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SunLink Brand review

LNSF-355P

355 Wp PERC
ComparePV verdict

Middle of its segment, modest efficiency

Rank 13,201 of 14,005
Compare panels Datasheet PDF
Power (Wp)
355
Weak · bottom 7%
Efficiency (%)
17.90
Weak · bottom 4%
Density (Wp/m²)
179.0
Weak · bottom 4%
Temp (%/°C)
-0.360
Typical · median -0.350
Weight (kg)
23.5
Weak · 2.1 kg above median
Warranty (yrs)
25
Typical · median 25 yrs

SunLink LUXMAX Plus series panels redefine performance standards through the use of N-type TOPCon cell technology, which minimizes energy loss and ensures significantly slower degradation compared to traditional solutions. This solution effectively eliminates concerns about long-term power drop, offering energy stability for decades. A key differentiator is excellent performance in diffused light, which allows the installation to work efficiently even on cloudy days, typical of the Polish climate zone. This series is designed for demanding commercial projects and prosumers who prioritize high power density on limited roof space. Thanks to low internal impedance and optimized design, these modules generate lower heat losses, resulting in an exceptional temperature coefficient and higher yields in summer. They are distinguished from competing products by rigorous quality control and a reinforced construction that protects against micro-cracks and the harmful effects of external factors. By choosing LUXMAX Plus, investors receive premium-segment technology that maximizes the profitability of the photovoltaic system while maintaining the highest standards of mechanical safety.

Ranking

579 panels in the segment PERC 350-400 W
Metric This panel Median Position in segment Overall rank
Module efficiency 17.90% 19.90% Weak · bottom 4% 13,249
Power density 179.0 199.0 Weak · bottom 4% 13,239
Temperature coefficient -0.360 -0.350 Typical 12,345
Weight per kWp 66.2 55.8 Weak · bottom 11% 13,149
Performance warranty 25 yrs 25 yrs Typical 9,798
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

0 positive · 3 caution
Not ideal for

Tight roof space, roofs where every square metre has to count and weight-limited structures.

Watch-outs
17.90% module efficiency

Bottom 4% of the PERC 350-400 W segment, against a median of 19.90%. Ranked 13,249th in the whole database.

179.0 watts per square metre

Bottom 4% of the PERC 350-400 W segment, against a median of 199.0. Ranked 13,239th in the whole database.

66.2 kg per kWp

Bottom 11% of the PERC 350-400 W segment, against a median of 55.8.

Notes from the database
  • At 17.9% efficiency, this panel is 1.6pp below the PERC 0-400W median of 19.4%
  • Power density of 179.0 W/m² is 15.4 W/m² below PERC 0-400W median (194.4 W/m²) - needs more roof space
  • At -0.36%/°C, hot weather performance is typical for PERC 0-400W panels
  • At 23.5 kg, this panel is 3.0 kg heavier than the PERC 0-400W median (20.5 kg) - more demanding for installation crews
  • Ranked #13249 out of 14005 panels for efficiency in the database

