--- title: "Einnova Solarline ESM-500T 500W Solar Panel - Specs & Review | ComparePV" description: "Einnova Solarline ESM-500T 500W solar panel. Specs: 23.08% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/einnova-solarline-esm-500t" updated: 2026-09-11 --- # Einnova Solarline ESM-500T Space saver, weak in heat 432 panels in the segment TOPCon 500-550 W ## Identity - **Manufacturer:** Einnova Solarline - **Model:** ESM-500T - **Series:** TOPCon N type Mono-crystalline Full Black - **Rated power:** 500 W - **Cell technology:** TOPCon ## How it compares Compared against segment TOPCon 500-550 W (432 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 500 W | 510 W | Weak - bottom 10% | | | Module efficiency | 23.08% | 22.73% | Strong - top 25% | 1,677 | | Power density | 230.8 | 227.4 | Strong - top 24% | 1,644 | | Temperature coefficient | -0.310 | -0.290 | Weak - bottom 9% | 8,005 | | Weight (kg) | 24.0 kg | 27.0 kg | Typical | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 23.08% | 22.73% | Strong - top 25% | 1,677 | | Power density | 230.8 | 227.4 | Strong - top 24% | 1,644 | | Temperature coefficient | -0.310 | -0.290 | Weak - bottom 9% | 8,005 | | Weight per kWp | 48.0 | 52.4 | Typical | 2,004 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Strengths - **230.8 watts per square metre** - Top 24% of the TOPCon 500-550 W segment, against a median of 227.4. - **23.08% module efficiency** - Top 25% of the TOPCon 500-550 W segment, against a median of 22.73%. ### Watch out for - **-0.310 %/°C temperature coefficient** - Bottom 9% of the TOPCon 500-550 W segment, against a median of -0.290. Ranked 8,005th in the whole database. - **Best for:** Residential and hot-climate. - **Not ideal for:** Hot climates. ## Specification ### Electrical - **Rated power (Pmax):** 500 W - **Efficiency:** 23.08 % - **Voltage at Pmax (Vmp):** 35.98 V - **Current at Pmax (Imp):** 13.90 A - **Open-circuit voltage (Voc):** 43.31 V - **Short-circuit current (Isc):** 14.59 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:** 120 ### Physical - **Length:** 1910 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 24.0 kg - **Area:** 2.17 m2 - **Power density:** 230.8 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:** 437 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 1677 of 14005 | | Power density | 1644 of 14005 | | Temperature coefficient | 8005 of 14005 | | Weight | 2004 of 14005 | | Warranty | 21 of 14005 | ## Pros - **Above-class efficiency of 22.2–23.08%** - Two of the three peer comparables achieve significantly lower efficiency: Emmvee GRAPHITE at 21.03% and Lina Energy LEPV 132 HC at 21.06%. The Einnova series delivers a genuine energy advantage (~10% more energy per m²) within an identical mounting footprint. - **TOPCon N-type: lower temperature coefficient** - N-type cells exhibit a temperature coefficient of ~−0.30%/°C versus −0.34–0.38%/°C for legacy PERC technology. Under Polish summer conditions (cell temperatures of 60–70°C), this translates to 2–4% higher annual yield compared to PERC, with no LID degradation effect. - **30-year product and power output warranty** - The manufacturer covers both the product (30 years) and power output (30 years), while the industry standard for most models in this price segment is 25 years on power. The extended warranty horizon directly reduces the investor's financial risk over the full system lifetime. - **Full Black: all-black aesthetics with no silver busbars** - The uniform black finish on the frame, backsheet, and cells eliminates the visual contrast typical of standard modules with silver interconnect busbars. Particularly relevant for installations on dark pitched roofs visible from street level — meeting the aesthetic requirements of modern architecture without compromise. - **18 years of experience, 9 GW installed** - Einnova Solarline has been operating since 2008 and has a documented 9 GW of installed modules across more than 50 countries. The long production track record and scale of global deployments reduce the risk of latent defects and attest to the maturity of its