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Sunlike Solar Brand review

SKT435M10-108D6

435 Wp HJT Bifacial 85%
ComparePV verdict

Middle of its segment, weak in heat

Rank 9,153 of 14,005
Compare panels Datasheet PDF
Power (Wp)
435
Typical for its class
Efficiency (%)
22.28
Typical · median 22.20%
Density (Wp/m²)
222.8
Typical · median 221.6
Temp (%/°C)
-0.260
Weak · bottom 23%
Weight (kg)
22.0
Typical · median 23.0 kg
Warranty (yrs)
30
Typical · median 30 yrs

The Sunlike Solar SKT430~440M10-108D6 series is designed to maximize energy output from a limited mounting area, without compromising on durability and aesthetics. The use of N-type cells in TOPCon technology ensures stable operation at high temperatures and reduces susceptibility to typical degradation phenomena, which in turn supports the long-term profitability of the installation. The half-cut design with multiple busbars helps minimize losses and better cope with partial shading, such as from chimneys or skylights.

The bifacial version with double glass can also utilize reflected light from the ground, which will be appreciated by investors installing modules on bright roofs, on the ground, or on structures above membranes. The entire system is complemented by IP68 protection class and a focus on mechanical resistance, which is important in Polish wind and snow conditions.

This is a good choice for premium home installations, commercial roofs, and projects where high power density, appearance, and predictable energy production over the years are important.

Ranking

113 panels in the segment HJT 400-450 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.28% 22.20% Typical 5,403
Power density 222.8 221.6 Typical 5,150
Temperature coefficient -0.260 -0.240 Weak · bottom 23% 511
Weight per kWp 50.6 52.4 Typical 3,963
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
-0.260 %/°C temperature coefficient

Bottom 23% of the HJT 400-450 W segment, against a median of -0.240.

Notes from the database
  • At 22.3% efficiency, this panel is on par with typical HJT 400-450W modules
  • Power density of 222.8 W/m² matches the HJT 400-450W median
  • At -0.26%/°C, loses 0.02pp more power per degree than HJT 400-450W median (-0.24%/°C)
  • Weight of 22.0 kg is typical for HJT 400-450W panels
  • Bifaciality factor of 85% can add 4-13% extra yield with reflective mounting surface

Specifications

Open datasheet PDF
Nominal power (Pmax) 435 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.28 % Typical Segment median 22.20%
Vmpp · Impp 34.86 V · 12.48 A Operating point at max power
Voc · Isc 41.64 V · 13.00 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 22.0 kg Typical Typical · median 23.0 kg
Cells 108 · HJT Monocrystalline
Bifaciality 85 % Rear output as a share of front
Coefficient Pmax -0.260 %/°C Weak bottom 23% of its segment
Coefficient Voc · Isc -0.240 · 0.040 %/°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 88.0 % Equals 383 W guaranteed
Degradation 1.00 → 0.38 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by Sunlike Solar in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 435 Wp appear here. The rest cover the whole series.

Sunket HJT Linear Warranty Sunket HJT Linear 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
-
With bifacial gain
-

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

Heat losses
-0.260 %/°C against a segment median of -0.240
-
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
Sunlike Solar SKT435M10-108D6 435 W 22.28% -0.260 22.0 kg You are here
JAT54S40-485/LR 485 W 24.30% -0.260 19.3 kg +50 W, lighter, +2.0 pp
AIKO-A485-MCE54Mw 485 W 24.30% -0.260 21.0 kg +50 W, lighter, +2.0 pp
AIKO-A485-MAH54Mw 485 W 24.30% -0.260 21.5 kg +50 W, +2.0 pp
GK-5-54HG-485M 485 W 24.30% -0.260 21.0 kg +50 W, lighter, +2.0 pp
ZEUS 3.0+ 108 485WP 485 W 24.30% -0.260 24.2 kg +50 W, heavier, +2.0 pp
LNVB-395M 395 W 20.23% -0.360 21.0 kg Hotter, -2.1 pp, -5 yr warranty
LNVB-400M 400 W 20.48% -0.360 21.0 kg Hotter, -1.8 pp, -5 yr warranty
LNVB-405M 405 W 20.74% -0.360 21.0 kg Hotter, -1.5 pp, -5 yr warranty
SKT410M10-108D4 410 W 21.00% -0.290 21.0 kg -25 W, hotter, -1.3 pp
SKT415M10-108D4 415 W 21.30% -0.290 21.0 kg -20 W, hotter, -1.0 pp
SKT420M10-108D4 420 W 21.50% -0.290 21.0 kg -15 W, hotter, -0.8 pp
SKT425M10-108D4 425 W 21.80% -0.290 21.0 kg -10 W, hotter, -0.5 pp
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +75 W, cooler, +2.7 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +60 W, lighter, +2.5 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +70 W, cooler, +2.4 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +55 W, lighter, +2.2 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
What warranty does Sunlike Solar offer on the SKT430~440M10-108D6 series?
The SKT430~440M10-108D6 series comes with a 15-year product warranty covering material and workmanship defects, plus a 30-year linear power output warranty. This means the manufacturer guarantees a defined minimum percentage of the module's nominal power output after three decades of use — solid terms for N-type TOPCon modules and a strong assurance for the investor over the full system lifetime.
Are the SKT430~440M10-108D6 panels a good fit for roofs with partial shading from chimneys or dormers?
Yes. The half-cut cell design with multiple busbars splits each cell into two independent halves, significantly limiting the shading impact on the entire module. When one section is shaded, the remaining cells continue operating efficiently. This is a key advantage on typical Polish pitched roofs with chimneys, dormers, or satellite dishes that cast partial shadows.
What makes the TOPCon technology in the SKT430~440M10-108D6 series stand out, and is it worth the extra cost?
TOPCon is an N-type cell technology that uses a thin tunnel oxide and polysilicon passivation layer to reduce carrier recombination. In practice, this means higher efficiency than older PERC technology, a better temperature coefficient (less power loss on hot days), and lower susceptibility to PID and LID degradation. Over a 30-year power warranty period, these differences translate into meaningfully more energy produced and a faster return on investment.
Does the bifacial double-glass design of the SKT430~440M10-108D6 make sense for a typical rooftop installation in Poland?
The bifacial gain — harvesting energy from reflected light on the rear side — delivers real benefits mainly on highly reflective surfaces such as white roofing membranes, light-colored gravel, or ground-mount systems. On a typical dark-gray pitched roof, rear-side power contribution is minimal. However, the double-glass construction instead of a back sheet significantly improves moisture resistance and mechanical durability, which is a concrete advantage over a 30-year service life in Poland's climate.
What types of installations are the Sunlike Solar SKT430~440M10-108D6 panels best suited for?
With output up to 440 Wp, the SKT430~440M10-108D6 series is well suited for premium residential rooftop systems where high power density is needed on limited roof space, commercial flat rooftops, and ground-mount installations on reflective substrates. The bifacial double-glass variant performs especially well on structures above a white roofing membrane or light-colored gravel ballast.
How does the IP68 rating affect the long-term reliability of SKT430~440M10-108D6 panels in Polish weather conditions?
IP68 provides complete dust protection and resistance to sustained water immersion, meaning the junction box remains sealed against heavy rain, snowmelt, and prolonged moisture. In Poland, where modules must endure repeated freeze-thaw cycles and wet winters, IP68 is a meaningful advantage over panels with lower-rated junction box sealing and contributes directly to long-term system reliability.
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