--- title: "Luxen Solar Energy LNVT-505M 505W Solar Panel - Specs & Review | ComparePV" description: "Luxen Solar Energy LNVT-505M 505W solar panel. Specs: 21.30% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/luxen-solar-energy-lnvt-505m" updated: 2026-09-11 --- # Luxen Solar Energy LNVT-505M Middle of its segment, weak in heat 8,470 panels in the 405-605 W band, all technologies ## Identity - **Manufacturer:** Luxen Solar Energy - **Model:** LNVT-505M - **Series:** LUXPOWER SERIES 5 - **Rated power:** 505 W - **Cell technology:** Monocrystalline ## How it compares Compared against 405-605 W band, all technologies (8470 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 505 W | 480 W | Typical | | | Module efficiency | 21.30% | 21.89% | Typical | 8,519 | | Power density | 212.7 | 218.7 | Typical | 8,757 | | Temperature coefficient | -0.360 | -0.300 | Weak - bottom 4% | 12,345 | | Weight (kg) | 25.5 kg | 25.0 kg | Typical | | | Performance warranty | 25 yrs | 30 yrs | Weak - bottom 13% | 9,798 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 21.30% | 21.89% | Typical | 8,519 | | Power density | 212.7 | 218.7 | Typical | 8,757 | | Temperature coefficient | -0.360 | -0.300 | Weak - bottom 4% | 12,345 | | Weight per kWp | 50.5 | 52.5 | Typical | 3,867 | | Performance warranty | 25 yrs | 30 yrs | Weak - bottom 13% | 9,798 | ### Watch out for - **-0.360 %/°C temperature coefficient** - Bottom 4% of the 405-605 W band, against a median of -0.300. Ranked 12,345th in the whole database. - **25 year performance warranty** - Bottom 13% of the 405-605 W band, against a median of 30 yrs. - **Best for:** Residential, commercial, shaded-installations, cold-climate and hot-climate. - **Not ideal for:** Hot climates and owners who want a long output guarantee. ## Specification ### Electrical - **Rated power (Pmax):** 505 W - **Efficiency:** 21.30 % - **Voltage at Pmax (Vmp):** 38.88 V - **Current at Pmax (Imp):** 12.99 A - **Open-circuit voltage (Voc):** 46.83 V - **Short-circuit current (Isc):** 13.88 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.360 %/degC - **Temperature coefficient of Voc:** -0.280 %/degC - **Temperature coefficient of Isc:** 0.050 %/degC - **NOCT:** 45 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell count:** 132 ### Physical - **Length:** 2094 mm - **Width:** 1134 mm - **Thickness:** 35 mm - **Weight:** 25.5 kg - **Area:** 2.37 m2 - **Power density:** 212.7 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:** 414 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 8519 of 14005 | | Power density | 8757 of 14005 | | Temperature coefficient | 12345 of 14005 | | Weight | 3867 of 14005 | | Warranty | 9798 of 14005 | ## Pros - **Gallium doping eliminates LID** - The gallium-doped PERC cells effectively reduce light-induced degradation (LID), as confirmed by the manufacturer's official datasheets. Combined with anti-PID protection, the module maintains more stable power output from day one compared to standard PERC cells without this modification. - **Half-Cut M10 cells with 10BB technology** - The Half-Cut architecture combined with multi-busbar 10BB (MBB) cells shortens current flow paths, lowering resistive losses and reducing microcrack risk. This design also improves performance under partial shading, common on pitched roofs in the Polish climate. - **Tier-1 BNEF status since 2022** - Luxen Solar Energy, operating since 2005, has maintained Tier-1 status per BloombergNEF continuously since 2022, confirming the series' bankability and easing project financing through banks and lenders. - **Low power temperature coefficient** - The manufacturer's declared low temperature coefficient allows LUXPOWER SERIES 5 modules to retain higher efficiency on hot days compared to older-generation PERC cells, relevant for summer irradiance peaks in Poland. - **Up to 30-year linear power warranty** - For select variants, the manufacturer offers a power warranty of up to 30 years, matching terms offered by leading N-type module manufacturers and far exceeding the standard 25-year stepped warranty typical of older PERC generations. ## Cons - **Efficiency trails N-type peers** - At 21.29–21.5%, PERC efficiency clearly lags behind comparable N-type models such as the Heliene 144HC M10 NTYP (23.02%) and Solarspace Lumina II (23.03%) — a 1.5–1.7 pp gap at the same 595 Wp max power means lower power density per m² of roof. In 2026, N-type technology already accounts for over 60% of global module production, positioning PERC as a technology exiting the premium segment. - **Inconsistent power warranty across the series** - The 25–30 year power warranty range indicates only some variants receive the full 30-year term, while others are capped at the standard 25 years. Competing N-type series often provide a uniform 30-year warranty across the entire product line, regardless of power variant. ## About this series The LUXPOWER SERIES 5 series introduces a new quality to prosumer and commercial installations thanks to the use of **gallium-doping** technology, which effectively eliminates the problem of light-induced degradation (LID). The use of M10 type cells in **Half-Cut** architecture allows for a significant reduction in resistive losses and better performance in partial shading conditions, which directly translates into higher yields per square meter of roof area. The design based on **multi-busbar 10BB cells** guarantees a shorter current flow path, which minimizes the risk of micro-cracks and increases the mechanical stability of the modules. These panels