quality control processes. ## Cons - **Efficiency below the peer-segment leader** - Peer comparable Gokin GK-3-54HGF achieves 24.5% efficiency at an identical maximum power of 500 Wp, versus 23.08% for this series. The 1.42 percentage-point gap represents approximately 6% less energy from the same roof area — a meaningful constraint where mounting space is limited. - **Black-on-black heat buildup: 1–2% summer power loss** - The black backsheet in the Full Black variant raises the module's operating temperature by ~8°C relative to a standard white backsheet, resulting in 1–2% power losses on the hottest days. This effect partially offsets the thermal advantage that TOPCon N-type technology holds over PERC. - **No BNEF Tier 1 status (Q1 2026)** - Einnova Solarline does not appear on the Bloomberg NEF Tier 1 PV module list published in Q1 2026, which includes manufacturers such as LONGi, JA Solar, Trina Solar, and Canadian Solar. This may limit project bankability when seeking external financing (loans, leasing) and reduce module acceptance by some insurers on commercial projects. ## About this series Einnova Solarline panels from the TOPCon N-type Mono-crystalline Full Black series are an advanced solution for investors who do not want to choose between maximum efficiency and impeccable aesthetics. By utilizing **N-type cell** technology, these modules effectively eliminate the phenomenon of light-induced degradation (LID), which guarantees more stable system operation for many years. The applied **TOPCon technology** allows for higher energy yields even in low sunlight or high temperatures, which directly translates into a faster return on investment in Polish weather conditions. The unique **Full Black** design makes the installation almost invisible on dark roofs, solving the problem of visual compromises in modern construction. This series is dedicated to the most demanding homeowners for whom durability and the excellent appearance of the property are key. Compared to traditional solutions, these panels offer a **better temperature coefficient** and a significantly slower decline in nominal power, making them a technological leader in their class. This is an investment in reliability that combines innovative semiconductor physics with an elegant, deep black finish without conspicuous silver elements connecting individual cells. ## Notable figures - At 23.1% efficiency, this panel is on par with typical \*\*TOPCon 500-550W\*\* modules - At 230.8 W/m² power density, this panel generates 3.4 W/m² more per unit area than \*\*TOPCon 500-550W\*\* median (227.4 W/m²) - -0.31%/°C temperature coefficient - 0.02pp worse than \*\*TOPCon 500-550W\*\* median (-0.29%/°C), expect higher hot weather losses - At 24.0 kg, this panel is 3.0 kg lighter than \*\*TOPCon 500-550W\*\* median (27.0 kg) - easier handling during installation - #1677 for efficiency, #8005 for temperature performance out of 14005 panels ## Questions ### What warranty does the Einnova Solarline TOPCon N-type Full Black panel series carry, and what exactly does it cover? The TOPCon N-type Mono-crystalline Full Black series comes with a 30-year product warranty and a 30-year power output warranty. This means the manufacturer guarantees both the physical integrity of the module and the maintenance of a specified efficiency level for three full decades. This is one of the longest warranty packages currently available on the market, providing investors with genuine protection of their return on investment. ### How does TOPCon technology differ from standard PERC cells, and why does the premium justify itself? TOPCon technology deposits an ultra-thin layer of silicon oxide capped with polysilicon on the rear surface of the cell, which significantly reduces charge-carrier recombination. As a result, module efficiency exceeds that of conventional PERC cells, and light-induced degradation (LID) is virtually eliminated because the cells are N-type. For climates with frequent overcast conditions and seasonal temperature swings, TOPCon modules also deliver superior low-irradiance response and a