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Sunova Brand review

TS-BBT54(485)-G11

485 Wp N-type Bifacial 80%
ComparePV verdict

Middle of its segment, modest efficiency

Rank 7,990 of 14,005
Compare panels Datasheet PDF
Power (Wp)
485
Strong · top 23%
Efficiency (%)
21.80
Weak · bottom 12%
Density (Wp/m²)
218.1
Weak · bottom 12%
Temp (%/°C)
-0.290
Typical · median -0.290
Weight (kg)
24.0
Typical · median 23.7 kg
Warranty (yrs)
30
Typical · median 30 yrs

The Sunova Tangra M HD Black series is a technologically advanced solution that redefines the standards of performance and aesthetics in the residential photovoltaic installation segment. The use of innovative N-type TOPCon cell technology guarantees users significantly higher energy yields and minimal degradation over time, which directly translates into the financial stability of the investment. Thanks to the High Density construction, which involves a denser cell layout, these modules offer maximum power from a limited roof area, solving the problem of space shortages when designing high-efficiency systems. This series stands out from the competition with its deep Full Black aesthetics, where the black frame, black backsheet, and dark cells create a cohesive, luxurious whole that perfectly blends with modern architecture. A key advantage is also its excellent performance in diffused light conditions and low sensitivity to high temperatures, allowing for efficient power production year-round, regardless of the vagaries of the Polish weather. Sunova Tangra M HD Black is a product dedicated to demanding investors who seek uncompromising quality, exceptional resistance to the PID phenomenon, and durability confirmed by rigorous tests that exceed standard market requirements. Choosing this series is an investment in the highest system operating culture and a modern look for the property.

Ranking

301 panels in the segment N-type 450-500 W
Metric This panel Median Position in segment Overall rank
Module efficiency 21.80% 22.52% Weak · bottom 12% 7,022
Power density 218.1 225.2 Weak · bottom 12% 6,998
Temperature coefficient -0.290 -0.290 Typical 2,165
Weight per kWp 49.5 49.5 Typical 3,021
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 · 2 caution
Best for

Residential and BIPV.

Not ideal for

Tight roof space and roofs where every square metre has to count.

Watch-outs
21.80% module efficiency

Bottom 12% of the N-type 450-500 W segment, against a median of 22.52%.

218.1 watts per square metre

Bottom 12% of the N-type 450-500 W segment, against a median of 225.2.

Notes from the database
  • Module efficiency of 21.8% is 0.7pp below average for N-type 450-500W panels (median: 22.5%)
  • Power density of 218.1 W/m² is 7.1 W/m² below N-type 450-500W median (225.2 W/m²) - needs more roof space
  • Temperature coefficient of -0.29%/°C matches the N-type 450-500W median
  • 80% bifaciality enables rear-side power generation, boosting yield by 4-12% on reflective surfaces
  • #7022 for efficiency, #2165 for temperature performance out of 14005 panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 485 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 21.80 % Weak Segment median 22.52%
Vmpp · Impp 32.68 V · 14.85 A Operating point at max power
Voc · Isc 39.20 V · 15.77 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1961×1134×35 mm · 2.22 m² of roof
Weight 24.0 kg Typical Typical · median 23.7 kg
Cells 108 · N-type Monocrystalline
Bifaciality 80 % Rear output as a share of front
Coefficient Pmax -0.290 %/°C Typical median -0.290 of its segment
Coefficient Voc · Isc -0.280 · 0.040 %/°C
NOCT 43 °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 424 W guaranteed
Degradation 1.00 → 0.40 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by Sunova in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 485 Wp appear here. The rest cover the whole series.

Linear Performance Warranty Linear Performance Warranty Whole series Temperature Dependence of Isc, Voc, Pmax Temperature Dependence of Isc, Voc, Pmax 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
-0.290 %/°C against a segment median of -0.290
-
Bifacial gain
Rear gain over light concrete: -
-

Model: bifaciality × albedo × 0.6 view factor. A first-order estimate, not a yield simulation.