are dedicated to investors looking for the perfect balance between high efficiency and durability in the demanding Polish climate, characterized by variable temperatures and high snow loads. They stand out from the competition with a **low temperature coefficient**, thanks to which they maintain high efficiency even on hot days. This solution effectively eliminates concerns about rapid cell aging, offering stable power output for many decades. The use of advanced insulating materials additionally protects the modules against the negative impact of the PID effect, which is crucial for maintaining the efficiency of the entire system. Thanks to an aesthetic finish and optimal dimensions, this series works great on both pitched roofs and in large business projects, ensuring a quick return on investment thanks to **high power density**. ## Notable figures - Module efficiency of 21.3% is 0.5pp below average for \*\*database\*\* panels (median: 21.8%) - Power density of 212.7 W/m² is 5.4 W/m² below \*\*database\*\* median (218.1 W/m²) - needs more roof space - At -0.36%/°C, loses 0.06pp more power per degree than \*\*database\*\* median (-0.30%/°C) - At 25.5 kg, weight matches the \*\*database\*\* median - Ranked #8519 out of 14005 panels for efficiency in the database ## Questions ### What is gallium doping in LUXPOWER SERIES 5 panels and why does it matter? Gallium doping replaces traditional boron in the silicon structure of PERC cells, eliminating light-induced degradation (LID). In practice, this means the panel delivers its rated power output from day one of operation, without the typical 1-3 percent power loss seen in older technologies during the first year. ### What warranty comes with LUXPOWER SERIES 5 panels? Manufacturer Luxen Solar Energy provides a 12-year product warranty and a 30-year power performance warranty. This means material and workmanship defects are covered for 12 years, while power output degradation follows a guaranteed linear curve for 30 years, in line with standard tier-1 manufacturer practice. ### Will LUXPOWER SERIES 5 panels perform well in cold Polish winters? Yes, the series features a low temperature coefficient, reducing losses during hot summers while also maintaining stable output in cold winter conditions, when silicon cells can actually perform at higher efficiency. The half-cut cell design also handles partial snow coverage or shading better, limiting generation drops. ### How does Half-Cut and 10BB busbar technology differ from older panels? Half-cut cells are cut in half, reducing resistive losses and improving performance under partial shading, such as from a chimney or antenna. The 10BB multi-busbar design shortens the current path within the cell, lowering the risk of microcracks and increasing the module's mechanical durability compared to older lower-busbar designs. ### How much power does one LUXPOWER SERIES 5 panel generate? LUXPOWER SERIES 5 modules reach up to 595 Wp of maximum power. Thanks to high power density per square meter, this allows more system capacity to fit on limited roof space, which is especially valuable for smaller pitched roofs or commercial projects with constrained available area. ### Are LUXPOWER SERIES 5 panels resistant to PID effect? Yes, the modules use advanced insulation materials that protect cells from PID, potential-induced degradation caused by voltage differences between cells and the module frame. This protection is essential for maintaining rated system efficiency over the panel's lifetime, particularly in large installations with high string voltages. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/573f2481cdbf18ebf173998e.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | Cooler, +3.7 pp, +5 yr warranty | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | Cooler, +3.5 pp, +5 yr warranty | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | Cooler, +3.4 pp, +5 yr warranty | | [Longi Solar LR7-60HVH-555M](https://comparepv.com/panel/longi-lr7-60hvh-555m) | 555 W | +50 W, cooler, +3.3 pp | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | Cooler, +3.2 pp, +5 yr warranty | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | Cooler, +3.2 pp, +5 yr warranty | | [Luxen Solar Energy LNVT-520ND](https://comparepv.com/panel/luxen-solar-energy-lnvt-520nd) | 520 W | Cooler, heavier, +5 yr warranty | | [Luxen Solar Energy LNVT-525ND](https://comparepv.com/panel/luxen-solar-energy-lnvt-525nd) | 525 W | Cooler, +0.8 pp, +5 yr warranty | | [Luxen Solar Energy LNVT-530ND](https://comparepv.com/panel/luxen-solar-energy-lnvt-530nd) | 530 W | Cooler, +1.0 pp, +5 yr warranty | | [Luxen Solar Energy LNVT-535ND](https://comparepv.com/panel/luxen-solar-energy-lnvt-535nd) | 535 W | Cooler, +1.2 pp, +5 yr warranty | | [Luxen Solar Energy LNVT-540ND](https://comparepv.com/panel/luxen-solar-energy-lnvt-540nd) | 540 W | Cooler, +1.4 pp, +5 yr warranty | | [Gamko New Energy GKA120N-PRO-590W](https://comparepv.com/panel/gamko-new-energy-gka120n-pro-590w) | 590 W | +85 W, cooler, +2.5 pp | | [Gamko New Energy GKA120N-PRO-585W](https://comparepv.com/panel/gamko-new-energy-gka120n-pro-585w) | 585 W | +80 W, cooler, +2.3 pp | | [Bisol BGO 580](https://comparepv.com/panel/bisol-bgo-580) | 580 W | +75 W, cooler, +2.2 pp | | [Gamko New Energy GKA120N-PRO-580W](https://comparepv.com/panel/gamko-new-energy-gka120n-pro-580w) | 580 W | +75 W, cooler, +2.1 pp | --- Source: https://comparepv.com/panel/luxen-solar-energy-lnvt-505m Not in this file, on the page: a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.