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Trina Solar TSM-DE09R.05-425
Trina Solar Brand review

TSM-DE09R.05-425

425 Wp PERC
ComparePV verdict

Space saver, no clear weak spot

Rank 10,948 of 14,129
Compare panels Datasheet PDF
Power (Wp)
425
Typical for its class
Efficiency (%)
21.30
Strong · top 8%
Density (Wp/m²)
212.7
Strong · top 8%
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 21.30% 20.60% Strong · top 8% 8,585
Power density 212.7 206.2 Strong · top 8% 8,800
Temperature coefficient -0.340 -0.350 Strong · top 24% 8,846
Weight per kWp 51.3 53.0 Typical 4,701
Performance warranty 25 yrs 25 yrs Typical 9,912
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

3 positive · 0 caution
Best for

Residential and commercial.

Strengths
212.7 watts per square metre

Top 8% of the PERC 400-450 W segment, against a median of 206.2. Ranked 8,800th in the whole database.

21.30% module efficiency

Top 8% of the PERC 400-450 W segment, against a median of 20.60%. Ranked 8,585th in the whole database.

-0.340 %/°C temperature coefficient

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

Notes from the database
  • At 21.3% efficiency, this panel is 0.7pp above typical PERC 400-450W modules (median: 20.6%)
  • 212.7 W/m² power density - 6.5 W/m² more than PERC 400-450W median (206.2 W/m²), more power per roof area
  • Temperature coefficient of -0.34%/°C matches the PERC 400-450W median
  • Ranked #8585 out of 14129 panels for efficiency in the database

Specifications

Open datasheet PDF
Nominal power (Pmax) 425 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 21.30 % Strong Segment median 20.60%
Vmpp · Impp 42.20 V · 10.08 A Operating point at max power
Voc · Isc 50.20 V · 10.61 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 349 W guaranteed
Degradation 2.00 → 0.55 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by Trina Solar in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 425 Wp appear here. The rest cover the whole series.

Trina Solar's Backsheet Performance Warranty Trina Solar's Backsheet Performance Warranty 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
-

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.05-425 425 W 21.30% -0.340 21.8 kg You are here
SPR-MAX7-475 475 W 24.00% -0.270 21.1 kg Cooler, +2.7 pp, +15 yr warranty
JST-EDMH-(445-465)W-TD (465W class) 465 W 23.81% -0.300 20.5 kg Cooler, +2.5 pp, +5 yr warranty
JAT54S40-475/LR 475 W 23.80% -0.260 19.3 kg +50 W, cooler, +2.5 pp
TWMNH-48HW475 475 W 23.80% -0.280 23.7 kg +50 W, cooler, +2.5 pp
CHSM48RN(DG)/F-BH-475 475 W 23.80% -0.290 24.5 kg +50 W, cooler, +2.5 pp
AIKO-A475-MCE54Mw 475 W 23.80% -0.260 21.0 kg +50 W, cooler, +2.5 pp
AIKO-A475-MAH54Mw 475 W 23.80% -0.260 21.5 kg +50 W, cooler, +2.5 pp
TSM-DE09R.05-405 405 W 20.30% -0.340 21.8 kg -20 W, -1.0 pp
TSM-DE09R.05-410 410 W 20.50% -0.340 21.8 kg -15 W, -0.8 pp
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 -0.3 pp
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +85 W, cooler, +3.7 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +70 W, cooler, +3.5 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +80 W, cooler, +3.4 pp
WST-505BKX54-A2 505 W 24.70% -0.260 25.0 kg +80 W, cooler, +3.4 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +65 W, cooler, +3.2 pp

Found 1402 panels of the same or similar size to this one, within ±10 mm. See them here Found 1432 panels of the same or similar size to this one, within ±25 mm. See them here Found 3651 panels of the same or similar size to this one, within ±50 mm. See them here Found 3999 panels of the same or similar size to this one, within ±100 mm. See them here

About the Vertex S series

6 answered

These answers cover the whole series. Where a figure differs, the specification above is this module's own.

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.
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