--- title: "Luxen Solar Energy LNET-660M 660W Solar Panel - Specs & Review | ComparePV" description: "Luxen Solar Energy LNET-660M 660W solar panel. Specs: 21.25% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/luxen-solar-energy-lnet-660m" updated: 2026-09-11 --- # Luxen Solar Energy LNET-660M Middle of its segment, short guarantee 320 panels in the segment PERC 650-700 W ## Identity - **Manufacturer:** Luxen Solar Energy - **Model:** LNET-660M - **Series:** LUXPOWER SERIES 6 - **Rated power:** 660 W - **Cell technology:** PERC ## How it compares Compared against segment PERC 650-700 W (320 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 660 W | 660 W | Typical | | | Module efficiency | 21.25% | 21.25% | Typical | 8,904 | | Power density | 212.5 | 212.5 | Typical | 8,959 | | Temperature coefficient | -0.340 | -0.340 | Typical | 8,778 | | Weight (kg) | 34.0 kg | 34.5 kg | Typical | | | Performance warranty | 25 yrs | 30 yrs | Weak - bottom 21% | 9,798 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 21.25% | 21.25% | Typical | 8,904 | | Power density | 212.5 | 212.5 | Typical | 8,959 | | Temperature coefficient | -0.340 | -0.340 | Typical | 8,778 | | Weight per kWp | 51.5 | 52.3 | Typical | 4,883 | | Performance warranty | 25 yrs | 30 yrs | Weak - bottom 21% | 9,798 | ### Watch out for - **25 year performance warranty** - Bottom 21% of the PERC 650-700 W segment, against a median of 30 yrs. - **Best for:** Residential, commercial, utility-scale and shaded-installations. - **Not ideal for:** Owners who want a long output guarantee. ## Specification ### Electrical - **Rated power (Pmax):** 660 W - **Efficiency:** 21.25 % - **Voltage at Pmax (Vmp):** 37.88 V - **Current at Pmax (Imp):** 17.42 A - **Open-circuit voltage (Voc):** 45.35 V - **Short-circuit current (Isc):** 18.69 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:** 132 ### Physical - **Length:** 2384 mm - **Width:** 1303 mm - **Thickness:** 35 mm - **Weight:** 34.0 kg - **Area:** 3.11 m2 - **Power density:** 212.5 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:** 542 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 8904 of 14005 | | Power density | 8959 of 14005 | | Temperature coefficient | 8778 of 14005 | | Weight | 4883 of 14005 | | Warranty | 9798 of 14005 | ## Pros - **Efficiency matching segment leaders** - Maximum efficiency of 21.73% ties the top peer comparables (Neo Solar Power NESE 655-675-66MHT-G12, BYD AURO MSTK-33) and exceeds Q.PEAK DUO ML-G12S (21.70%), placing the series among the top performers in the 655-675 Wp module class. - **Gallium-doped cells reduce LID** - Gallium-doped silicon instead of conventional boron doping eliminates light-induced degradation (LID), delivering more stable early-life energy yield compared to older boron-doped modules. - **Half-cut construction with multi-busbar** - Half-cut cell layout combined with multi-busbar interconnection reduces resistive losses and improves shade tolerance - a relevant advantage for typical Polish rooftop obstructions such as chimneys, dormers, and antennas. - **Tier-1 BNEF manufacturer since 2022** - Luxen Solar Energy, operating since 2005, has held Tier-1 status per BloombergNEF continuously since 2022, confirming financial bankability behind the 25-year linear power warranty. - **Enhanced mechanical load resistance** - The manufacturer states increased resistance to snow and wind loads, which is directly relevant for Polish installations where sustained snow accumulation on pitched roofs is a common structural stress factor. ## Cons - **PERC technology, not TOPCon** - Luxen Solar already offers a newer N6 series based on N-type TOPCon cells (e.g., 685-705 Wp), while Series 6 relies on older PERC technology, which typically has a higher temperature coefficient and is being phased out of the premium segment in favor of N-type. - **Product warranty shorter than some competitors** - 12-15 years product warranty