--- title: "PolyCrown Solar Tech NS-690MH-132 690W Solar Panel - Specs & Review | ComparePV" description: "PolyCrown Solar Tech NS-690MH-132 690W solar panel. Specs: 22.21% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/polycrown-solar-tech-ns-690mh-132" updated: 2026-09-11 --- # PolyCrown Solar Tech NS-690MH-132 Middle of its segment, short guarantee 109 panels in the segment N-type 650-700 W ## Identity - **Manufacturer:** PolyCrown Solar Tech - **Model:** NS-690MH-132 - **Series:** Monocrystalline132 - **Rated power:** 690 W - **Cell technology:** N-type ## How it compares Compared against segment N-type 650-700 W (109 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 690 W | 660 W | Strong - top 14% | | | Module efficiency | 22.21% | 23.30% | Typical | 5,754 | | Power density | 222.1 | 233.2 | Typical | 5,734 | | Temperature coefficient | -0.290 | -0.290 | Typical | 2,165 | | Weight (kg) | 34.0 kg | 33.5 kg | Typical | | | Performance warranty | 25 yrs | 30 yrs | Weak - bottom 7% | 9,798 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 22.21% | 23.30% | Typical | 5,754 | | Power density | 222.1 | 233.2 | Typical | 5,734 | | Temperature coefficient | -0.290 | -0.290 | Typical | 2,165 | | Weight per kWp | 49.3 | 50.9 | Typical | 2,835 | | Performance warranty | 25 yrs | 30 yrs | Weak - bottom 7% | 9,798 | ### Watch out for - **25 year performance warranty** - Bottom 7% of the N-type 650-700 W segment, against a median of 30 yrs. Ranked 9,798th in the whole database. - **Not ideal for:** Owners who want a long output guarantee. ## Specification ### Electrical - **Rated power (Pmax):** 690 W - **Efficiency:** 22.21 % - **Voltage at Pmax (Vmp):** 40.99 V - **Current at Pmax (Imp):** 16.84 A - **Open-circuit voltage (Voc):** 49.52 V - **Short-circuit current (Isc):** 17.42 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:** 132 ### Physical - **Length:** 2384 mm - **Width:** 1303 mm - **Thickness:** 30 mm - **Weight:** 34.0 kg - **Area:** 3.11 m2 - **Power density:** 222.1 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:** 599 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 5754 of 14005 | | Power density | 5734 of 14005 | | Temperature coefficient | 2165 of 14005 | | Weight | 2835 of 14005 | | Warranty | 9798 of 14005 | ## Pros - **Efficiency on par with segment leaders** - Peak efficiency of 23.5% matches the top peer comparables (Huasun Himalaya V-ocean, Phono Solar Monocrystalline132, Recom Lynx), all also rated at 23.5% - the series is not lagging behind the current TOPCon/HJT front-runners. - **30-year power warranty** - The upper power-warranty bound reaches 30 years, exceeding the standard 25-year term offered by many tier-1 manufacturers. A longer warranty lowers investment risk over the full lifecycle of the installation. - **132-cell half-cut architecture** - Splitting the module into 132 half-cells reduces resistive losses and limits the impact of partial shading on string performance, which matters under the irregular irradiance conditions typical of the Polish climate. - **High mechanical strength and PID resistance** - A reinforced frame and tempered glass provide increased resistance to snow and wind loads, while enhanced PID resistance supports stable yields throughout the operating lifetime, per the manufacturer's specification. ## Cons - **No bifacial variant** - The series is monofacial only (is\_bifacial: false), whereas a direct peer comparable - Huasun Himalaya V-ocean, matching it at 730 Wp / 23.5% efficiency - is available as a dual-glass bifacial module, offering an additional yield uplift on ground-mount or high-albedo roof installations that this series cannot capture. - **Limited production scale and brand recognition** - PolyCrown Solar Tech (founded 2014) reports annual production capacity of roughly 200 MW, a small scale compared to gigawatt-class manufacturers on the BNEF Tier-1 