installations on single-family homes and commercial buildings, where aesthetics and long-term reliability are equally important.

Ranking

1,218 panels in the segment TOPCon 400-450 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.30% 22.00% Strong · top 17% 5,100
Power density 222.7 220.2 Typical 5,302
Temperature coefficient -0.290 -0.290 Typical 2,165
Weight per kWp 56.0 51.4 Weak · bottom 23% 10,301
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

1 positive · 1 caution
Best for

Residential, commercial and shaded-installations.

Not ideal for

Weight-limited structures.

Strengths
22.30% module efficiency

Top 17% of the TOPCon 400-450 W segment, against a median of 22.00%.

Watch-outs
56.0 kg per kWp

Bottom 23% of the TOPCon 400-450 W segment, against a median of 51.4.

Notes from the database
  • At 22.3% efficiency, this panel is on par with typical TOPCon 400-450W modules
  • Power density of 222.7 W/m² matches the TOPCon 400-450W median
  • At -0.29%/°C, hot weather performance is typical for TOPCon 400-450W panels
  • Weight of 24.9 kg is 2.9 kg above TOPCon 400-450W median (22.0 kg) - verify structural support
  • Bifacial design (80% factor) captures reflected light - adds 4-12% yield on ground-mount or white roof

Specifications

Open datasheet PDF
Nominal power (Pmax) 445 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.30 % Strong Segment median 22.00%
Vmpp · Impp 33.71 V · 13.20 A Operating point at max power
Voc · Isc 40.05 V · 14.10 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 Weak Weak · 2.9 kg above median
Cells 108 · TOPCon Monocrystalline
Bifaciality 80 % Rear output as a share of front
Coefficient Pmax -0.290 %/°C Typical median -0.290 of its segment
Coefficient Voc · Isc -0.250 · 0.048 %/°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
-0.290 %/°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 Full Black 445 W 445 W 22.30% -0.290 24.9 kg You are here
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +50 W, lighter, +2.5 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +45 W, lighter, +2.2 pp
STP-NT11/48QGSF-490 490 W 24.50% -0.260 21.5 kg +45 W, lighter, +2.2 pp
JAT54S40-485/LR 485 W 24.30% -0.260 19.3 kg +40 W, lighter, +2.0 pp
AIKO-A485-MCE54Mw 485 W 24.30% -0.260 21.0 kg +40 W, lighter, +2.0 pp
LR7-54HJD-495M 495 W 24.30% -0.240 23.5 kg +50 W, cooler, +2.0 pp
AIKO-A485-MAH54Mw 485 W 24.30% -0.260 21.5 kg +40 W, lighter, +2.0 pp
Mono S4 HC V 400 BF-DG 400 W 20.02% -0.290 24.0 kg -45 W, -2.3 pp
Mono S4 Halfcut Chroma Orange 420W 420 W 21.02% -0.290 24.0 kg -25 W, -1.3 pp
Mono S4 Halfcut Trend Full Black 450 W 450 W 22.50% -0.290 24.9 kg Very close match
Mono S4 Halfcut Trend White 455W 455 W 22.80% -0.310 24.9 kg +10 W, hotter, +0.5 pp
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +65 W, cooler, +2.7 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +60 W, cooler, +2.4 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg +55 W, cooler, +2.2 pp
CIPRO-TN9C54M-500W 500 W 24.50% -0.260 21.4 kg +55 W, lighter, +2.2 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 is the Mono S4 Halfcut Trend Full Black series recommended for dark roofs?
The series features a uniform all-black aesthetic — black frame, black backsheet laminate, and black cell busbars create a seamless look that blends perfectly with dark roof surfaces. Unlike standard panels with silver frames, the installation does not disrupt the building's architecture. This is especially important on roofs visible from the street or subject to aesthetic requirements from homeowners' associations or historic preservation authorities.
How do N-Type TOPCon cells differ from older P-Type cells in the Solar-Fabrik Mono S4 Halfcut Trend Full Black?
N-Type TOPCon cells produce higher voltage and have a lower temperature coefficient (approx. -0.29 %/°C), which translates to better output during hot weather. Critically, they are virtually immune to LID (Light Induced Degradation) that affects P-Type cells during their first months of operation. As a result, the panel maintains its rated power close to 480 Wp throughout the entire 30-year performance warranty period.
Is the Solar-Fabrik Mono S4 Halfcut Trend Full Black a bifacial panel, and what does that mean in practice?
Yes, the series is bifacial — it features active cells on both sides of the module. The glass-glass construction allows reflected light to pass through the rear glass, potentially increasing energy yield by up to 10–15% compared to a monofacial panel. The gain is greatest with a bright substrate beneath the module, such as a white roofing membrane, light-colored ventilated facade, or a ground-mounted system over a reflective surface.
What warranty covers Solar-Fabrik Mono S4 Halfcut Trend Full Black panels?
Solar-Fabrik provides a 30-year product warranty covering manufacturing defects and material failures, as well as a 30-year power output warranty on this series. Both warranties are issued directly by the manufacturer headquartered in Germany. A 30-year product warranty is a rare standard in the PV panel market and provides significant protection for the investment throughout the entire expected service life of the system.
Can the Solar-Fabrik Mono S4 Halfcut Trend Full Black panel withstand hail and harsh weather conditions?
Yes. The module features glass-glass construction with anti-reflective tempered glass on both sides and meets hail resistance class 4 — it withstands ice ball impacts up to 40 mm in diameter. Fire resistance class A certification and resistance to ammonia and salt spray aerosols make the panel suitable for rural installations near farms as well as coastal environments.
How does half-cut cell technology affect the Mono S4 Halfcut Trend Full Black panel's performance under partial shading?
Splitting cells into half-cut halves means each half of the panel operates semi-independently. Even when shade falls on part of the module from a chimney, dormer, or adjacent building, the power loss is significantly smaller than with conventional full-size cells. The series is therefore especially recommended for urban installations and roofs with complex geometry where uniform irradiance across the entire surface is not achievable.
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