--- title: "PolyCrown Solar Tech NS-580MH-144 580W Solar Panel - Specs & Review | ComparePV" description: "PolyCrown Solar Tech NS-580MH-144 580W solar panel. Specs: 22.44% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/polycrown-solar-tech-ns-580mh-144" updated: 2026-09-11 --- # PolyCrown Solar Tech NS-580MH-144 Light for its output, short guarantee 259 panels in the segment N-type 550-600 W ## Identity - **Manufacturer:** PolyCrown Solar Tech - **Model:** NS-580MH-144 - **Series:** Monocrystalline144 - **Rated power:** 580 W - **Cell technology:** N-type ## How it compares Compared against segment N-type 550-600 W (259 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 580 W | 580 W | Typical | | | Module efficiency | 22.44% | 22.45% | Typical | 4,716 | | Power density | 224.4 | 224.5 | Typical | 4,692 | | Temperature coefficient | -0.290 | -0.290 | Typical | 2,165 | | Weight (kg) | 26.0 kg | 29.5 kg | Strong - top 6% | | | Performance warranty | 25 yrs | 30 yrs | Weak - bottom 10% | 9,798 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 22.44% | 22.45% | Typical | 4,716 | | Power density | 224.4 | 224.5 | Typical | 4,692 | | Temperature coefficient | -0.290 | -0.290 | Typical | 2,165 | | Weight per kWp | 44.8 | 52.3 | Strong - top 6% | 542 | | Performance warranty | 25 yrs | 30 yrs | Weak - bottom 10% | 9,798 | ### Strengths - **44.8 kg per kWp** - Top 6% of the N-type 550-600 W segment, against a median of 52.3. Ranked 542nd in the whole database. ### Watch out for - **25 year performance warranty** - Bottom 10% of the N-type 550-600 W segment, against a median of 30 yrs. - **Best for:** Weight-limited structures. - **Not ideal for:** Owners who want a long output guarantee. ## Specification ### Electrical - **Rated power (Pmax):** 580 W - **Efficiency:** 22.44 % - **Voltage at Pmax (Vmp):** 42.88 V - **Current at Pmax (Imp):** 13.53 A - **Open-circuit voltage (Voc):** 51.25 V - **Short-circuit current (Isc):** 14.51 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.290 %/degC - **Temperature coefficient of Voc:** -0.250 %/degC - **Temperature coefficient of Isc:** 0.045 %/degC - **NOCT:** 45 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** N-type - **Cell count:** 144 ### Physical - **Length:** 2279 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 26.0 kg - **Area:** 2.58 m2 - **Power density:** 224.4 Wp/m2 ### Warranty and degradation - **Product warranty:** 15 years - **Performance warranty:** 25 years - **Output guaranteed at end of warranty:** 89.0 % - **First-year degradation:** 1.00 % - **Annual degradation:** 0.42 % - **Output after 30 years:** 504 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 4716 of 14005 | | Power density | 4692 of 14005 | | Temperature coefficient | 2165 of 14005 | | Weight | 542 of 14005 | | Warranty | 9798 of 14005 | ## Pros - **Minimal LID degradation via N-type** - N-type cells show near-negligible LID (about 0.26% per independent ABPV360 testing from April 2026) compared to roughly 1.92% for classic P-type PERC cells, translating into higher energy yield right from the first year of operation. - **Efficiency on par with segment leaders** - Peak efficiency of 22.63% is essentially in line with top-tier comparable N-type series at the same 585 Wp power class: Hanersun Hitouch 5N (22.65%), Q-SUN Qrystal N8 (22.65%), and Risen RSM144-9 (22.6%). - **Wide power range of 430-585 Wp** - 9 variants within one series allow matching the module to both smaller rooftop installations and large commercial projects without mixing different product lines. - **Lower annual power degradation** - N-type technology shows an annual degradation rate of about 0.4% versus roughly 0.5% for P-type PERC, resulting in higher nameplate power retention over the module's lifetime compared to older constructions. ## Cons - **No BNEF Tier 1 manufacturer status** - Per the BloombergNEF Tier 1 ranking for Q2 2026, PolyCrown Solar Tech does not appear among the roughly 40-42 recognized Tier 1 manufacturers (e.g., JinkoSolar, Trina, JA Solar, DMEGC), which may complicate bank financing for larger projects. - **Warranty below 2026 N-type standard** - A 15-year product warranty and 25-year power warranty fall short of the current standard for premium N-type TOPCon modules, where segment leaders (Canadian Solar, Jinko, Trina, JA Solar) offer 25-year product coverage and 30-year linear performance warranties with a minimum 87.4% output floor at year 30. - **No bifacial variant in the series** - The series is monofacial only (is\_bifacial: false), while some comparable models - e.g., Risen RSM144-9-560-585BNDG (the BNDG designation suggesting a dual-glass/bifacial construction) - may deliver additional albedo-driven energy gain in the range of several to over ten percent. ## About this series PolyCrown Solar Tech Monocrystalline 144 panels utilize an advanced 144-cell architecture that reduces resistive losses, which directly translates into higher efficiency for the entire module. The use of **Half-Cut** technology allows the upper and lower parts of the panel to operate independently, which drastically reduces power drops in partial shading conditions. This design is an ideal solution for commercial installations and large rooftop projects where maximizing the use of available space while maintaining high mechanical resistance is key. Thanks to **PERC technology**, the cells capture light of different wavelengths more effectively, guaranteeing stable energy yields even on cloudy days, characteristic of the Polish climate. This series stands out from the competition with its **low temperature coefficient**, which means lower performance losses during hot summers. Investors appreciate these modules for their **optimized current flow**, which