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SunKean Brand review

SKT555M10

555 Wp PERC Bifacial
ComparePV verdict

Efficiency leader, no clear weak spot

Rank 5,849 of 14,005
Compare panels Datasheet PDF
Power (Wp)
555
Typical for its class
Efficiency (%)
21.50
Strong · top 18%
Density (Wp/m²)
214.8
Strong · top 20%
Temp (%/°C)
-0.350
Typical · median -0.350
Weight (kg)
30.5
Typical · median 30.8 kg
Warranty (yrs)
30
Strong · top 25%

The SunKean SKT530~555M10 series has been designed to maximize energy yield from a limited surface area - these monocrystalline modules in a half-cut technology are better equipped to handle partial shading and reduce power losses in everyday operation. The use of an architecture based on M10 cells and refined internal connections ensures stable energy production even in less sunny conditions, which is important in Polish weather conditions. The positive power tolerance also contributes to this, making the actual start of the installation more favorable than the nominal design assumptions.

This is the ideal choice for investors who want to build high-density rooftop and ground-mounted systems - from large homes and farms to commercial buildings. The modules also stand out for their robust operational characteristics, including a sealed IP68 junction box and glass with an anti-reflective coating, which makes it easier to maintain consistent energy yields over time.

Ranking

589 panels in the segment PERC 550-600 W
Metric This panel Median Position in segment Overall rank
Module efficiency 21.50% 21.29% Strong · top 18% 7,958
Power density 214.8 212.9 Strong · top 20% 8,034
Temperature coefficient -0.350 -0.350 Typical 10,419
Weight per kWp 55.0 52.7 Typical 9,348
Performance warranty 30 yrs 27 yrs Strong · top 25% 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

3 positive · 0 caution
Best for

Residential, commercial and shaded-installations.

Strengths
21.50% module efficiency

Top 18% of the PERC 550-600 W segment, against a median of 21.29%.

214.8 watts per square metre

Top 20% of the PERC 550-600 W segment, against a median of 212.9.

30 year performance warranty

Top 25% of the PERC 550-600 W segment, against a median of 27 yrs.

Notes from the database
  • Efficiency of 21.5% matches the PERC 550-600W median
  • At 214.8 W/m² power density, roof space requirements are typical for PERC 550-600W panels
  • Temperature coefficient of -0.35%/°C matches the PERC 550-600W median
  • Ranked #7958 out of 14005 panels for efficiency in the database

Specifications

Open datasheet PDF
Nominal power (Pmax) 555 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 21.50 % Strong Segment median 21.29%
Vmpp · Impp 42.10 V · 13.19 A Operating point at max power
Voc · Isc 49.95 V · 14.05 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2278×1134×35 mm · 2.58 m² of roof
Weight 30.5 kg Typical Typical · median 30.8 kg
Cells 144 · PERC Monocrystalline
Coefficient Pmax -0.350 %/°C Typical median -0.350 of its segment
Coefficient Voc · Isc -0.275 · 0.045 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Product warranty 15 years Hardware defects only
Performance warranty 30 years Strong top 25% · median 27 yrs
End-of-warranty output 85.0 % Equals 471 W guaranteed

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
-0.350 %/°C against a segment median of -0.350
-

