--- title: "Trina Solar TSM-DE18M(II)-510 Solar Panel: Specs & Datasheet | ComparePV" description: "Trina Solar TSM-DE18M(II)-510 solar panel. Specs: 21.20% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/trina-solar-tsm-de18m-ii-510" image: "https://comparepv.com/og/panel/trina-solar-tsm-de18m-ii-510.png" updated: 2026-09-11 --- # Trina Solar TSM-DE18M(II)-510 Space saver, short guarantee 709 panels in the segment PERC 500-550 W ## Identity - **Manufacturer:** Trina Solar - **Model:** TSM-DE18M(II)-510 - **Series:** Vertex Backsheet Monocrystalline Module - **Rated power:** 510 W - **Cell technology:** PERC ## How it compares Compared against segment PERC 500-550 W (709 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 510 W | 535 W | Weak - bottom 15% | | | Module efficiency | 21.20% | 20.90% | Strong - top 9% | 9,145 | | Power density | 211.6 | 209.0 | Strong - top 9% | 9,254 | | Temperature coefficient | -0.340 | -0.350 | Strong - top 23% | 8,846 | | Weight (kg) | 26.3 kg | 28.3 kg | Typical | | | Performance warranty | 25 yrs | 30 yrs | Weak - bottom 22% | 9,912 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 21.20% | 20.90% | Strong - top 9% | 9,145 | | Power density | 211.6 | 209.0 | Strong - top 9% | 9,254 | | Temperature coefficient | -0.340 | -0.350 | Strong - top 23% | 8,846 | | Weight per kWp | 51.6 | 53.0 | Typical | 4,978 | | Performance warranty | 25 yrs | 30 yrs | Weak - bottom 22% | 9,912 | ### Strengths - **211.6 watts per square metre** - Top 9% of the PERC 500-550 W segment, against a median of 209.0. Ranked 9,254th in the whole database. - **21.20% module efficiency** - Top 9% of the PERC 500-550 W segment, against a median of 20.90%. Ranked 9,145th in the whole database. - **-0.340 %/°C temperature coefficient** - Top 23% of the PERC 500-550 W segment, against a median of -0.350. ### Watch out for - **25 year performance warranty** - Bottom 22% of the PERC 500-550 W segment, against a median of 30 yrs. - **Best for:** Commercial, utility-scale and shaded-installations. - **Not ideal for:** Owners who want a long output guarantee. ## Specification ### Electrical - **Rated power (Pmax):** 510 W - **Efficiency:** 21.20 % - **Voltage at Pmax (Vmp):** 43.20 V - **Current at Pmax (Imp):** 11.81 A - **Open-circuit voltage (Voc):** 52.10 V - **Short-circuit current (Isc):** 12.42 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:** 150 ### Physical - **Length:** 2187 mm - **Width:** 1102 mm - **Thickness:** 35 mm - **Weight:** 26.3 kg - **Area:** 2.41 m2 - **Power density:** 211.6 Wp/m2 ### Warranty and degradation - **Product warranty:** 12 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:** 418 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 9145 of 14129 | | Power density | 9254 of 14129 | | Temperature coefficient | 8846 of 14129 | | Weight | 4978 of 14129 | | Warranty | 9912 of 14129 | ## About this series Trina Solar's Vertex Backsheet Monocrystalline Module series is designed to deliver high efficiency while simultaneously minimizing construction and cabling costs. Central to this is the platform featuring 210 mm silicon wafers, along with technologies that genuinely boost performance-such as **multi-busbar**, **non-destructive cell cutting**, and **high-density interconnect**. These features enhance module performance under partial shading and minimize losses from micro-cracks. In practice, the Vertex backsheet module helps solve the frequent problem investors face: how to increase power and yield without complicating the design. Its optimized low-voltage architecture enables longer strings and higher string power, simplifying the design and potentially reducing BOS costs. This is an excellent solution for PV farms, large industrial roofs, and projects where fast installation, repeatability, and **high long-term reliability** are key-without needing to resort to heavier dual-glass structures. ## Notable figures - Efficiency of 21.2% matches the \*\*PERC 500-550W\*\* median - At 211.6 W/m² power density, roof space requirements are typical for \*\*PERC 500-550W\*\* panels - At -0.34%/°C, hot weather performance is typical for \*\*PERC 500-550W\*\* panels - Weight of 26.3 kg (2.0 kg below \*\*PERC 500-550W\*\* median of 28.3 kg) allows easier transport and roof mounting - In the top 65% for efficiency among all PERC panels ## Questions ### What is the maximum power output of the Trina Solar Vertex Backsheet Monocrystalline Module panels? The series offers modules with up to 510 Wp, built on monocrystalline PERC cells cut from 210 mm silicon wafers. High yield is achieved through multi-busbar technology and non-destructive cell cutting, which reduce microcracks and power loss. As a result, a single panel generates more energy from the same roof or ground area than older designs based on smaller wafers. ### How many years of warranty does the 510 W Vertex Backsheet panel come with? Trina Solar provides a 12-year product warranty and a 25-year power output warranty, which is standard for premium-class modules. The power warranty guarantees the panel still delivers a specified percentage of its initial output after 25 years. This is a key parameter when calculating installation profitability, as it directly affects the projected LCOE of the project. ### Is the Vertex Backsheet Monocrystalline Module a bifacial panel? No, this version is monofacial - the rear backsheet, instead of glass, means the panel cannot capture light reflected from the ground. This is a deliberate trade-off: the construction is lighter and cheaper to install than dual-glass bifacial modules, at the cost of missing the extra yield from the rear side. If maximizing yield over a highly reflective surface is a priority, a bifacial Vertex variant is worth considering. ### Is this series suitable for large industrial roofs and utility-scale PV farms? Yes, this is one of the series' main applications. The low-voltage architecture allows for longer strings and higher power per string, simplifying the electrical design and lowering BoS costs for cabling and mounting structures. Combined with a high unit power of 510 Wp and a lightweight backsheet construction, this reduces the number of panels needed and speeds up installation on large surfaces. ### Is Trina Solar a Tier 1 manufacturer, and does that matter when choosing panels? Yes, Trina Solar is a Chinese manufacturer with Tier 1 status, meaning financial stability, in-house factories, and a documented track record of large-scale deliveries. This matters for project financing - banks and leasing companies are more willing to fund installations using Tier 1 panels, as it minimizes the risk of warranty issues should the manufacturer face financial trouble. ### How do Vertex Backsheet panels perform in cold winter temperatures? The PERC cells used in this series have a favorable power temperature coefficient, so the panel loses less efficiency in cold conditions than in extreme heat - in practice, PV modules often perform even better on cold, sunny winter days than during very hot summer days. However, proper snow clearing is important, as partial shading from snow cover reduces yield far more than the temperature drop itself. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/PS-M-0907-E-Datasheet-Vertex-DE18M-II-EN-2022-A-web-3149fbcd9d92.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | Cooler, +3.8 pp, +5 yr warranty | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | Cooler, lighter, +3.6 pp | | [Longi Solar LR7-60HVH-560M](https://comparepv.com/panel/longi-lr7-60hvh-560m) | 560 W | +50 W, cooler, +3.6 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | Cooler, +3.5 pp, +5 yr warranty | | [WINAICO WST-505BKX54-A2](https://comparepv.com/panel/winaico-wst-505bkx54-a2) | 505 W | Cooler, +3.5 pp, +5 yr warranty | | [Longi Solar LR7-60HVH-555M](https://comparepv.com/panel/longi-lr7-60hvh-555m) | 555 W | Cooler, +3.4 pp, +5 yr warranty | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | Cooler, lighter, +3.3 pp | | [Trina Solar TSM-DEG18MC.20(II)-480](https://comparepv.com/panel/trina-solar-tsm-deg18mc-20-ii-480) | 480 W | Heavier, -1.3 pp, +5 yr warranty | | [Trina Solar TSM-DE18M(II)-485](https://comparepv.com/panel/trina-solar-tsm-de18m-ii-485) | 485 W | -25 W, -1.1 pp | | [Trina Solar TSM-DE18M(II)-490](https://comparepv.com/panel/trina-solar-tsm-de18m-ii-490) | 490 W | -20 W, -0.9 pp | | [Trina Solar TSM-DEG18MC.20(II)-495](https://comparepv.com/panel/trina-solar-tsm-deg18mc-20-ii-495) | 495 W | Heavier, -0.7 pp, +5 yr warranty | | [AIKO AIKO-A650-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a650-mae72mw) | 650 W | +140 W, cooler, +4.0 pp | | [AIKO AIKO-A645-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a645-mae72mw) | 645 W | +135 W, cooler, +3.8 pp | | [AIKO AIKO-A640-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a640-mae72mw) | 640 W | +130 W, cooler, +3.6 pp | | [AIKO AIKO-A635-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a635-mae72mw) | 635 W | +125 W, cooler, +3.4 pp | | [AIKO AIKO-A630-MAH72Dw](https://comparepv.com/panel/aiko-aiko-a630-mah72dw) | 630 W | +120 W, cooler, +3.2 pp | --- Source: https://comparepv.com/panel/trina-solar-tsm-de18m-ii-510 Not in this file, on the page: a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.