list. No confirmed Tier-1 status may be a risk factor for bank financing of large commercial-scale projects. ## About this series PolyCrown Solar Tech Monocrystalline 132 panels utilize an advanced **132 Half-Cut cell** architecture, which significantly minimizes energy losses resulting from partial shading and internal resistance. Thanks to the use of **PERC cell technology**, these modules achieve high solar radiation conversion efficiency, which is crucial in the conditions of Poland's variable climate. This design solves the problem of limited installation space, allowing for more power per square meter of roof compared to standard modules. This series stands out with **increased resistance to potential-induced degradation** (PID), which guarantees stable yields and installation longevity for decades. It is an optimal choice for demanding prosumers and large commercial systems, where a quick return on investment and mechanical reliability are key. A special frame and tempered glass provide **exceptional resistance to snow and wind loads**, distinguishing them from cheaper alternatives with lower structural rigidity. By choosing these panels, investors receive modern technology that effectively lowers electricity bills while maintaining the aesthetic, dark appearance of monocrystalline cells that blends perfectly with modern building architecture. The 132 series represents the perfect balance between high power and optimal module size. ## Notable figures - Module efficiency of 22.2% is 1.1pp below average for \*\*N-type 650-700W\*\* panels (median: 23.3%) - At 222.1 W/m², this panel generates 11.1 W/m² less per unit area than \*\*N-type 650-700W\*\* median (233.2 W/m²) - Temperature coefficient of -0.29%/°C matches the \*\*N-type 650-700W\*\* median - In the top 41% for efficiency among all N-type panels ## Questions ### What is TOPCon technology in PolyCrown Solar Tech Monocrystalline132 panels and why is it better than PERC? TOPCon (Tunnel Oxide Passivated Contact) is an n-type cell technology that uses an ultra-thin tunnel oxide layer on the rear cell surface to significantly reduce carrier recombination. In practice, this translates to higher module efficiency (consistently above 22.5%) and a lower temperature coefficient of around -0.28%/°C compared to approximately -0.35%/°C for PERC cells. The Monocrystalline132 series benefits from these advantages, delivering higher power output and slower degradation throughout the entire 30-year power warranty period. ### What is the warranty on PolyCrown Solar Tech Monocrystalline132 panels? The manufacturer provides a 15-year product warranty covering material and workmanship defects, along with a 30-year linear power output warranty. The power warranty guarantees that each panel retains a specified minimum percentage of its rated 730 Wp output over 30 years. This gives investors confidence in the longevity of their system and predictable returns on investment over three decades. ### Are PolyCrown Solar Tech Monocrystalline132 730 Wp panels suitable for a residential sloped roof? At 730 Wp, these are large-format modules primarily designed for commercial installations and utility-scale solar farms. On a residential sloped roof, their considerable dimensions and weight may complicate transport, installation, and may require reinforcement of the roof structure. We strongly recommend consulting a certified installer and verifying the load-bearing capacity of the roof before purchase. For residential prosumer installations, modules in the 400-450 Wp range are typically a better fit. ### How do PolyCrown Monocrystalline132 panels perform in winter and overcast conditions typical of Poland? TOPCon technology with half-cut cells performs well under low-irradiance conditions: the low temperature coefficient (-0.28%/°C) means that cool days actually favor higher efficiency compared to hot summer