Alternatives

All SunKean panels
Filter these
Size
Panel Power Eff. Temp. Weight Difference
SunKean SKT555M10 555 W 21.50% -0.350 30.5 kg You are here
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg Cooler, lighter, +3.5 pp
LR7-60HVH-560M 560 W 24.80% -0.260 25.0 kg Cooler, lighter, +3.3 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg Cooler, lighter, +3.2 pp
LR7-60HVH-555M 555 W 24.60% -0.260 25.0 kg Cooler, lighter, +3.1 pp
LR7-60HVHL-550M 550 W 24.40% -0.260 16.3 kg Cooler, lighter, +2.9 pp
JAT60S40-540/LR 540 W 24.40% -0.260 23.5 kg Cooler, lighter, +2.9 pp
SKT530M10 530 W 20.50% -0.350 30.5 kg -25 W, -1.0 pp
SKT535M10 535 W 20.70% -0.350 30.5 kg -20 W, -0.8 pp
SKT540M10 540 W 20.90% -0.350 30.5 kg -15 W, -0.6 pp
SKT545M10 545 W 21.10% -0.350 30.5 kg -10 W, -0.4 pp
SKT550M10 550 W 21.30% -0.350 30.5 kg Very close match
AIKO-A650-MAE72Mw 650 W 25.20% -0.260 27.0 kg +95 W, cooler, +3.7 pp
AIKO-A645-MAE72Mw 645 W 25.00% -0.260 27.0 kg +90 W, cooler, +3.5 pp
AIKO-A640-MAE72Mw 640 W 24.80% -0.260 27.0 kg +85 W, cooler, +3.3 pp
AIKO-A635-MAE72Mw 635 W 24.60% -0.260 27.0 kg +80 W, cooler, +3.1 pp
AIKO-A630-MAH72Dw 630 W 24.40% -0.260 32.5 kg +75 W, cooler, +2.9 pp

Found 2326 panels of the same or similar size to this one, within ±10 mm. See them here Found 2368 panels of the same or similar size to this one, within ±25 mm. See them here Found 2382 panels of the same or similar size to this one, within ±50 mm. See them here Found 2547 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
Is the SunKean SKT530~555M10 series still available for purchase?
The SKT530~555M10 series has been officially discontinued, and availability through distributors is very limited. Some dealers may still carry remaining stock, but regular restocking should not be expected. If you are planning a new installation, it is advisable to look at currently manufactured alternatives within SunKean's lineup or comparable modules from other manufacturers.
What does bifacial mean for the SKT530~555M10, and does it make a difference on a typical rooftop?
A bifacial module generates power from both the front and rear surfaces — the back side captures light reflected from the ground or rooftop substrate (e.g., white membrane, gravel, or snow). In Central European climates, the rear-side gain is most noticeable in winter when snow cover increases albedo, potentially boosting output by several percentage points. The actual benefit depends on the albedo of the surface below and the tilt angle of the array.
What warranties does SunKean provide for the SKT530~555M10 modules?
SunKean backs the SKT530~555M10 series with a 15-year product warranty covering defects in materials and workmanship, and a 30-year linear power output warranty. The positive power tolerance means each module is guaranteed to deliver at least its rated wattage at delivery, which improves the energy yield from day one compared to zero-tolerance or negative-tolerance products.
What does the half-cut PERC technology in the SKT530~555M10 mean in practical terms?
Half-cut PERC splits each PERC cell in two, reducing internal resistance and limiting mismatch losses under partial shading — each half-cell operates independently. The M10 cell format (182 mm) enables a module power of up to 555 Wp within a manageable frame size. The result is better performance under variable irradiance conditions and a lower risk of hotspot formation compared to standard full-cell designs.
What types of installations are the SunKean SKT530~555M10 modules best suited for?
The SKT530~555M10 series is well suited to applications where high power density per square meter matters: residential rooftop systems on larger homes, agricultural buildings, commercial warehouses, and ground-mounted agrivoltaic or utility-adjacent arrays. At up to 555 Wp per module, fewer modules are needed to reach a target system size, reducing balance-of-system costs for racking and wiring.
Does the IP68 junction box on the SKT530~555M10 provide adequate moisture protection?
Yes, IP68 is the highest standard ingress protection rating for PV module junction boxes, guaranteeing complete dust-tightness and sustained submersion resistance. For rooftop installations in climates with heavy rain, snow load, and freeze-thaw cycles, an IP68-rated junction box ensures the integrity of electrical connections throughout the module's service life, minimizing the risk of arc faults or corrosion-related degradation.
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