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Sunova Brand review

TS-BB54(400)-X

400 Wp PERC Bifacial 70%
ComparePV verdict

Strong in heat, no clear weak spot

Rank 10,711 of 14,005
Compare panels Datasheet PDF
Power (Wp)
400
Weak · bottom 9%
Efficiency (%)
20.48
Typical · median 20.60%
Density (Wp/m²)
204.8
Typical · median 206.2
Temp (%/°C)
-0.330
Strong · top 10%
Weight (kg)
21.5
Typical · median 22.0 kg
Warranty (yrs)
25
Typical · median 25 yrs

The Sunova TS-BB54 (X Version, All Black) series is designed for installations where both aesthetic roof appearance and long-term energy production are important. These are fully black (All Black) modules, creating a cohesive and elegant surface - particularly desirable for modern homes and buildings with high aesthetic requirements. The use of monocrystalline and bifacial modules allows for better utilization of reflected light from the ground, which can be a significant advantage on bright roofs, terraces, and ground-mounted structures.

In practice, this series helps to minimize losses under variable sunlight conditions, increase daily energy yield, and improve cost-effectiveness in situations where the mounting surface is limited. Compared to many competing panels, it stands out due to its refined appearance, a design focused on long-term durability, and parameters optimized for predictable operation in typical Polish climate conditions. This makes it a good choice for prosumers, companies, and installers looking for premium modules for pitched and flat roofs.

Ranking

954 panels in the segment PERC 400-450 W
Metric This panel Median Position in segment Overall rank
Module efficiency 20.48% 20.60% Typical 11,468
Power density 204.8 206.2 Typical 11,370
Temperature coefficient -0.330 -0.350 Strong · top 10% 8,545
Weight per kWp 53.8 53.0 Typical 7,774
Performance warranty 25 yrs 25 yrs Typical 9,798
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

1 positive · 0 caution
Best for

Residential and commercial.

Strengths
-0.330 %/°C temperature coefficient

Top 10% of the PERC 400-450 W segment, against a median of -0.350.

Notes from the database
  • At 20.5% efficiency, this panel is on par with typical PERC 400-450W modules
  • Power density of 204.8 W/m² matches the PERC 400-450W median
  • At -0.33%/°C, hot weather performance is typical for PERC 400-450W panels
  • Bifaciality factor of 70% can add 4-10% extra yield with reflective mounting surface
  • Ranked #11468 out of 14005 panels for efficiency in the database

Specifications

Open datasheet PDF
Nominal power (Pmax) 400 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 20.48 % Typical Segment median 20.60%
Vmpp · Impp 31.42 V · 12.74 A Operating point at max power
Voc · Isc 37.18 V · 13.39 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1722×1134×35 mm · 1.95 m² of roof
Weight 21.5 kg Typical Typical · median 22.0 kg
Cells 108 · PERC Monocrystalline
Bifaciality 70 % Rear output as a share of front
Coefficient Pmax -0.330 %/°C Strong top 10% of its segment
Coefficient Voc · Isc -0.260 · 0.060 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Product warranty 25 years Hardware defects only
Performance warranty 25 years Typical median 25 yrs · median 25 yrs
End-of-warranty output 84.8 % Equals 328 W guaranteed
Degradation 2.00 → 0.55 % 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
-
With bifacial gain
-

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

Heat losses
-0.330 %/°C against a segment median of -0.350
-
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-BB54(400)-X 400 W 20.48% -0.330 21.5 kg You are here
LX-440M/182-108+GG 440 W 23.07% -0.240 23.6 kg Cooler, +2.6 pp, +5 yr warranty
JST-EDMH-(445-465)W-TD (450W class) 450 W 23.05% -0.300 20.5 kg +50 W, +2.6 pp, +5 yr warranty
QNN182-HG450-54 450 W 23.04% -0.290 24.0 kg +50 W, +2.6 pp, +5 yr warranty
HY440-N108BDD 450 W 23.04% -0.300 23.5 kg +50 W, +2.6 pp, +5 yr warranty
NLBK-27-450 450 W 23.04% -0.300 22.9 kg +50 W, +2.6 pp, +5 yr warranty
RS41-450NBG-E3 450 W 23.04% -0.290 24.5 kg +50 W, +2.6 pp, +5 yr warranty
TS-BG54(405)-X 405 W 20.74% -0.330 24.2 kg Heavier, +0.3 pp, +5 yr warranty
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +110 W, cooler, +4.5 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +95 W, cooler, +4.3 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +105 W, cooler, +4.2 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +90 W, cooler, +4.0 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg +100 W, cooler, +4.0 pp
CIPRO-TN9C54M-500W 500 W 24.50% -0.260 21.4 kg +100 W, cooler, +4.0 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
Are Sunova TS-BB54 (X Version, All Black) panels suitable for pitched roofs?
Yes, the TS-BB54 All Black series is popular for pitched roofs thanks to its uniform black surface with no visible silver frame or white background between cells. The module blends well with dark roof tiles and standing seam metal roofing, and it can be installed on standard rail-mounting systems commonly used in Poland.
What does bifacial technology add to the TS-BB54 panel, and is it worth paying extra for?
Bifacial technology lets the module harvest additional energy from its rear side using light reflected off the surrounding surface. In practice this boosts yield, especially on light-colored roofs, white gravel, or ground-mounted installations elevated above the ground. On a typical dark pitched roof the effect is smaller but still measurable, so it's worth considering bifacial mainly for ground-mount and flat-roof installations.
What warranty comes with Sunova TS-BB54 panels?
The manufacturer offers a 25-year product warranty and a 25-year power output warranty, placing this series among modules with an extended coverage period compared to the standard 10-12 year product warranty offered by many competitors. This is a strong argument when choosing panels intended to run reliably for a quarter century.
How do the PERC cells in the TS-BB54 differ from newer TOPCon technology?
PERC cells, used in the TS-BB54 series, are a mature, proven technology offering a good price-to-efficiency ratio. TOPCon typically delivers higher efficiency and better high-temperature performance, but at a higher cost. Monocrystalline PERC with bifacial capability remains a solid choice for moderate-budget installations where the All Black look and predictable performance matter.
What's the maximum power output of the Sunova TS-BB54, and how many panels are needed for a typical 6 kWp system?
The highest-rated version in this series reaches 415 Wp. Building a system of roughly 6 kWp typically requires about 14-15 of these modules, depending on the exact inverter configuration and available roof area.
Who manufactures the Sunova TS-BB54 panels, and is it a Tier 1 producer?
TS-BB54 panels come from a manufacturer based in China, though the brand is not listed as Tier 1 under BloombergNEF's classification. This doesn't necessarily indicate lower technical quality, but it's worth reviewing warranty terms and the supplier's financial stability when choosing modules outside the Tier 1 group, especially for larger commercial installations.
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