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Selfa Brand review

SV108M.4.3-405

405 Wp PERC
ComparePV verdict

Warranty pick, weak in heat

Rank 11,068 of 14,005
Compare panels Datasheet PDF
Power (Wp)
405
Typical for its class
Efficiency (%)
20.70
Typical · median 20.60%
Density (Wp/m²)
207.2
Typical · median 206.2
Temp (%/°C)
-0.360
Weak · bottom 15%
Weight (kg)
22.0
Typical · median 22.0 kg
Warranty (yrs)
30
Strong · top 17%

The SV108M.4.3 series consists of monocrystalline PREMIUM modules designed for installations where both stable energy output and long-term investment predictability matter. The panel uses PERC cells with half-cut technology, which translates into higher power output and reduced losses caused by shading or microcracks. The multi busbar layout improves reliability and enhances current collection across the cell surface, while the PID free design protects against potential-induced degradation, a common weakness of cheaper solutions. A distinctive feature of this series is its SELF-C self-cleaning surface, which reduces dirt and dust buildup, resulting in less frequent maintenance and more consistent yields over time. The reinforced mechanical construction provides high resistance to wind, snow, and hail loads, making the panel suitable for both sloped roofs and demanding climate conditions. The manufacturer offers positive power tolerance only along with a long-term, linear power warranty, making this series an appealing choice for installers and investors seeking a high-quality Polish-made product with low operational risk.

Ranking

954 panels in the segment PERC 400-450 W
Metric This panel Median Position in segment Overall rank
Module efficiency 20.70% 20.60% Typical 10,764
Power density 207.2 206.2 Typical 10,749
Temperature coefficient -0.360 -0.350 Weak · bottom 15% 12,345
Weight per kWp 54.3 53.0 Typical 8,586
Performance warranty 30 yrs 25 yrs Strong · top 17% 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

1 positive · 1 caution
Best for

Residential and shaded-installations.

Not ideal for

Hot climates.

Strengths
30 year performance warranty

Top 17% of the PERC 400-450 W segment, against a median of 25 yrs.

Watch-outs
-0.360 %/°C temperature coefficient

Bottom 15% of the PERC 400-450 W segment, against a median of -0.350.

Notes from the database
  • At 20.7% efficiency, this panel is on par with typical PERC 400-450W modules
  • At 207.2 W/m² power density, roof space requirements are typical for PERC 400-450W panels
  • At -0.36%/°C, hot weather performance is typical for PERC 400-450W panels
  • Ranked #10764 out of 14005 panels for efficiency in the database

Specifications

Open datasheet PDF
Nominal power (Pmax) 405 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 20.70 % Typical Segment median 20.60%
Vmpp · Impp 31.38 V · 12.91 A Operating point at max power
Voc · Isc 37.24 V · 13.81 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1724×1134×35 mm · 1.96 m² of roof
Weight 22.0 kg Typical Typical · median 22.0 kg
Cells 108 · PERC Monocrystalline
Coefficient Pmax -0.360 %/°C Weak bottom 15% of its segment
Coefficient Voc · Isc -0.300 · 0.060 %/°C
NOCT 42 °C At 800 W/m², 20 °C ambient
Product warranty 15 years Hardware defects only
Performance warranty 30 years Strong top 17% · median 25 yrs
End-of-warranty output 91.8 % Equals 372 W guaranteed
Degradation 3.00 → 0.18 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by Selfa in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 405 Wp appear here. The rest cover the whole series.

Linear Power Warranty Linear Power Warranty Whole series Current-Voltage and Power-Voltage Characteristics (I-V, P-V curves at varying irradiance) Current-Voltage and Power-Voltage Characteristics (I-V, P-V curves at varying irradiance) 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
-0.360 %/°C against a segment median of -0.350
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Selfa SV108M.4.3-405 405 W 20.70% -0.360 22.0 kg You are here
AIKO-455-MAH54Db 455 W 23.30% -0.260 24.0 kg +50 W, cooler, +2.6 pp
LR5-54HTH-455M 455 W 23.30% -0.290 20.8 kg +50 W, cooler, +2.6 pp
YL455CF54 e/2 455 W 23.30% -0.290 20.3 kg +50 W, cooler, +2.6 pp
ESM-455T 455 W 23.30% -0.310 21.0 kg +50 W, cooler, +2.6 pp
SE5-54HBC-455W 455 W 23.30% -0.290 20.8 kg +50 W, cooler, +2.6 pp
JST-EDMH-(445-465)W-TD (455W class) 455 W 23.30% -0.300 20.5 kg +50 W, cooler, +2.6 pp
LX-455M/182R-96+ GG 455 W 23.30% -0.260 23.5 kg +50 W, cooler, +2.6 pp
SV108M.4.3-400 400 W 20.50% -0.360 22.0 kg Very close match
SV108M.4.3-410 410 W 21.00% -0.360 22.0 kg +0.3 pp
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +105 W, cooler, +4.3 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +90 W, cooler, +4.1 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +100 W, cooler, +4.0 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +85 W, cooler, +3.8 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg +95 W, cooler, +3.8 pp
CIPRO-TN9C54M-500W 500 W 24.50% -0.260 21.4 kg +95 W, cooler, +3.8 pp

Found 1783 panels of the same or similar size to this one, within ±10 mm. See them here Found 1917 panels of the same or similar size to this one, within ±25 mm. See them here Found 3392 panels of the same or similar size to this one, within ±50 mm. See them here Found 3970 panels of the same or similar size to this one, within ±100 mm. See them here

About the SV108M.4.3 series

6 answered

These answers cover the whole series. Where a figure differs, the specification above is this module's own.

Are Selfa SV108M.4.3 solar panels still available for purchase?
The SV108M.4.3 series has been discontinued and replaced by newer models from the manufacturer, including ones using TOPCon cells. Remaining stock of this series may still be found at distributors as clearance inventory, but for larger installations it's best to confirm availability with a supplier in advance or consider a current equivalent from Selfa's lineup.
What warranty comes with Selfa SV108M.4.3 modules?
The manufacturer backs the SV108M.4.3 series with a 15-year product warranty and a 30-year linear power warranty, meaning a gradual, predictable performance decline over time rather than a sudden drop after a few years. Another advantage is the positive-only power tolerance, so the actual output never falls below the nameplate rating.
What is PERC half-cut cell technology used in the SV108M.4.3 and what are its benefits?
PERC half-cut cells are standard silicon cells cut in half, with an additional rear-passivation layer. This design boosts module efficiency (around 20.5% in this series), reduces current losses from partial shading, and lowers the risk of failure from microcracks, since smaller cells carry lower currents and generate less heat.
What is the SELF-C self-cleaning surface, and does it really reduce maintenance?
SELF-C is a special front-glass coating that reduces the adhesion of dust, pollen, and debris and makes it easier for rain to wash them off. In practice, this means less frequent panel cleaning and lower risk of localized shading from dirt, resulting in more stable energy yields, especially on low-pitch roofs.
Can the Selfa SV108M.4.3 panel withstand heavy snow and wind loads?
Yes, the SV108M.4.3 series features a reinforced frame and laminate construction built for high mechanical loads, making it suitable for pitched roofs as well as regions with frequent snowfall or strong winds. Exact snow and wind load ratings are listed in the datasheet and should be verified against the specific mounting structure and location.
Is the Selfa SV108M.4.3 a bifacial panel?
No, the SV108M.4.3 series is a monofacial panel rated at 410 Wp max power, generating energy only from the front side of the cells. Bifacial panels, which capture extra yield from reflected light on the rear side, are found in other, newer series in Selfa's lineup released after this model was discontinued.
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