minimizes the risk of so-called hot-spots, thereby extending the lifespan of the entire system. By choosing this solution, the user receives a product that combines industrial durability with precision craftsmanship, making it one of the most cost-effective choices in the high-power module segment. This is equipment designed to work in demanding conditions, where every watt of generated energy and the long-term reliability of the investment count. ## Notable figures - At 22.4% efficiency, this panel is on par with typical \*\*N-type 550-600W\*\* modules - Power density of 224.4 W/m² matches the \*\*N-type 550-600W\*\* median - At -0.29%/°C, hot weather performance is typical for \*\*N-type 550-600W\*\* panels - 26.0 kg weight - 3.5 kg lighter than \*\*N-type 550-600W\*\* median (29.5 kg), reducing installation effort - #4716 for efficiency, #2165 for temperature performance out of 14005 panels ## Questions ### What warranty does the PolyCrown Solar Tech Monocrystalline144 series carry? The Monocrystalline144 series comes with a 15-year product warranty covering material and workmanship defects, plus a 25-year linear power output warranty. This means the manufacturer guarantees a minimum power yield — typically above 80% of rated output — through the end of the warranty period. That is among the longer standard terms in the high-wattage module segment. ### Does the N-type cell technology in the Monocrystalline144 series actually improve energy yield on overcast days? Yes. N-type cells are more responsive to diffuse irradiance than standard P-type cells. Under the overcast conditions typical of Central European climates, this translates to a realistically few percentage points of additional annual energy output. The absence of light-induced degradation (LID) further stabilizes the module's long-term performance parameters. ### How does the 144-cell half-cut design affect panel performance under partial shading? The half-cut architecture splits the panel into two independent halves — top and bottom. When a chimney, antenna, or adjacent module shades only one section, the other continues operating at full power. In a conventional full-cell panel, the entire cell string loses efficiency. With 144 half-cut cells instead of 72, each cell also has lower internal resistance, reducing resistive losses and minimizing the risk of hot-spots. ### Is the 585 Wp PolyCrown Monocrystalline144 panel suitable for a residential pitched roof? Modules in this 585 Wp class are primarily designed for commercial installations and large rooftop projects, given the dimensions typical of the 144-cell format. Installation on a residential pitched roof is technically feasible, but the roof's load-bearing capacity and available surface area should be verified with a certified installer beforehand — modules in this power class typically weigh approximately 28–32 kg. ### Do the Monocrystalline144 panels suffer significant power loss during hot summer temperatures? The Monocrystalline144 series features a low temperature coefficient, meaning reduced power losses on hot days. N-type cells typically achieve a temperature coefficient of around -0.30%/°C, outperforming standard P-type modules at -0.35%/°C or higher. In practice, at a module surface temperature of 40°C, power losses are noticeably lower than those of lower-cost competing products. ### Are PolyCrown Solar Tech Monocrystalline144 panels compatible with popular inverters available in Poland? Yes, the modules in this series are compatible with standard string inverters and microinverters widely available in Poland (including SMA, Fronius, Huawei, SolarEdge, and Deye). The key parameters to match are Voc, the inverter's MPPT voltage range, and maximum input current — confirm these against the specific model's datasheet and consult a system designer before purchase. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/ns-565-585mh-144-2279-1134-30black-b601d0dbe357.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Longi Solar LR7-60HVH-560M](https://comparepv.com/panel/longi-lr7-60hvh-560m) | 560 W | Cooler, +2.4 pp, +5 yr warranty | | [Longi Solar LR7-60HVH-555M](https://comparepv.com/panel/longi-lr7-60hvh-555m) | 555 W | Cooler, +2.2 pp, +5 yr warranty | | [AIKO AIKO-A630-MAH72Dw](https://comparepv.com/panel/aiko-aiko-a630-mah72dw) | 630 W | +50 W, heavier, +2.0 pp | | [Longi Solar LR7-60HVHL-550M](https://comparepv.com/panel/longi-lr7-60hvhl-550m) | 550 W | Lighter, +2.0 pp, +5 yr warranty | | [JA Solar JAT60S40-540/LR](https://comparepv.com/panel/ja-solar-jat60s40-540-lr) | 540 W | -40 W, +2.0 pp, +5 yr warranty | | [PolyCrown Solar Tech NS-565MH-144](https://comparepv.com/panel/polycrown-solar-tech-ns-565mh-144) | 565 W | -15 W, -0.6 pp | | [PolyCrown Solar Tech NS-570MH-144](https://comparepv.com/panel/polycrown-solar-tech-ns-570mh-144) | 570 W | -10 W, -0.4 pp | | [PolyCrown Solar Tech NS-575MH-144](https://comparepv.com/panel/polycrown-solar-tech-ns-575mh-144) | 575 W | -0.2 pp | | [PolyCrown Solar Tech NS-585MH-144](https://comparepv.com/panel/polycrown-solar-tech-ns-585mh-144) | 585 W | Very close match | | [AIKO AIKO-A650-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a650-mae72mw) | 650 W | +70 W, +2.8 pp, +5 yr warranty | | [AIKO AIKO-A645-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a645-mae72mw) | 645 W | +65 W, +2.6 pp, +5 yr warranty | | [AIKO AIKO-A640-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a640-mae72mw) | 640 W | +60 W, +2.4 pp, +5 yr warranty | | [AIKO AIKO-A635-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a635-mae72mw) | 635 W | +55 W, +2.2 pp, +5 yr warranty | --- Source: https://comparepv.com/panel/polycrown-solar-tech-ns-580mh-144 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.