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Sunova Brand review

TS-BGT54(505)-G11

505 Wp N-type Bifacial 80%
ComparePV verdict

Middle of its segment, heavy for its output

Rank 6,192 of 14,005
Compare panels Datasheet PDF
Power (Wp)
505
Weak · bottom 21%
Efficiency (%)
22.70
Typical · median 22.54%
Density (Wp/m²)
227.1
Typical · median 225.3
Temp (%/°C)
-0.290
Typical · median -0.290
Weight (kg)
27.5
Weak · 1.3 kg above median
Warranty (yrs)
30
Typical · median 30 yrs

The Sunova Tangra M Pro HD series redefines performance standards by utilizing advanced N-type cells in TOPCon technology. This solution effectively eliminates the LID effect and significantly slows down module degradation over time, guaranteeing stable energy yields for decades. The Double Glass construction ensures extreme resistance to external factors such as moisture or mechanical loads, making this line an ideal choice for demanding industrial projects and photovoltaic farms. A key distinguishing feature of the series is its high power density (HD), which allows for maximum utilization of the available mounting area while reducing system and cabling costs. These modules perform excellently in low-light conditions, and their bifacial design allows for a significant additional energy gain from radiation reflected from the ground. Sunova Tangra M Pro HD effectively solves the problem of limited space, offering parameters that until recently were reserved exclusively for the luxury segment. It is a product dedicated to investors seeking uncompromising reliability and the lowest levelized cost of energy (LCOE) throughout the entire installation lifecycle. Thanks to an innovative approach to cell architecture, this series distances itself from the competition, especially in terms of operating stability at high temperatures.

Ranking

140 panels in the segment N-type 500-550 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.70% 22.54% Typical 3,307
Power density 227.1 225.3 Typical 3,312
Temperature coefficient -0.290 -0.290 Typical 2,165
Weight per kWp 54.5 50.0 Weak · bottom 19% 8,802
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 · 1 caution
Best for

Commercial and hot-climate.

Not ideal for

Weight-limited structures.

Watch-outs
54.5 kg per kWp

Bottom 19% of the N-type 500-550 W segment, against a median of 50.0.

Notes from the database
  • At 22.7% efficiency, this panel is on par with typical N-type 500-550W modules
  • At 227.1 W/m² power density, roof space requirements are typical for N-type 500-550W panels
  • Temperature coefficient of -0.29%/°C matches the N-type 500-550W median
  • At 27.5 kg (1.3 kg above N-type 500-550W median of 26.2 kg), requires checking roof load capacity
  • 80% bifaciality enables rear-side power generation, boosting yield by 4-12% on reflective surfaces

Specifications

Open datasheet PDF
Nominal power (Pmax) 505 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.70 % Typical Segment median 22.54%
Vmpp · Impp 33.50 V · 15.08 A Operating point at max power
Voc · Isc 40.40 V · 15.89 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 27.5 kg Weak Weak · 1.3 kg above median
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 441 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 505 Wp appear here. The rest cover the whole series.

Linear Performance Warranty Linear Performance Warranty Whole series Current-Voltage & Power-Voltage Curves (505W) Current-Voltage & Power-Voltage Curves (505W) 505 W 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-BGT54(505)-G11 505 W 22.70% -0.290 27.5 kg You are here
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg Cooler, lighter, +2.3 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg Cooler, lighter, +2.1 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg Cooler, lighter, +2.0 pp
LR7-60HVH-555M 555 W 24.60% -0.260 25.0 kg +50 W, cooler, +1.9 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg Cooler, lighter, +1.8 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg Cooler, lighter, +1.8 pp
TS-BBT54(485)-G11 485 W 21.80% -0.290 24.0 kg -20 W, lighter, -0.9 pp
TS-BBT54(490)-G11 490 W 22.00% -0.290 24.0 kg -15 W, lighter, -0.7 pp
TS-BBT54(495)-G11 495 W 22.30% -0.290 24.0 kg -10 W, lighter, -0.4 pp
TS-BBT54(500)-G11 500 W 22.50% -0.290 24.0 kg Lighter
LR7-60HVH-560M 560 W 24.80% -0.260 25.0 kg +55 W, cooler, +2.1 pp
LR7-60HVHL-550M 550 W 24.40% -0.260 16.3 kg +45 W, lighter, +1.7 pp
JAT60S40-540/LR 540 W 24.40% -0.260 23.5 kg +35 W, lighter, +1.7 pp
GK-5-60HG-540M 540 W 24.40% -0.260 23.3 kg +35 W, lighter, +1.7 pp
JKM545-54QL6-DV-F1-EU 545 W 24.27% -0.260 27.5 kg +40 W, cooler, +1.6 pp
LR7-60HVH-545M 545 W 24.20% -0.260 25.0 kg +40 W, cooler, +1.5 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 N-type TOPCon technology in the Sunova Tangra M Pro HD differ from classic P-type panels?
The N-type TOPCon cells used in the Tangra M Pro HD offer significantly lower initial degradation (no LID effect) and a slower power decline over the years compared to traditional P-type cells. They also handle high operating temperatures better, resulting in more stable energy yields on hot days and a lower LCOE over the system's lifetime.
What warranty comes with the Sunova Tangra M Pro HD panels?
The manufacturer provides a 15-year product warranty covering material and workmanship defects, along with a 30-year linear power output warranty. This means that after 30 years of operation, the panel should still deliver a guaranteed percentage of its nominal power, making this series appealing for long-term investment horizons.
Does the bifacial design of the Tangra M Pro HD actually increase energy production?
Yes, the bifacial construction allows the rear side of the module to capture light reflected off the ground, roof, or surrounding surfaces. Depending on the albedo of the mounting surface (e.g., light gravel, white roofing, snow), the additional energy gain can range from a few to over ten percent compared to a monofacial module of the same 505 Wp rated power.
What type of installations is the Sunova Tangra M Pro HD series best suited for?
Thanks to its Double Glass construction and high power density (HD), this series is designed primarily for large-scale solar farms and industrial installations, where maximizing available mounting space and withstanding harsh weather conditions matter most. The 505 Wp output combined with compact dimensions allows fewer modules to be used, reducing racking and cabling costs.
Is Sunova a Tier 1 manufacturer, and does that matter when choosing solar panels?
Sunova, headquartered in China, is not currently listed as a Tier 1 manufacturer under the Bloomberg NEF classification, which mainly reflects bank financing scale rather than technical quality. That said, it's worth verifying the local distributor, availability of warranty service, and certifications (IEC, TÜV) that confirm compliance with safety and quality standards before purchase.
How does the Double Glass construction improve durability of the Tangra M Pro HD compared to standard backsheet modules?
Double glass instead of a rear backsheet significantly increases the module's resistance to moisture, micro-cracks, and mechanical loads such as snow or wind, which is especially important for large ground-mounted installations exposed to harsh weather. This design also reduces the risk of laminate degradation over time, supporting the declared 30-year power warranty.
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