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Sunova Brand review

TS-BG54(400)

400 Wp PERC Bifacial 70%
ComparePV verdict

Strong in heat, heavy for its output

Rank 11,339 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)
24.2
Weak · 2.2 kg above median
Warranty (yrs)
30
Strong · top 17%

The Sunova TS-BG54 series is designed for installations where stable energy production is crucial, even under less-than-ideal sunlight conditions and at higher temperatures. The modules utilize a bifacial design, enabling them to generate additional energy from the rear side as well - a significant advantage on bright roofs, membranes, and ground-mounted structures with appropriate ground cover. The use of half-cut cells improves performance under partial shading and reduces losses during daily operation, which will be appreciated by homeowners and small businesses.

Compared to many panels in this class, the TS-BG54 stands out with its double-glass design, which increases resistance to weather conditions and micro-cracks, as well as supports the long-term stability of performance parameters. The black-aesthetic versions are an added advantage for projects where appearance is important - without compromising functionality. This is a good choice for those seeking higher yields and predictable performance from their installations over many years.

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 60.5 53.0 Weak · bottom 10% 12,476
Performance warranty 30 yrs 25 yrs Strong · top 17% 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

2 positive · 1 caution
Best for

Residential, commercial and shaded-installations.

Not ideal for

Weight-limited structures.

Strengths
-0.330 %/°C temperature coefficient

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

30 year performance warranty

Top 17% of the PERC 400-450 W segment, against a median of 25 yrs.

Watch-outs
60.5 kg per kWp

Bottom 10% of the PERC 400-450 W segment, against a median of 53.0. Ranked 12,476th in the whole database.

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
  • Temperature coefficient of -0.33%/°C matches the PERC 400-450W median
  • At 24.2 kg, this panel is 2.2 kg heavier than the PERC 400-450W median (22.0 kg) - more demanding for installation crews
  • 70% bifaciality enables rear-side power generation, boosting yield by 4-10% on reflective surfaces

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 24.2 kg Weak Weak · 2.2 kg above median
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 15 years Hardware defects only
Performance warranty 30 years Strong top 17% · median 25 yrs
End-of-warranty output 85.0 % Equals 340 W guaranteed
Degradation 2.00 → 0.45 % 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-BG54(400) 400 W 20.48% -0.330 24.2 kg You are here
LX-440M/182-108+GG 440 W 23.07% -0.240 23.6 kg +40 W, cooler, +2.6 pp
JST-EDMH-(445-465)W-TD (450W class) 450 W 23.05% -0.300 20.5 kg +50 W, lighter, +2.6 pp
QNN182-HG450-54 450 W 23.04% -0.290 24.0 kg +50 W, cooler, +2.6 pp
HY440-N108BDD 450 W 23.04% -0.300 23.5 kg +50 W, cooler, +2.6 pp
NLBK-27-450 450 W 23.04% -0.300 22.9 kg +50 W, cooler, +2.6 pp
RS41-450NBG-E3 450 W 23.04% -0.290 24.5 kg +50 W, cooler, +2.6 pp
TS-BG54(405)-X 405 W 20.74% -0.330 24.2 kg +0.3 pp
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-BG54 panels still available for purchase?
The Sunova TS-BG54 series has been discontinued and replaced by newer models from the manufacturer. Panels may still be available from distributors as remaining stock, so it's worth checking current inventory beforehand and confirming that the manufacturer's warranty still applies despite the series being discontinued.
What are the practical benefits of the bifacial design in TS-BG54 panels?
Thanks to the bifacial construction, the module captures additional energy reflected from the ground surface onto the rear side of the cells. The biggest gain, up to a few percent above standard output, is achieved on light-colored roofs, EPDM membranes, and ground-mounted systems with high-albedo surfaces such as light gravel or grass.
What warranty comes with Sunova TS-BG54 panels?
The manufacturer provides a 15-year product warranty and a 30-year linear power output warranty. Although the TS-BG54 series has been discontinued, warranty terms remain valid for panels already purchased and installed, so it's important to keep the invoice and product datasheet.
How does the PERC technology in TS-BG54 differ from newer TOPCon cells?
PERC cells used in the TS-BG54 have slightly lower efficiency and a less favorable temperature coefficient than newer TOPCon or HJT cells, but they are a proven, mature technology with stable long-term performance. The panel still reaches up to 415 Wp of maximum power, a solid result for residential and small commercial installations.
Do TS-BG54 panels perform well under partial shading, such as from a chimney?
Yes, the half-cut cell layout limits output loss when part of the module is shaded. By splitting the panel into smaller segments, current generated by the unshaded portion is used more efficiently, reducing losses compared to standard full-size cell panels.
Is Sunova a tier 1 manufacturer and where is it based?
Sunova is not listed as a tier 1 manufacturer under the Bloomberg NEF classification, although it is an established Chinese manufacturer with a solid position in the renewable energy market. This is worth considering when arranging financing or insurance, as some banks and insurers prefer tier 1 brands only.
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