conditions. The 132 half-cut cell architecture limits the impact of partial shading and diffuse cloud cover. In the Polish climate, this translates to higher energy yields during transitional seasons compared to older PERC-based modules. ### Is the Monocrystalline132 series resistant to shading from a chimney or nearby trees? Yes. The 132 half-cut cell layout divides the module into two independent electrical sections. Shading on the upper half of the panel does not block the output of the lower half, which significantly reduces power loss. Combined with high resistance to PID (Potential Induced Degradation), this ensures stable performance even in challenging installation environments with chimneys, dormers, or nearby vegetation on the east or west side of the roof. ### Do PolyCrown Solar Tech Monocrystalline132 panels carry certifications and are they compatible with popular inverters? PolyCrown Solar Tech, listed in the ENF Solar manufacturer database, produces modules subject to IEC 61215 and IEC 61730 certifications required for the European market. At 730 Wp and the associated high open-circuit voltage, these modules require an inverter or MPPT optimizer rated for inputs above 1000 V DC, which is standard on most current string inverters from Fronius, SMA, Huawei, and SolarEdge. Always verify the inverter datasheet for maximum input short-circuit current Isc compatibility. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/ns-690-730mh-132-2384-1303-30-dd64715fcd54.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [AIKO AIKO-A650-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a650-mae72mw) | 650 W | Lighter, +3.0 pp, +5 yr warranty | | [AIKO AIKO-A680-MDE72Mw](https://comparepv.com/panel/aiko-aiko-a680-mde72mw) | 680 W | Lighter, +3.0 pp, +5 yr warranty | | [AIKO AIKO-A675-MDE72Mw](https://comparepv.com/panel/aiko-aiko-a675-mde72mw) | 675 W | Lighter, +2.8 pp, +5 yr warranty | | [AIKO AIKO-A645-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a645-mae72mw) | 645 W | Lighter, +2.8 pp, +5 yr warranty | | [AIKO AIKO-A700-MAE78Dw](https://comparepv.com/panel/aiko-aiko-a700-mae78dw) | 700 W | Cooler, +2.8 pp, +5 yr warranty | | [AIKO AIKO-A695-MAE78Dw](https://comparepv.com/panel/aiko-aiko-a695-mae78dw) | 695 W | Cooler, +2.7 pp, +5 yr warranty | | [AIKO AIKO-G670-MCH72Mw](https://comparepv.com/panel/aiko-aiko-g670-mch72mw) | 670 W | Lighter, +2.6 pp, +5 yr warranty | | [PolyCrown Solar Tech NS-650MH-132](https://comparepv.com/panel/polycrown-solar-tech-ns-650mh-132) | 650 W | Heavier, -1.3 pp, +5 yr warranty | | [PolyCrown Solar Tech NS-655MH-132](https://comparepv.com/panel/polycrown-solar-tech-ns-655mh-132) | 655 W | Heavier, -1.1 pp, +5 yr warranty | | [PolyCrown Solar Tech NS-660MH-132](https://comparepv.com/panel/polycrown-solar-tech-ns-660mh-132) | 660 W | Heavier, -1.0 pp, +5 yr warranty | | [PolyCrown Solar Tech NS-665MH-132](https://comparepv.com/panel/polycrown-solar-tech-ns-665mh-132) | 665 W | Heavier, -0.8 pp, +5 yr warranty | | [PolyCrown Solar Tech NS-670MH-132](https://comparepv.com/panel/polycrown-solar-tech-ns-670mh-132) | 670 W | Heavier, -0.7 pp, +5 yr warranty | | [PolyCrown Solar Tech NS-700MH-132](https://comparepv.com/panel/polycrown-solar-tech-ns-700mh-132) | 700 W | +10 W, +0.3 pp | | [PolyCrown Solar Tech NS-710MH-132](https://comparepv.com/panel/polycrown-solar-tech-ns-710mh-132) | 710 W | +20 W, +0.6 pp | | [PolyCrown Solar Tech NS-720MH-132](https://comparepv.com/panel/polycrown-solar-tech-ns-720mh-132) | 720 W | +30 W, +1.0 pp | | [PolyCrown Solar Tech NS-730MH-132](https://comparepv.com/panel/polycrown-solar-tech-ns-730mh-132) | 730 W | +40 W, +1.3 pp | | [AIKO AIKO-A805-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a805-grh78dw) | 805 W | +115 W, heavier, +2.9 pp | --- Source: https://comparepv.com/panel/polycrown-solar-tech-ns-690mh-132 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.