--- title: "Einnova Solarline ESM-455T 455W Solar Panel - Specs & Review | ComparePV" description: "Einnova Solarline ESM-455T 455W solar panel. Specs: 23.30% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/einnova-solarline-esm-455t" updated: 2026-09-11 --- # Einnova Solarline ESM-455T Space saver, weak in heat 1,089 panels in the segment TOPCon 450-500 W ## Identity - **Manufacturer:** Einnova Solarline - **Model:** ESM-455T - **Series:** TOPCon N-type Mono-crystalline Full Black - **Rated power:** 455 W - **Cell technology:** TOPCon ## How it compares Compared against segment TOPCon 450-500 W (1089 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 455 W | 465 W | Typical | | | Module efficiency | 23.30% | 22.52% | Strong - top 9% | 1,017 | | Power density | 233.0 | 225.2 | Strong - top 7% | 1,098 | | Temperature coefficient | -0.310 | -0.290 | Weak - bottom 6% | 8,005 | | Weight (kg) | 21.0 kg | 24.0 kg | Strong - top 15% | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 23.30% | 22.52% | Strong - top 9% | 1,017 | | Power density | 233.0 | 225.2 | Strong - top 7% | 1,098 | | Temperature coefficient | -0.310 | -0.290 | Weak - bottom 6% | 8,005 | | Weight per kWp | 46.2 | 52.2 | Strong - top 15% | 1,016 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Strengths - **233.0 watts per square metre** - Top 7% of the TOPCon 450-500 W segment, against a median of 225.2. Ranked 1,098th in the whole database. - **23.30% module efficiency** - Top 9% of the TOPCon 450-500 W segment, against a median of 22.52%. Ranked 1,017th in the whole database. - **46.2 kg per kWp** - Top 15% of the TOPCon 450-500 W segment, against a median of 52.2. ### Watch out for - **-0.310 %/°C temperature coefficient** - Bottom 6% of the TOPCon 450-500 W segment, against a median of -0.290. Ranked 8,005th in the whole database. - **Best for:** Roofs where every square metre counts, small roofs that need every watt and weight-limited structures. - **Not ideal for:** Hot climates. ## Specification ### Electrical - **Rated power (Pmax):** 455 W - **Efficiency:** 23.30 % - **Voltage at Pmax (Vmp):** 34.34 V - **Current at Pmax (Imp):** 13.25 A - **Open-circuit voltage (Voc):** 41.20 V - **Short-circuit current (Isc):** 13.82 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.310 %/degC - **Temperature coefficient of Voc:** -0.260 %/degC - **Temperature coefficient of Isc:** 0.046 %/degC - **NOCT:** 45 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** TOPCon - **Cell count:** 108 ### Physical - **Length:** 1722 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 21.0 kg - **Area:** 1.95 m2 - **Power density:** 233.0 Wp/m2 ### Warranty and degradation - **Product warranty:** 30 years - **Performance warranty:** 30 years - **Output guaranteed at end of warranty:** 87.4 % - **First-year degradation:** 1.00 % - **Annual degradation:** 0.40 % - **Output after 30 years:** 398 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 1017 of 14005 | | Power density | 1098 of 14005 | | Temperature coefficient | 8005 of 14005 | | Weight | 1016 of 14005 | | Warranty | 21 of 14005 | ## Pros - **Up to 23.3% efficiency — above direct competition** - The peak efficiency of 23.3% outperforms comparable Full Black series in the segment: Sunlike Solar SKT420~455M10-108D6 reaches 22.8%, IBC Solar LS-TA2 also 22.8%, and Waaree ARKA Series only 20.93%. This translates into higher energy yield from the same roof area — a critical advantage where mounting space is limited. - **No LID and low temperature coefficient** - N-type TOPCon cells virtually eliminate light-induced degradation (LID \<1% in year 1, \<0.4%/year from year 2 onward), and the typical temperature coefficient of approximately -0.30%/°C compares favorably to -0.34 to -0.38%/°C for PERC. In the Polish climate, with increasingly hot summers, this delivers a real-world annual yield gain of 1–2% over PERC modules of equivalent rated power. - **30-year dual warranty (product + power output)** - Einnova Solarline provides a 30-year warranty covering both the product and power output — the market standard is typically 10–15 years on the product and 25 years on power (as offered by most Waaree and Sunlike Solar products). The extended warranty horizon reduces financial risk