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Selfa Brand review

SV108M.2.4-440

440 Wp N-type
ComparePV verdict

Middle of its segment, weak in heat

Rank 8,251 of 14,005
Compare panels Datasheet PDF
Power (Wp)
440
Strong · top 23%
Efficiency (%)
22.00
Typical · median 21.91%
Density (Wp/m²)
217.7
Typical · median 218.3
Temp (%/°C)
-0.300
Weak · bottom 25%
Weight (kg)
22.0
Typical · median 22.0 kg
Warranty (yrs)
30
Typical · median 30 yrs

Selfa PREMIUM FULL BLACK panels are the answer to the needs of investors seeking a balance between uncompromising aesthetics and maximum durability in Polish climatic conditions. The use of Half-Cut technology and multi-busbar monocrystalline cells significantly reduces energy losses resulting from internal resistance, which translates into more stable operation of the entire installation on hot days. These modules are distinguished by their exceptional resistance to potential-induced degradation and the LID phenomenon, guaranteeing high efficiency over decades of use. For the user, this means the certainty of a quick return on investment and a lower risk of micro-cracks thanks to the optimized frame design. This series is dedicated particularly to modern single-family housing, where the deep black of the modules and the elegant appearance of the roof play a key role. Unlike mass-imported products, this series undergoes triple quality control directly on the domestic production line, eliminating the risk of hidden manufacturing defects. Thanks to the self-cleaning coating and reinforced tempered glass, these panels perform perfectly in conditions of increased dust and under extreme snow loads. It is the ideal solution for those choosing local technical support and long-term energy security without any aesthetic compromises.

Ranking

321 panels in the segment N-type 400-450 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.00% 21.91% Typical 6,517
Power density 217.7 218.3 Typical 7,065
Temperature coefficient -0.300 -0.290 Weak · bottom 25% 6,093
Weight per kWp 50.0 51.2 Typical 3,317
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

0 positive · 1 caution
Best for

Residential, shaded-installations and cold-climate.

Not ideal for

Hot climates.

Watch-outs
-0.300 %/°C temperature coefficient

Bottom 25% of the N-type 400-450 W segment, against a median of -0.290.

Notes from the database
  • At 22.0% efficiency, this panel is on par with typical N-type 400-450W modules
  • Power density of 217.7 W/m² matches the N-type 400-450W median
  • Temperature coefficient of -0.30%/°C matches the N-type 400-450W median
  • #6517 for efficiency, #6093 for temperature performance out of 14005 panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 440 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.00 % Typical Segment median 21.91%
Vmpp · Impp 32.84 V · 13.40 A Operating point at max power
Voc · Isc 39.40 V · 13.95 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1782×1134×30 mm · 2.02 m² of roof
Weight 22.0 kg Typical Typical · median 22.0 kg
Cells 108 · N-type Monocrystalline
Coefficient Pmax -0.300 %/°C Weak bottom 25% of its segment
Coefficient Voc · Isc -0.250 · 0.050 %/°C
NOCT 42 °C At 800 W/m², 20 °C ambient
Product warranty 20 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 87.0 % Equals 383 W guaranteed
Degradation 1.00 → 0.41 % First year, then annual

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
-0.300 %/°C against a segment median of -0.290
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Selfa SV108M.2.4-440 440 W 22.00% -0.300 22.0 kg You are here
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +50 W, cooler, +2.5 pp
STP-NT11/48QGSF-490 490 W 24.50% -0.260 21.5 kg +50 W, cooler, +2.5 pp
JAT54S40-485/LR 485 W 24.30% -0.260 19.3 kg +45 W, cooler, +2.3 pp
AIKO-A485-MCE54Mw 485 W 24.30% -0.260 21.0 kg +45 W, cooler, +2.3 pp
AIKO-A485-MAH54Mw 485 W 24.30% -0.260 21.5 kg +45 W, cooler, +2.3 pp
GK-5-54HG-485M 485 W 24.30% -0.260 21.0 kg +45 W, cooler, +2.3 pp
ZEUS 3.0+ 108 485WP 485 W 24.30% -0.260 24.2 kg +45 W, cooler, +2.3 pp
SV108M.2.4-430 430 W 21.50% -0.300 22.0 kg -10 W, -0.5 pp
SV108M.2.4-450 450 W 22.50% -0.300 25.0 kg +10 W, heavier, +0.5 pp
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +70 W, cooler, +3.0 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +55 W, cooler, +2.8 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +65 W, cooler, +2.7 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg +60 W, cooler, +2.5 pp
CIPRO-TN9C54M-500W 500 W 24.50% -0.260 21.4 kg +60 W, cooler, +2.5 pp

Found 10 panels of the same or similar size to this one, within ±10 mm. See them here Found 1593 panels of the same or similar size to this one, within ±25 mm. See them here Found 1818 panels of the same or similar size to this one, within ±50 mm. See them here Found 3986 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
What does N-type cell technology in the Selfa PREMIUM FULL BLACK series offer, and is the premium worth it?
N-type cells are significantly more resistant to LID (Light Induced Degradation) than standard P-type PERC cells. In the PREMIUM FULL BLACK series this means a smaller power drop during the first years of operation and more stable generation throughout the entire 30-year power warranty period. For a 440 Wp module, this translates into measurably more kWh produced over the system's full lifetime — accelerating the return on investment.
What is the warranty on Selfa PREMIUM FULL BLACK panels and when does coverage start?
The PREMIUM FULL BLACK series carries a 20-year product warranty covering physical defects and a 30-year power output warranty. One important practical note: Selfa counts the warranty from the production date, not the purchase date. Before buying, it is worth checking the production date label on the module to confirm how much of the warranty period actually remains.
Can Selfa PREMIUM FULL BLACK panels handle Polish winters and heavy snow loads?
Yes, the PREMIUM FULL BLACK series is designed for the harsh climate conditions typical of Poland. The reinforced tempered glass and optimized frame construction provide high resistance to snow loads. Half-cut multi-busbar monocrystalline cells additionally reduce losses from partial shading — for example from snow accumulated along the bottom edge of a module.
How do Selfa PREMIUM FULL BLACK panels differ from mass-imported products?
The key difference lies in manufacturing location and quality control. Selfa produces modules in Szczecin, Poland, applying triple quality control directly on the domestic production line, eliminating the risk of hidden factory defects. With over 80 years of company history and an authorized service network across Poland, real local technical support is available — without waiting weeks for a response from an overseas manufacturer.
What is the maximum power of the Selfa PREMIUM FULL BLACK module and how should it be matched to an inverter?
The maximum power of a single module in the PREMIUM FULL BLACK series is 440 Wp. When sizing an inverter, check the MPPT voltage range — a typical string of 10 modules at 440 Wp will reach approximately 400–420 V depending on temperature, which is compatible with most standard grid-tied and hybrid inverters available on the Polish market.
How does the self-cleaning coating on Selfa PREMIUM FULL BLACK panels work, and does it eliminate manual washing?
Selfa's SELF-C self-cleaning coating reduces dust and contaminant adhesion to the glass surface — most deposits are removed automatically by rainfall and UV exposure. In typical Polish conditions, panels with this coating require manual cleaning far less frequently than standard modules, reducing O&M costs across the full 30-year operating life of the installation.
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