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SunLink SL5M108-430
SunLink Brand review

SL5M108-430

430 Wp TOPCon
ComparePV verdict

Middle of its segment, weak in heat

Rank 9,549 of 14,005
Compare panels Datasheet PDF
Power (Wp)
430
Typical for its class
Efficiency (%)
22.00
Typical · median 22.00%
Density (Wp/m²)
220.2
Typical · median 220.2
Temp (%/°C)
-0.310
Weak · bottom 10%
Weight (kg)
21.5
Typical · median 22.0 kg
Warranty (yrs)
30
Typical · median 30 yrs

The SunLink SL5M108 series consists of compact monocrystalline modules with a 108-cell array, designed to maximize energy output from a limited roof area without complicating the installation. The use of half-cut cell technology helps to minimize losses and better cope with partial shading, while SMBB technology supports a more stable current output and reduces the risk of local overheating. This translates into more reliable performance in typical Polish conditions, from cold mornings to hot days on a dark roof.

In practice, the SL5M108 also stands out due to its full black aesthetic, which makes the installation look consistent on modern roofs. The modules feature an IP68 sealed junction box, which facilitates operation in humid and weather-prone environments, as well as being designed for use in more demanding environments (e.g., higher humidity, sea fog). This makes it a good choice for homes, small businesses, and projects where power density, appearance, and predictable energy production are important.

Ranking

1,218 panels in the segment TOPCon 400-450 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.00% 22.00% Typical 6,517
Power density 220.2 220.2 Typical 6,481
Temperature coefficient -0.310 -0.290 Weak · bottom 10% 8,005
Weight per kWp 50.0 51.4 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, commercial and shaded-installations.

Not ideal for

Hot climates.

Watch-outs
-0.310 %/°C temperature coefficient

Bottom 10% of the TOPCon 400-450 W segment, against a median of -0.290.

Notes from the database
  • Efficiency of 22.0% matches the TOPCon 400-450W median
  • Power density of 220.2 W/m² matches the TOPCon 400-450W median
  • -0.31%/°C temperature coefficient - 0.02pp worse than TOPCon 400-450W median (-0.29%/°C), expect higher hot weather losses
  • #6517 for efficiency, #8005 for temperature performance out of 14005 panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 430 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.00 % Typical Segment median 22.00%
Vmpp · Impp 32.26 V · 13.33 A Operating point at max power
Voc · Isc 38.42 V · 14.16 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1722×1134×30 mm · 1.95 m² of roof
Weight 21.5 kg Typical Typical · median 22.0 kg
Cells 108 · TOPCon Monocrystalline
Coefficient Pmax -0.310 %/°C Weak bottom 10% of its segment
Coefficient Voc · Isc -0.260 · 0.050 %/°C
NOCT 44 °C At 800 W/m², 20 °C ambient
Product warranty 15 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 87.4 % Equals 376 W guaranteed
Degradation 1.00 → 0.40 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by SunLink in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 430 Wp appear here. The rest cover the whole series.

30-year Linear Performance Warranty 30-year Linear Performance Warranty Whole series Current-Voltage & Power-Voltage Curves (SL5M108) Current-Voltage & Power-Voltage Curves (SL5M108) 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
-0.310 %/°C against a segment median of -0.290
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
SunLink SL5M108-430 430 W 22.00% -0.310 21.5 kg You are here
AIKO-A480-MAH54Mw 480 W 24.10% -0.260 21.5 kg +50 W, cooler, +2.1 pp
GK-5-54HG-480M 480 W 24.10% -0.260 21.0 kg +50 W, cooler, +2.1 pp
JKM480N-48QL6-DB-F2-EU 480 W 24.02% -0.260 24.4 kg +50 W, cooler, +2.0 pp
GKA96N-PRO-480W 480 W 24.02% -0.300 21.0 kg +50 W, cooler, +2.0 pp
SL5M108-400 400 W 20.50% -0.350 21.5 kg Hotter, -1.5 pp, -5 yr warranty
SL5M108-405 405 W 20.70% -0.350 21.5 kg Hotter, -1.3 pp, -5 yr warranty
SL5M108-410 410 W 21.00% -0.350 21.5 kg Hotter, -1.0 pp, -5 yr warranty
SL5M108-415 415 W 21.30% -0.310 21.5 kg -15 W, -0.7 pp
SL5N108-420W 420 W 21.50% -0.300 22.0 kg -10 W, cooler, -0.5 pp
SL5N108-425W 425 W 21.80% -0.300 22.0 kg Cooler
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +80 W, cooler, +3.0 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +65 W, cooler, +2.8 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +75 W, cooler, +2.7 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +60 W, cooler, +2.5 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg +70 W, cooler, +2.5 pp
CIPRO-TN9C54M-500W 500 W 24.50% -0.260 21.4 kg +70 W, cooler, +2.5 pp

Found 1783 panels of the same or similar size to this one, within ±10 mm. See them here Found 1914 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

Common questions

6 answered
Is the SunLink SL5M108 series still available for purchase?
The SunLink SL5M108 series has been discontinued and is no longer offered through regular sales channels. New units may occasionally appear at distributors with remaining stock. If you're set on this series, check availability directly with your retailer. Otherwise, consider newer SunLink series with comparable or improved specifications as a practical alternative.
What warranty does the SunLink SL5M108 come with?
SunLink provides a 15-year product warranty and a 30-year linear power output warranty for the SL5M108 series. The power warranty guarantees that modules will maintain performance above a defined degradation curve over 30 years. Since SunLink is not a Tier 1 manufacturer, it's worth verifying the supplier's financial stability and service policy when assessing long-term investment risk.
What is TOPCon technology and what does it mean for SL5M108 performance?
TOPCon (Tunnel Oxide Passivated Contact) is an advanced monocrystalline cell technology featuring a thin passivation layer that reduces charge carrier recombination. Compared to standard PERC cells, it delivers higher overall efficiency, better output under diffuse light conditions, and a lower temperature coefficient — meaning less power loss on hot days. Combined with the 108 half-cut cell layout and SMBB, the SL5M108 provides stable, season-round output.
How do SunLink SL5M108 modules handle partial shading and harsh weather conditions?
The 108 half-cut cell configuration allows each cell to operate more independently, limiting power losses caused by partial shading from chimneys or antennas. SMBB (Super Multi Busbar) further supports stable current flow and reduces the risk of localized hotspots. The IP68-rated junction box provides a watertight seal against moisture and extreme temperature swings — common factors in Central European climate conditions.
Are SunLink SL5M108 Full Black panels suitable for rooftops with strict aesthetic requirements?
Yes. The SL5M108 is available in a Full Black configuration with a black frame, black backsheet, and black cells. The result is a uniform, sleek rooftop appearance without the silver contrast typical of standard modules. This makes it a popular choice for modern residential architecture or projects governed by homeowners' association guidelines or building permit aesthetic conditions.
What is the maximum power output of the SunLink SL5M108, and how many panels are needed for a home system?
The SL5M108 has a rated maximum power output of 430 Wp. For a typical household consuming 4,000–5,000 kWh per year, 8–12 modules are generally sufficient, depending on roof orientation, local irradiance, and actual energy consumption. The compact 108-cell format makes it easier to fit adequate system capacity onto smaller roof sections without sacrificing total installed power.
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