for prosumer and commercial installations operated under long-term financing models. - **Full Black aesthetics — uniform black frame and cells** - The series combines a black frame, black backsheet, and dark cells into a visually uniform module. For installations on prominent pitched roofs where aesthetics carry formal weight — local building codes, heritage conservation zones — Full Black eliminates the need to compromise between performance and appearance. - **5 power variants (435–455 Wp) — design flexibility** - Five power ratings within a single series simplify precise energy balancing: the designer can select the variant that minimizes module count or optimizes string voltage, without mixing products from different manufacturers. ## Cons - **Full Black thermal effect — elevated operating temperature** - The black frame and black backsheet absorb more thermal radiation than standard modules with a white backsheet, which can raise the module operating temperature by 2–4°C on a hot day and reduce instantaneous output by approximately 1–2%. The low TOPCon temperature coefficient (-0.30%/°C) mitigates but does not eliminate this effect — particularly relevant in poorly ventilated roof-mount installations with minimal air gap. - **Brand not listed on BNEF Tier-1** - Einnova Solarline appears in the China Top 20 ranking (ENF Solar, 2 GW manufacturing capacity, ~9 GW installed globally), but is not included on the Bloomberg NEF Tier-1 list, unlike direct market rivals such as Jinko Solar, LONGi, or Trina Solar. This may result in lower brand recognition among Polish installers, potentially limited access to local warranty support, and reduced liquidity on the secondary market if the installation is ever resold. ## About this series The Einnova Solarline TOPCon N-type Mono-crystalline Full Black series is an advanced solution for investors who value premium aesthetics combined with modern cell technology. Thanks to the use of **N-type TOPCon technology**, these panels effectively eliminate the problem of light-induced degradation (LID), which translates into a significantly longer lifespan and stability of energy yields compared to standard P-type modules. The deep black finish of the frame and cells ensures the installation blends perfectly with modern architecture, solving the dilemma between high efficiency and an elegant roof appearance. The unique design provides **high efficiency in low-light conditions**, such as cloudy weather or dawn, which is crucial for maximizing self-consumption in the Polish climate. These modules also feature a **low temperature coefficient**, meaning they maintain high efficiency even on hot summer days when traditional cells lose power more quickly. This series is primarily dedicated to demanding individual customers and companies looking for **uncompromising Full Black visual quality**. It stands out from the competition through an excellent balance between innovation and mechanical durability, guaranteeing investment security for decades. Choosing this series means betting on the **most advanced silicon cell architecture**, which currently sets the standards for durability in the photovoltaic industry. ## Notable figures - 23.3% module efficiency - 0.8pp better than the \*\*TOPCon 450-500W\*\* median of 22.5% - Power density of 233.0 W/m² packs 7.8 W/m² more into the same footprint vs \*\*TOPCon 450-500W\*\* median (225.2 W/m²) - At -0.31%/°C, loses 0.02pp more power per degree than \*\*TOPCon 450-500W\*\* median (-0.29%/°C) - Weight of 21.0 kg (3.0 kg below \*\*TOPCon 450-500W\*\* median of 24.0 kg) allows easier transport and roof mounting - #1017 for efficiency, #8005 for temperature performance out of 14005 panels ## Questions ### What is the warranty on the Einnova Solarline TOPCon N-type Mono-crystalline Full Black panels? The Einnova Solarline TOPCon N-type Mono-crystalline Full Black series comes with a 30-year product warranty and a 30-year linear power output warranty. This is among the longest warranty periods available on the market, reflecting the manufacturer's confidence in the durability of N-type TOPCon technology and the long-term stability of the module's performance throughout its entire service life. ### How does TOPCon N-type technology differ from standard P-type panels, and is the price premium justified? N-type TOPCon cells feature an additional tunnel oxide passivation layer that dramatically reduces charge carrier recombination. In practice, this translates to higher efficiency, complete elimination of Light-Induced Degradation (LID), and a slower linear power degradation over the years. For climatic conditions typical of Poland, particularly valuable is the improved performance under diffuse light — such as overcast skies — which directly results in higher annual energy yield compared to conventional P-type modules. ### Will the 455 Wp Einnova Solarline Full Black panel perform well on a pitched roof in Poland? Yes, the 455 Wp module from the Full Black series is suitable for installation on pitched roofs. The mono-crystalline N-type TOPCon cells deliver high efficiency even at low solar irradiance angles during winter months or under the diffuse light conditions characteristic of the Polish climate. Prior to installation, it is advisable to verify the permissible snow and wind load ratings in the datasheet to ensure the appropriate mounting structure is selected. ### Is the Einnova Solarline Full Black series a bifacial panel? No, the Einnova Solarline TOPCon N-type Mono-crystalline Full Black series is not a bifacial module. The rear surface is solid and opaque, which is core to the Full Black design philosophy — a uniform, deep black aesthetic from front to back. If energy gains from albedo (ground-reflected light) are a priority, the manufacturer offers separate bifacial models; however, this series deliberately foregoes bifaciality in favor of a consistent, all-black appearance. ### How do the Einnova Solarline TOPCon Full Black panels perform during hot summer conditions? N-type TOPCon technology is characterized by a low temperature coefficient, meaning that rising panel temperatures cause a smaller drop in power output compared to P-type modules. On hot summer days, conventional P-type cells can lose as much as 0.4–0.5% of output power per degree Celsius above 25°C, whereas N-type TOPCon cells achieve values closer to 0.28–0.32%/°C, resulting in measurably higher energy production under identical conditions. ### Who is the Einnova Solarline TOPCon N-type Mono-crystalline Full Black series designed for, and does it suit modern homes? The series is designed for discerning residential investors and businesses for whom the visual appearance of the installation is just as important as its performance. The deep black frame and cells allow the modules to integrate seamlessly with the aesthetics of modern homes, dark-tiled rooftops, and commercial buildings where visual branding matters. The combination of TOPCon technology with the Full Black design eliminates the need to choose between aesthetics and high energy performance. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/topcon-n-m435-455-full-black-4a28ffe21f3e.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | +40 W, cooler, +1.5 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | +50 W, cooler, +1.4 pp | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | +35 W, cooler, +1.2 pp | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | +45 W, cooler, +1.2 pp | | [Talesun CIPRO-TN9C54M-500W](https://comparepv.com/panel/talesun-cipro-tn9c54m-500w) | 500 W | +45 W, cooler, +1.2 pp | | [Gokin GK-3-54HGb-500M](https://comparepv.com/panel/gokin-gk-3-54hgb-500m) | 500 W | +45 W, cooler, +1.2 pp | | [Einnova Solarline ESM-400 Terra Cotta](https://comparepv.com/panel/einnova-solarline-esm-400-terra-cotta) | 400 W | -55 W, -3.3 pp | | [Einnova Solarline ESM-435T](https://comparepv.com/panel/einnova-solarline-esm-435t) | 435 W | -20 W, -1.0 pp | | [Einnova Solarline ESM-440T](https://comparepv.com/panel/einnova-solarline-esm-440t) | 440 W | -15 W, -0.8 pp | | [Einnova Solarline ESM-445T](https://comparepv.com/panel/einnova-solarline-esm-445t) | 445 W | -10 W, -0.5 pp | | [Einnova Solarline ESM-450T](https://comparepv.com/panel/einnova-solarline-esm-450t) | 450 W | -0.3 pp | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | +55 W, cooler, +1.7 pp | --- Source: https://comparepv.com/panel/einnova-solarline-esm-455t 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.