lower temperature coefficient, both of which translate into higher annual energy yield. ### Do Einnova Solarline Full Black panels suit a dark-colored roof, and what do they look like once installed? Yes — the Full Black series is specifically designed with aesthetics in mind. The frame, backsheet, and cells share a uniform, deep black color, eliminating the contrasting silver busbars and the bright aluminum frame associated with conventional modules. On dark ceramic or bituminous roofing, the installation becomes nearly invisible, which is particularly valued by homeowners and architects pursuing a minimalist building appearance. ### What is the maximum rated power of the Einnova Solarline TOPCon Full Black module, and how many panels do I need for a 5 kWp residential system? Modules in this series reach up to 500 Wp. A 5 kWp system requires as few as 10 panels, while the popular 8–10 kWp range calls for just 16–20 units. The high per-module power rating reduces the total panel count and simplifies DC wiring, which can lower balance-of-system (BoS) labor costs — a meaningful advantage when roof space is limited. ### Are the Einnova Solarline TOPCon N-type Full Black panels bifacial, and can I mount them as a ground-mounted array with rear-side irradiance? No — this series is not bifacial. The modules feature an opaque backsheet that does not transmit light, meaning no additional energy yield from albedo reflection off the ground surface is possible. The series is intended primarily for rooftop installations, where single-sided irradiance is sufficient to fully exploit the performance advantages of the N-type TOPCon cell architecture. ### Do Einnova Solarline TOPCon Full Black panels perform well in winter and under the overcast conditions typical of the Polish climate? Yes. N-type cells based on TOPCon technology feature a low temperature coefficient, which means power losses on hot summer days are minimized, while performance at cold winter temperatures is excellent. In addition, the enhanced low-irradiance response ensures the modules generate meaningful energy output even on cloudy, diffuse-light days — particularly relevant in Polish regions with below-average annual solar irradiation. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/topcon-n-m480-500-full-black-7caf260fd085.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | +10 W, cooler, +1.9 pp | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | Cooler, lighter, +1.7 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | Cooler, +1.6 pp | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | Cooler, lighter, +1.4 pp | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | Cooler, +1.4 pp | | [Talesun CIPRO-TN9C54M-500W](https://comparepv.com/panel/talesun-cipro-tn9c54m-500w) | 500 W | Cooler, lighter, +1.4 pp | | [Einnova Solarline ESM-480T](https://comparepv.com/panel/einnova-solarline-esm-480t) | 480 W | -20 W, -0.9 pp | | [Einnova Solarline ESM-485T](https://comparepv.com/panel/einnova-solarline-esm-485t) | 485 W | -15 W, -0.7 pp | | [Einnova Solarline ESM-490T](https://comparepv.com/panel/einnova-solarline-esm-490t) | 490 W | -10 W, -0.5 pp | | [Einnova Solarline ESM-495T](https://comparepv.com/panel/einnova-solarline-esm-495t) | 495 W | -0.2 pp | | [Longi Solar LR7-60HVH-560M](https://comparepv.com/panel/longi-lr7-60hvh-560m) | 560 W | +60 W, cooler, +1.7 pp | | [Longi Solar LR7-60HVH-555M](https://comparepv.com/panel/longi-lr7-60hvh-555m) | 555 W | +55 W, cooler, +1.5 pp | | [Longi Solar LR7-60HVHL-550M](https://comparepv.com/panel/longi-lr7-60hvhl-550m) | 550 W | +50 W, lighter, +1.3 pp | | [JA Solar JAT60S40-540/LR](https://comparepv.com/panel/ja-solar-jat60s40-540-lr) | 540 W | +40 W, cooler, +1.3 pp | | [Gokin GK-5-60HG-540M](https://comparepv.com/panel/gokin-gk-5-60hg-540m) | 540 W | +40 W, cooler, +1.3 pp | | [Jinko Solar JKM545-54QL6-DV-F1-EU](https://comparepv.com/panel/jinko-solar-jkm545-54ql6-dv-f1-eu) | 545 W | +45 W, cooler, +1.2 pp | --- Source: https://comparepv.com/panel/einnova-solarline-esm-500t 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.