is standard for PERC but falls below the same manufacturer's TOPCon offerings (up to 20-30 years), creating an asymmetry with the 25-year linear power warranty. - **Monofacial-only variant** - The series has no bifacial option, while some competing models in this class (certain BYD AURO and NESE variants) are available in bifacial configurations that can add an extra 3-8% yield from albedo - unavailable here. ## About this series The Luxen Solar LUXPOWER SERIES 6 is an advanced solution based on **Gallium-doped cell technology**, which effectively eliminates the problem of light-induced degradation (LID), ensuring stable performance for decades. Thanks to the use of **Half-Cut design and multi-busbar technology**, these modules minimize resistive losses and perform significantly better in partial shading conditions, which is crucial for Polish rooftop installations. This series stands out with its **high energy conversion efficiency**, allowing for maximum utilization of limited roof space and generating more kilowatt-hours from every square meter. It is an ideal choice for investors seeking a balance between modern technology and durability, as the panels demonstrate **increased resistance to extreme mechanical loads**, such as heavy snow or strong winds. Compared to older solutions, LUXPOWER SERIES 6 offers a more favorable temperature coefficient, which translates into real-world higher yields on hot summer days. This product is dedicated to both individual prosumers and large commercial projects where a fast return on investment and long-term component reliability are key. By choosing this series, the investor receives a system that optimizes electricity production while maintaining high aesthetics and durability. ## Notable figures - At 21.2% efficiency, this panel is on par with typical \*\*PERC 650-700W\*\* modules - At 212.5 W/m² power density, roof space requirements are typical for \*\*PERC 650-700W\*\* panels - At -0.34%/°C, hot weather performance is typical for \*\*PERC 650-700W\*\* panels - #8904 for efficiency, #8778 for temperature performance out of 14005 panels ## Questions ### What is Gallium-doped cell technology in the Luxen LUXPOWER SERIES 6 and how does it prevent LID degradation? The LUXPOWER SERIES 6 uses PERC cells made from gallium-doped silicon instead of traditional boron-doped wafers. Boron forms defect complexes under light exposure, causing Light-Induced Degradation (LID) that permanently reduces output in the first weeks of operation. Gallium eliminates this mechanism, ensuring stable power production throughout the module's entire service life. This directly translates into a higher actual annual energy yield compared to boron-based PERC cells. ### What warranty does Luxen Solar offer on the LUXPOWER SERIES 6 series? Luxen Solar provides a 15-year product warranty on the LUXPOWER SERIES 6, covering manufacturing defects and material failures. A separate 25-year linear power output warranty guarantees the panel retains at least 80.7% of its rated power after a quarter century of operation. These warranty terms are a key input when calculating return on investment and the LCOE (Levelized Cost of Energy) for both residential and commercial PV projects. ### Do Luxen LUXPOWER SERIES 6 panels handle partial shading — for example from a chimney or dormer window? Yes. The half-cut PERC cell layout splits each cell in half, reducing operating current and resistive losses. Shading one cell group has a far smaller impact on total module output compared to standard full-cell panels. The multi-busbar design further shortens current paths, cutting resistive losses even more. The LUXPOWER SERIES 6 is therefore well-suited for rooftops with chimneys, dormers, or satellite dishes that cause partial shading — a common challenge in Polish residential installations. ### How does the Luxen LUXPOWER SERIES 6 675W panel perform during hot summer days in Poland? All