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Trina Solar TSM-DE17M(II)-465W
Trina Solar Brand review

TSM-DE17M(II)-465W

465 Wp PERC
ComparePV verdict

Efficiency leader, no clear weak spot

Rank 10,512 of 14,129
Compare panels Datasheet PDF
Power (Wp)
465
Typical for its class
Efficiency (%)
21.30
Strong · top 10%
Density (Wp/m²)
212.7
Strong · top 11%
Temp (%/°C)
-0.340
Strong · top 19%
Weight (kg)
24.0
Typical · median 24.5 kg
Warranty (yrs)
25
Typical · median 25 yrs

Trina Solar's Tallmax Framed 144 Half-Cut Module series was designed for installations where predictable energy production and stable performance in challenging conditions are key considerations. The application of the 144 Half-Cut Layout effectively minimizes internal resistance losses and enhances module performance under partial shading - which is particularly relevant on roof systems with obstructions, ground-mounted rows, and areas where shade occurs seasonally. In practice, this translates to a lower system cost, as it simplifies the wiring design and BOS (Balance of System) optimization. A key feature of this series is its refined electrical architecture with a divided connector box, which helps reduce losses between module rows.

The Tallmax Framed 144 is an excellent choice for investors seeking high PID resistance and robustness against environmental conditions (e.g., humidity, dust, industrial atmospheres), while also wanting a proven, reliable frame structure that facilitates installation. This solution is particularly suitable for PV farms, commercial roofs, and larger residential systems, where long-term reliability and resilience to typical operational issues are paramount.

Ranking

452 panels in the segment PERC 450-500 W
Metric This panel Median Position in segment Overall rank
Module efficiency 21.30% 20.82% Strong · top 10% 8,585
Power density 212.7 208.5 Strong · top 11% 8,795
Temperature coefficient -0.340 -0.350 Strong · top 19% 8,846
Weight per kWp 51.6 53.1 Typical 5,010
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, commercial and shaded-installations.

Strengths
21.30% module efficiency

Top 10% of the PERC 450-500 W segment, against a median of 20.82%.

212.7 watts per square metre

Top 11% of the PERC 450-500 W segment, against a median of 208.5.

-0.340 %/°C temperature coefficient

Top 19% of the PERC 450-500 W segment, against a median of -0.350.

Notes from the database
  • At 21.3% efficiency, this panel is on par with typical PERC 450-500W modules
  • 212.7 W/m² power density - 4.2 W/m² more than PERC 450-500W median (208.5 W/m²), more power per roof area
  • At -0.34%/°C, hot weather performance is typical for PERC 450-500W panels
  • In the top 61% for efficiency among all PERC panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 465 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 21.30 % Strong Segment median 20.82%
Vmpp · Impp 41.80 V · 11.14 A Operating point at max power
Voc · Isc 50.00 V · 11.69 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2102×1040×35 mm · 2.19 m² of roof
Weight 24.0 kg Typical Typical · median 24.5 kg
Cells 144 · PERC Monocrystalline
Coefficient Pmax -0.340 %/°C Strong top 19% of its segment
Coefficient Voc · Isc -0.250 · 0.040 %/°C
NOCT 43 °C At 800 W/m², 20 °C ambient
Product warranty 12 years Hardware defects only
Performance warranty 25 years Typical median 25 yrs · median 25 yrs
End-of-warranty output 84.8 % Equals 382 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 465 Wp appear here. The rest cover the whole series.

Performance Warranty 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-DE17M(II)-465W 465 W 21.30% -0.340 24.0 kg You are here
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg Cooler, +3.7 pp, +5 yr warranty
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg Cooler, +3.5 pp, +5 yr warranty
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg Cooler, +3.4 pp, +5 yr warranty
WST-505BKX54-A2 505 W 24.70% -0.260 25.0 kg Cooler, +3.4 pp, +5 yr warranty
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg Cooler, +3.2 pp, +5 yr warranty
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg Cooler, +3.2 pp, +5 yr warranty
CIPRO-TN9C54M-500W 500 W 24.50% -0.260 21.4 kg Cooler, +3.2 pp, +5 yr warranty
TSM-DE17M(II)-435W 435 W 19.90% -0.340 24.0 kg -30 W, -1.4 pp
TSM-DE17M(II)-440W 440 W 20.10% -0.340 24.0 kg -25 W, -1.2 pp
TSM-DE17M(II)-445W 445 W 20.40% -0.340 24.0 kg -20 W, -0.9 pp
TSM-DE17M(II)-450W 450 W 20.60% -0.340 24.0 kg -15 W, -0.7 pp
TSM-DE17M(II)-455W 455 W 20.80% -0.340 24.0 kg -10 W, -0.5 pp
TSM-DE17M(II)-460W 460 W 21.00% -0.340 24.0 kg -0.3 pp
GKA120N-PRO-590W 590 W 23.82% -0.300 26.7 kg +125 W, +2.5 pp, +5 yr warranty
GKA120N-PRO-585W 585 W 23.62% -0.300 26.7 kg +120 W, +2.3 pp, +5 yr warranty
BGO 580 580 W 23.50% -0.290 26.0 kg +115 W, cooler, +2.2 pp

Found 289 panels of the same or similar size to this one, within ±10 mm. See them here Found 325 panels of the same or similar size to this one, within ±25 mm. See them here Found 352 panels of the same or similar size to this one, within ±50 mm. See them here Found 1050 panels of the same or similar size to this one, within ±100 mm. See them here

About the Tallmax Framed 144 Layout Module series

6 answered

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

Is the Trina Solar Tallmax Framed 144 Layout Module series still available for purchase?
The Tallmax Framed 144 Layout Module series has been discontinued by Trina Solar and is no longer in active production. Availability is limited to remaining distributor stock, and once that runs out, new units will no longer be obtainable. Customers planning to expand an existing installation based on this series should consider purchasing spare modules in advance to avoid compatibility issues down the line.
What warranty comes with the 465 Wp Tallmax Framed 144 panels?
Trina Solar backs this series with a 12-year product warranty covering material and workmanship defects, plus a 25-year linear power performance warranty. This is standard for a Tier 1 manufacturer and gives investors confidence in long-term returns, even though the series itself is no longer in production.
What does the 144 half-cut layout in the Tallmax Framed panel mean, and what are its benefits?
The 144 half-cut layout splits standard PERC cells in half, reducing current through each cell and lowering resistive losses. In practice, this makes the panel more resilient to partial shading, such as from chimneys, roof dormers, or neighboring rows in ground-mount arrays, since shading one half-cell has a smaller impact on overall module output.
Is the Tallmax Framed 144 suitable for harsh environmental conditions like high humidity or dust?
Yes, the series is engineered for high resistance to PID (Potential Induced Degradation) as well as environmental stressors such as moisture, dust, and industrial atmospheres. This makes it well suited for PV farms, commercial rooftops, and locations with elevated corrosion or soiling risk, where long-term production stability is critical.
How does the split junction box on the Tallmax Framed differ from a standard design?
The split junction box divides the module's electrical circuit into independent sections, reducing power losses transferred between series-connected panel rows. This results in slightly higher system-level energy efficiency and gives system designers more flexibility when planning wiring layouts and optimizing balance-of-system (BOS) costs.
Is the Tallmax Framed 144 bifacial, and is it suitable for a pitched roof?
No, this series uses a classic monofacial PERC cell design in a traditional framed construction, without additional rear-side energy generation. The proven framed build makes it easy to install both on pitched residential roofs and on larger commercial or ground-mount PV installations, where simplicity and mounting reliability matter most.
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