Specifications

Open datasheet PDF
Nominal power (Pmax) 355 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 17.90 % Weak Segment median 19.90%
Vmpp · Impp 38.59 V · 9.20 A Operating point at max power
Voc · Isc 47.36 V · 9.69 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1979×1002×40 mm · 1.98 m² of roof
Weight 23.5 kg Weak Weak · 2.1 kg above median
Cells 72 · PERC Monocrystalline
Coefficient Pmax -0.360 %/°C Typical median -0.350 of its segment
Coefficient Voc · Isc -0.290 · 0.050 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Product warranty 10 years Hardware defects only
Performance warranty 25 years Typical median 25 yrs · median 25 yrs
End-of-warranty output 80.7 % Equals 274 W guaranteed
Degradation 3.00 → 0.68 % 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
-0.360 %/°C against a segment median of -0.350
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
SunLink LNSF-355P 355 W 17.90% -0.360 23.5 kg You are here
NS-330MH-80 330 W 23.15% -0.290 15.0 kg Cooler, lighter, +5.2 pp
NS-330MH-80 330 W 23.15% -0.290 15.0 kg Cooler, lighter, +5.2 pp
GKA210M320W 320 W 23.00% - 16.2 kg Lighter, +5.1 pp, +5 yr warranty
GKA210M340W 340 W 23.00% - 16.2 kg Lighter, +5.1 pp, +5 yr warranty
GKA210M360W 360 W 23.00% - 16.2 kg Lighter, +5.1 pp, +5 yr warranty
GKA210M380W (1/4*4*38) 380 W 23.00% - 17.1 kg Lighter, +5.1 pp, +5 yr warranty
GKA210M400W (1/2*4*20) 400 W 23.00% - 18.0 kg Lighter, +5.1 pp, +5 yr warranty
GKA210M400W (1/4*4*40) 400 W 23.00% - 18.0 kg Lighter, +5.1 pp, +5 yr warranty
GKA210M380W (1/2*4*19) 380 W 23.00% - 17.1 kg Lighter, +5.1 pp, +5 yr warranty
SPR-MAX3-400-COM 400 W 22.60% -0.270 19.0 kg Cooler, +4.7 pp, +15 yr warranty
LNSF-335P 335 W 16.89% -0.360 23.5 kg -20 W, -1.0 pp
LNSF-340P 340 W 17.15% -0.360 23.5 kg -15 W, -0.8 pp
LNSF-345P 345 W 17.40% -0.360 23.5 kg -10 W, -0.5 pp
LNSF-350P 350 W 17.65% -0.360 23.5 kg -0.2 pp
LNSF-380M 380 W 19.16% -0.360 23.5 kg +25 W, +1.3 pp
LNSF-385M 385 W 19.42% -0.360 23.5 kg +30 W, +1.5 pp
SPR-MAX7-475 475 W 24.00% -0.270 21.1 kg +120 W, +6.1 pp, +15 yr warranty

Found 86 panels of the same or similar size to this one, within ±10 mm. See them here Found 304 panels of the same or similar size to this one, within ±25 mm. See them here Found 439 panels of the same or similar size to this one, within ±50 mm. See them here Found 566 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
What warranty does the SunLink LUXMAX Plus come with?
SunLink LUXMAX Plus panels carry a 10-year product warranty covering material and workmanship defects, along with a 25-year linear power output warranty. The power warranty guarantees that after 25 years of operation the modules will retain the required percentage of their rated output. Always review the manufacturer's full warranty terms, including the claims procedure, before purchasing.
Do SunLink LUXMAX Plus panels perform well on overcast days typical of the Polish climate?
Yes. The LUXMAX Plus series is engineered for low-irradiance conditions. PERC cell technology improves the absorption of diffuse light through a rear-side passivation layer that reflects unused photons back into the p-n junction. The system operates efficiently even under heavy cloud cover, which is particularly relevant in Poland where fully sunny days are relatively rare.
How does PERC technology in the LUXMAX Plus differ from standard solar cells?
PERC (Passivated Emitter and Rear Cell) cells feature an additional passivation layer on the rear side that reflects unconverted photons back into the junction, reducing recombination losses compared to conventional BSF cells. This translates into higher conversion efficiency and greater energy yield per square meter. In the LUXMAX Plus series, PERC is paired with a reinforced mechanical design to minimize micro-crack risk.
Are SunLink LUXMAX Plus 400 W panels bifacial?
No, the LUXMAX Plus series consists of monofacial modules — they are not bifacial. Energy is harvested exclusively from the front side of the panel. This is perfectly adequate for standard rooftop installations, both pitched and flat, where albedo reflection from the surface below is not a significant contributor to overall yield.
What type of installations are SunLink LUXMAX Plus 400 W modules designed for?
The LUXMAX Plus 400 W series targets demanding commercial projects and prosumers who need high power density on limited roof space. At 400 Wp per module, installers can maximize energy output without placing a large number of panels, which is especially valuable on irregularly shaped roofs or where usable area is restricted.
Is SunLink a Tier 1 manufacturer, and does it matter when choosing the LUXMAX Plus series?
SunLink is not currently listed as a Tier 1 manufacturer according to Bloomberg NEF classification. This does not automatically imply lower module quality — the LUXMAX Plus series features a reinforced frame and strict quality control. However, it is worth considering when arranging project financing or insurance, as some lenders and insurers require Tier 1 status as a condition of approval.
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