solar panels lose power as temperature rises, but the LUXPOWER SERIES 6 features a favorable temperature coefficient of Pmax around -0.35%/°C, typical of modern gallium-doped PERC cells. At a module temperature of 70°C — common on sunny summer afternoons in Central Europe — power losses are approximately 15–17% rather than the 20%+ seen with older technologies. This results in measurably higher annual energy yield, especially in the more sun-intensive southern regions of Poland. ### Is the Luxen LUXPOWER SERIES 6 suitable for large commercial installations and utility-scale PV projects? Yes. With a maximum power output of 675W, fewer modules are needed to reach a target system capacity, directly lowering Balance of System (BoS) costs — fewer mounting structures, less cabling, and reduced installation labor. Luxen Solar holds Tier 1 manufacturer status, which simplifies project financing through banks and investment funds. The series is engineered for both individual prosumers and large-scale commercial projects where fast ROI and long-term component reliability are critical. ### What mechanical loads can Luxen LUXPOWER SERIES 6 panels withstand — are they suitable for Polish winter conditions? The LUXPOWER SERIES 6 is rated for enhanced mechanical load resistance, typically certified to 5400 Pa snow load and 2400 Pa wind load — equivalent to tens of centimeters of wet snow encountered in the mountainous regions of Poland. The half-cut cell structure distributes mechanical stress across the module surface, reducing the risk of micro-cracks during rapid temperature swings caused by freeze-thaw cycles typical of Polish winters. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/LUXEN-SERIES-6-210-MONOFACIAL-132cells-655-675w-MONO-5250f9fff06d.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [AIKO AIKO-A650-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a650-mae72mw) | 650 W | Cooler, lighter, +3.9 pp | | [AIKO AIKO-A680-MDE72Mw](https://comparepv.com/panel/aiko-aiko-a680-mde72mw) | 680 W | Cooler, lighter, +3.9 pp | | [AIKO AIKO-A675-MDE72Mw](https://comparepv.com/panel/aiko-aiko-a675-mde72mw) | 675 W | Cooler, lighter, +3.8 pp | | [AIKO AIKO-A645-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a645-mae72mw) | 645 W | Cooler, lighter, +3.8 pp | | [AIKO AIKO-A700-MAE78Dw](https://comparepv.com/panel/aiko-aiko-a700-mae78dw) | 700 W | Cooler, +3.8 pp, +5 yr warranty | | [AIKO AIKO-A695-MAE78Dw](https://comparepv.com/panel/aiko-aiko-a695-mae78dw) | 695 W | Cooler, +3.6 pp, +5 yr warranty | | [AIKO AIKO-G670-MCH72Mw](https://comparepv.com/panel/aiko-aiko-g670-mch72mw) | 670 W | Cooler, lighter, +3.6 pp | | [Luxen Solar Energy LNET-655M](https://comparepv.com/panel/luxen-solar-energy-lnet-655m) | 655 W | Very close match | | [Luxen Solar Energy LNET-665M](https://comparepv.com/panel/luxen-solar-energy-lnet-665m) | 665 W | Very close match | | [Luxen Solar Energy LNET-670M](https://comparepv.com/panel/luxen-solar-energy-lnet-670m) | 670 W | +10 W, +0.4 pp | | [Luxen Solar Energy LNET-675M](https://comparepv.com/panel/luxen-solar-energy-lnet-675m) | 675 W | +15 W, +0.5 pp | | [Luxen Solar Energy LNET-685N](https://comparepv.com/panel/luxen-solar-energy-lnet-685n) | 685 W | Cooler, +0.8 pp, +5 yr warranty | | [Luxen Solar Energy LNET-690N](https://comparepv.com/panel/luxen-solar-energy-lnet-690n) | 690 W | Cooler, +1.0 pp, +5 yr warranty | | [Luxen Solar Energy LNET-695ND](https://comparepv.com/panel/luxen-solar-energy-lnet-695nd) | 695 W | Heavier, +1.1 pp, +5 yr warranty | | [AIKO AIKO-A805-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a805-grh78dw) | 805 W | +145 W, cooler, +3.9 pp | | [AIKO AIKO-A800-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a800-grh78dw) | 800 W | +140 W, cooler, +3.6 pp | --- Source: https://comparepv.com/panel/luxen-solar-energy-lnet-660m Not in this file, on the page: a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.