Alternatives

All Sunova panels
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Sunova TS-BBT54(485)-G11 485 W 21.80% -0.290 24.0 kg You are here
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +25 W, cooler, +3.2 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg Cooler, lighter, +3.0 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +20 W, cooler, +2.9 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg Cooler, lighter, +2.7 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg +15 W, cooler, +2.7 pp
CIPRO-TN9C54M-500W 500 W 24.50% -0.260 21.4 kg Cooler, lighter, +2.7 pp
TS-BBT54(490)-G11 490 W 22.00% -0.290 24.0 kg Very close match
TS-BBT54(495)-G11 495 W 22.30% -0.290 24.0 kg +10 W, +0.5 pp
TS-BBT54(500)-G11 500 W 22.50% -0.290 24.0 kg +15 W, +0.7 pp
TS-BBT54(505)-G11 505 W 22.70% -0.290 24.0 kg +20 W, +0.9 pp
LR7-60HVH-560M 560 W 24.80% -0.260 25.0 kg +75 W, cooler, +3.0 pp
LR7-60HVH-555M 555 W 24.60% -0.260 25.0 kg +70 W, cooler, +2.8 pp
LR7-60HVHL-550M 550 W 24.40% -0.260 16.3 kg +65 W, lighter, +2.6 pp
JAT60S40-540/LR 540 W 24.40% -0.260 23.5 kg +55 W, cooler, +2.6 pp
GK-5-60HG-540M 540 W 24.40% -0.260 23.3 kg +55 W, cooler, +2.6 pp
JKM545-54QL6-DV-F1-EU 545 W 24.27% -0.260 27.5 kg +60 W, heavier, +2.5 pp

Found 471 panels of the same or similar size to this one, within ±10 mm. See them here Found 508 panels of the same or similar size to this one, within ±25 mm. See them here Found 662 panels of the same or similar size to this one, within ±50 mm. See them here Found 1471 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
How does the Sunova Tangra M HD Black panel differ from standard monofacial modules?
Tangra M HD Black is a bifacial module that additionally captures energy reflected off the roof, ground, or other bright surfaces on its rear side. In practice, this can deliver up to several percent higher annual energy yield compared to classic monofacial panels, using the same roof area and installation setup.
What benefit does N-type TOPCon cell technology bring to the Tangra M HD Black series?
N-type TOPCon cells do not suffer from the natural LID (Light Induced Degradation) that affects classic P-type cells within the first hours of operation. As a result, the panel produces more energy from day one and degrades more slowly over the years, leading to higher total energy output over the system's lifetime.
What is the product and power warranty for the Sunova Tangra M HD Black series?
The manufacturer provides a 15-year product warranty along with a 30-year linear power output warranty. This means that after 30 years the panel should still deliver a significant share of its original rated power, which is an important factor when calculating the long-term return on investment of a PV system.
Do Sunova Tangra M HD Black 505 Wp panels perform well under low light and cloudy conditions?
Yes, the High Density design combined with N-type cells allows the module to work efficiently under diffuse light, common on overcast days typical of the Polish climate. The panel maintains stable energy production throughout most of the year, not just under full sun, resulting in a more even production profile across the seasons.
Does high summer temperature reduce the performance of Tangra M HD Black panels?
These panels feature a low temperature coefficient of power, meaning less performance drop at high panel temperatures on hot days compared to standard P-type modules. This allows the installation to maintain higher efficiency during summer, when irradiance is at its peak but roof surface temperatures also rise.
Why is the Full Black version of the Tangra M HD Black more expensive than standard black panels?
The Full Black version combines a black frame, black backsheet, and dark cells into one cohesive, aesthetic design, which requires additional manufacturing steps compared to standard modules with a white backsheet or silver frame. This version is particularly popular for pitched roofs on single-family homes, where the visual appearance of the roof matters to the investor.
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