--- title: "Trina Solar TSM-DE09R.05-425 Solar Panel: Specs & Datasheet | ComparePV" description: "Trina Solar TSM-DE09R.05-425 solar panel. Specs: 21.30% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/trina-solar-tsm-de09r-05-425" image: "https://comparepv.com/og/panel/trina-solar-tsm-de09r-05-425.png" updated: 2026-09-11 --- # Trina Solar TSM-DE09R.05-425 Space saver, no clear weak spot 954 panels in the segment PERC 400-450 W ## Identity - **Manufacturer:** Trina Solar - **Model:** TSM-DE09R.05-425 - **Series:** Vertex S - **Rated power:** 425 W - **Cell technology:** PERC ## How it compares Compared against segment PERC 400-450 W (954 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 425 W | 410 W | Typical | | | 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 (kg) | 21.8 kg | 22.0 kg | Typical | | | Performance warranty | 25 yrs | 25 yrs | Typical | 9,912 | ### Full peer table | Measure | This panel | Segment median | Standing | 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 | ### 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. - **Best for:** Residential and commercial. ## Specification ### Electrical - **Rated power (Pmax):** 425 W - **Efficiency:** 21.30 % - **Voltage at Pmax (Vmp):** 42.20 V - **Current at Pmax (Imp):** 10.08 A - **Open-circuit voltage (Voc):** 50.20 V - **Short-circuit current (Isc):** 10.61 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.340 %/degC - **Temperature coefficient of Voc:** -0.250 %/degC - **Temperature coefficient of Isc:** 0.040 %/degC - **NOCT:** 43 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** PERC - **Cell count:** 144 ### Physical - **Length:** 1762 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 21.8 kg - **Area:** 2.00 m2 - **Power density:** 212.7 Wp/m2 ### Warranty and degradation - **Product warranty:** 15 years - **Performance warranty:** 25 years - **Output guaranteed at end of warranty:** 84.8 % - **First-year degradation:** 2.00 % - **Annual degradation:** 0.55 % - **Output after 30 years:** 349 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 8585 of 14129 | | Power density | 8800 of 14129 | | Temperature coefficient | 8846 of 14129 | | Weight | 4701 of 14129 | | Warranty | 9912 of 14129 | ## About this series 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. ## Notable figures - 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 ## Questions ### 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. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/DT-M-0035-A-Datasheet-VertexS-DE09R05-EN-2022-A-print-aabab61eb95f.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Maxeon SPR-MAX7-475](https://comparepv.com/panel/maxeon-spr-max7-475) | 475 W | Cooler, +2.7 pp, +15 yr warranty | | [Just Solar JST-EDMH-(445-465)W-TD (465W class)](https://comparepv.com/panel/just-solar-jst-edmh-445-465-w-td-465w-class) | 465 W | Cooler, +2.5 pp, +5 yr warranty | | [JA Solar JAT54S40-475/LR](https://comparepv.com/panel/ja-solar-jat54s40-475-lr) | 475 W | +50 W, cooler, +2.5 pp | | [Tongwei TWMNH-48HW475](https://comparepv.com/panel/tongwei-solar-twmnh-48hw475) | 475 W | +50 W, cooler, +2.5 pp | | [Astronergy CHSM48RN(DG)/F-BH-475](https://comparepv.com/panel/astronergy-chint-new-energy-technology-co-ltd-chsm48rn-dg-f-bh-475) | 475 W | +50 W, cooler, +2.5 pp | | [AIKO AIKO-A475-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a475-mce54mw) | 475 W | +50 W, cooler, +2.5 pp | | [AIKO AIKO-A475-MAH54Mw](https://comparepv.com/panel/aiko-aiko-a475-mah54mw) | 475 W | +50 W, cooler, +2.5 pp | | [Trina Solar TSM-DE09R.05-405](https://comparepv.com/panel/trina-solar-tsm-de09r-05-405) | 405 W | -20 W, -1.0 pp | | [Trina Solar TSM-DE09R.05-410](https://comparepv.com/panel/trina-solar-tsm-de09r-05-410) | 410 W | -15 W, -0.8 pp | | [Trina Solar TSM-DE09R-415](https://comparepv.com/panel/trina-solar-tsm-de09r-415) | 415 W | -10 W, -0.5 pp | | [Trina Solar TSM-DE09R.08-420](https://comparepv.com/panel/trina-solar-tsm-de09r-08-420) | 420 W | -0.3 pp | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | +85 W, cooler, +3.7 pp | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | +70 W, cooler, +3.5 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | +80 W, cooler, +3.4 pp | | [WINAICO WST-505BKX54-A2](https://comparepv.com/panel/winaico-wst-505bkx54-a2) | 505 W | +80 W, cooler, +3.4 pp | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | +65 W, cooler, +3.2 pp | --- Source: https://comparepv.com/panel/trina-solar-tsm-de09r-05-425 Not in this file, on the page: the I-V and temperature curves lifted from the manufacturer's datasheet, a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.