Skip to main content
Trina Solar TSM-DE09R.05-405
Trina Solar Brand review

TSM-DE09R.05-405

405 Wp PERC
ComparePV verdict

Strong in heat, needs the roof space

Rank 11,861 of 14,005
Compare panels Datasheet PDF
Power (Wp)
405
Typical for its class
Efficiency (%)
20.30
Weak · bottom 23%
Density (Wp/m²)
202.7
Weak · bottom 22%
Temp (%/°C)
-0.340
Strong · top 24%
Weight (kg)
21.8
Typical · median 22.0 kg
Warranty (yrs)
25
Typical · median 25 yrs

The Trina Solar Vertex S series was designed to extract maximum energy from standard roofs - without resorting to non-standard installation structures. The key lies in the waffle-pack 210-based platform and advanced high-density cell interconnection technology, enabling higher module power output while maintaining a manageable format. In practice, this means easier adaptation to limited roof space and faster installation, especially when logistics, weight, and crew safety are key factors.

The Vertex S series also stands out for its approach to durability - selected variants feature dual-glass construction, which better withstands humidity, salinity, and aggressive environments, while also supporting longer-term parameter stability. Newer versions of the series incorporate n-type i-TOPCon technology, valued for its lower degradation rate and higher yield over the long term. For investors prioritizing aesthetics, a full-black version with a cohesive look is available.

This is an excellent choice for homes, commercial micro-installations, and rooftops where competing panels often lose out on size, durability, or compatibility.

Ranking

954 panels in the segment PERC 400-450 W
Metric This panel Median Position in segment Overall rank
Module efficiency 20.30% 20.60% Weak · bottom 23% 11,769
Power density 202.7 206.2 Weak · bottom 22% 11,832
Temperature coefficient -0.340 -0.350 Strong · top 24% 8,778
Weight per kWp 53.8 53.0 Typical 7,890
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 · 2 caution
Best for

Residential and commercial.

Not ideal for

Roofs where every square metre has to count and tight roof space.

Strengths
-0.340 %/°C temperature coefficient

Top 24% of the PERC 400-450 W segment, against a median of -0.350.

Watch-outs
202.7 watts per square metre

Bottom 22% of the PERC 400-450 W segment, against a median of 206.2.

20.30% module efficiency

Bottom 23% of the PERC 400-450 W segment, against a median of 20.60%.

Notes from the database
  • At 20.3% efficiency, this panel is on par with typical PERC 400-450W modules
  • At 202.7 W/m², this panel generates 3.5 W/m² less per unit area than PERC 400-450W median (206.2 W/m²)
  • Temperature coefficient of -0.34%/°C matches the PERC 400-450W median
  • Ranked #11769 out of 14005 panels for efficiency in the database

Specifications

Open datasheet PDF
Nominal power (Pmax) 405 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 20.30 % Weak Segment median 20.60%
Vmpp · Impp 41.30 V · 9.82 A Operating point at max power
Voc · Isc 49.70 V · 10.50 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1762×1134×30 mm · 2.00 m² of roof
Weight 21.8 kg Typical Typical · median 22.0 kg
Cells 144 · PERC Monocrystalline
Coefficient Pmax -0.340 %/°C Strong top 24% of its segment
Coefficient Voc · Isc -0.250 · 0.040 %/°C
NOCT 43 °C At 800 W/m², 20 °C ambient
Product warranty 15 years Hardware defects only
Performance warranty 25 years Typical median 25 yrs · median 25 yrs
End-of-warranty output 84.8 % Equals 332 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
-

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

Heat losses
-0.340 %/°C against a segment median of -0.350
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Trina Solar TSM-DE09R.05-405 405 W 20.30% -0.340 21.8 kg You are here
AIKO-455-MAH54Db 455 W 23.30% -0.260 24.0 kg +50 W, cooler, +3.0 pp
LR5-54HTH-455M 455 W 23.30% -0.290 20.8 kg +50 W, cooler, +3.0 pp
YL455CF54 e/2 455 W 23.30% -0.290 20.3 kg +50 W, cooler, +3.0 pp
ESM-455T 455 W 23.30% -0.310 21.0 kg +50 W, +3.0 pp, +5 yr warranty
SE5-54HBC-455W 455 W 23.30% -0.290 20.8 kg +50 W, cooler, +3.0 pp
JST-EDMH-(445-465)W-TD (455W class) 455 W 23.30% -0.300 20.5 kg +50 W, +3.0 pp, +5 yr warranty
LX-455M/182R-96+ GG 455 W 23.30% -0.260 23.5 kg +50 W, cooler, +3.0 pp
TSM-DE09R.05-410 410 W 20.50% -0.340 21.8 kg Very close match
TSM-DE09R-415 415 W 20.80% -0.340 21.8 kg +10 W, +0.5 pp
TSM-DE09R.08-420 420 W 21.00% -0.340 21.8 kg +15 W, +0.7 pp
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +105 W, cooler, +4.7 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +90 W, cooler, +4.5 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +100 W, cooler, +4.4 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +85 W, cooler, +4.2 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg +95 W, cooler, +4.2 pp
CIPRO-TN9C54M-500W 500 W 24.50% -0.260 21.4 kg +95 W, cooler, +4.2 pp

Found 1395 panels of the same or similar size to this one, within ±10 mm. See them here Found 1425 panels of the same or similar size to this one, within ±25 mm. See them here Found 3614 panels of the same or similar size to this one, within ±50 mm. See them here Found 3962 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
How much power does a Trina Solar Vertex S series panel produce?
Panels in the Vertex S series reach a maximum power output of up to 425 Wp. This is achieved through a platform based on 210 mm wafers and high-density cell interconnection, delivering high wattage without increasing module dimensions. This makes the panel well suited for both residential installations and small commercial arrays where the power-to-roof-area ratio matters.
What warranty comes with Trina Solar Vertex S panels?
The manufacturer provides a 15-year product warranty covering material and workmanship defects, along with a 25-year power warranty guaranteeing sustained performance over the module's lifetime. This is a standard offering from tier 1 manufacturers, a category that includes Trina Solar, one of the largest global PV module producers.
How does the PERC technology in Vertex S differ from newer n-type panels?
PERC cells in Vertex S use an additional rear passivation layer that improves light capture and boosts efficiency compared to conventional monocrystalline cells. Newer variants of the series, built on n-type i-TOPCon technology, offer even lower annual degradation and higher long-term energy yield, but PERC remains a proven, more affordable option with a solid price-to-performance ratio.
Is the Vertex S panel bifacial?
No, this Vertex S variant is a monofacial panel, optimized for standard mounting on pitched and flat roofs where generating energy from the rear side would provide no additional benefit. This makes it simpler to install and typically more affordable than bifacial versions, while still delivering high unit power output.
What type of roof is Vertex S best suited for?
Vertex S was designed for typical sloped roofs, prioritizing a compact form factor and easy installation without requiring non-standard mounting structures. Its manageable size and moderate weight make it easier to transport across the roof and install, making the series a good fit for single-family homes and small commercial installations with limited roof space.
Is a full black version of Vertex S available?
Yes, full black variants are available, featuring a uniform black frame, backsheet, and cells. This option is popular among installers and homeowners who prioritize a consistent, sleek visual appearance, particularly for street-facing roof installations, without having to sacrifice high module power output.
Add to compare