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PolyCrown Solar Tech Brand review

NS-570MH-144

570 Wp N-type
ComparePV verdict

Light for its output, short guarantee

Rank 5,571 of 14,005
Compare panels Datasheet PDF
Power (Wp)
570
Typical for its class
Efficiency (%)
22.05
Weak · bottom 19%
Density (Wp/m²)
220.6
Weak · bottom 22%
Temp (%/°C)
-0.290
Typical · median -0.290
Weight (kg)
26.0
Strong · 3.5 kg below median
Warranty (yrs)
25
Weak · bottom 10%

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.

Ranking

259 panels in the segment N-type 550-600 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.05% 22.45% Weak · bottom 19% 6,233
Power density 220.6 224.5 Weak · bottom 22% 6,158
Temperature coefficient -0.290 -0.290 Typical 2,165
Weight per kWp 45.6 52.3 Strong · top 11% 777
Performance warranty 25 yrs 30 yrs Weak · bottom 10% 9,798
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

5 positive · 6 caution
Best for

Weight-limited structures.

Not ideal for

Owners who want a long output guarantee, tight roof space and roofs where every square metre has to count.

Strengths
45.6 kg per kWp

Top 11% of the N-type 550-600 W segment, against a median of 52.3.

Watch-outs
25 year performance warranty

Bottom 10% of the N-type 550-600 W segment, against a median of 30 yrs.

22.05% module efficiency

Bottom 19% of the N-type 550-600 W segment, against a median of 22.45%.

220.6 watts per square metre

Bottom 22% of the N-type 550-600 W segment, against a median of 224.5.

What owners get
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.

Trade-offs
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.

Notes from the database
  • Efficiency of 22.1% matches the N-type 550-600W median
  • 220.6 W/m² power density is 3.9 W/m² below N-type 550-600W median (224.5 W/m²) - requires larger installation area
  • Temperature coefficient of -0.29%/°C matches the N-type 550-600W median
  • Weight of 26.0 kg (3.5 kg below N-type 550-600W median of 29.5 kg) allows easier transport and roof mounting
  • #6233 for efficiency, #2165 for temperature performance out of 14005 panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 570 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.05 % Weak Segment median 22.45%
Vmpp · Impp 42.66 V · 13.37 A Operating point at max power
Voc · Isc 50.90 V · 14.35 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2279×1134×30 mm · 2.58 m² of roof
Weight 26.0 kg Strong Strong · 3.5 kg below median
Cells 144 · N-type Monocrystalline
Coefficient Pmax -0.290 %/°C Typical median -0.290 of its segment
Coefficient Voc · Isc -0.250 · 0.045 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Product warranty 15 years Hardware defects only
Performance warranty 25 years Weak bottom 10% · median 30 yrs
End-of-warranty output 89.0 % Equals 495 W guaranteed
Degradation 1.00 → 0.42 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by PolyCrown Solar Tech in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 570 Wp appear here. The rest cover the whole series.

Current-Voltage Curve Current-Voltage Curve Whole series Power-Voltage Curve Power-Voltage Curve Whole series Voltage-Current Curve at Different Temperatures Voltage-Current Curve at Different Temperatures Whole series

Simulations

Live - change any input
Lifetime output & value
30 years at 1200 kWh/kWp/year and €0.50 per kWh
Power in year 30
-
Lifetime energy
-
Energy value
-

Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.

Heat losses
-0.290 %/°C against a segment median of -0.290
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
PolyCrown Solar Tech NS-570MH-144 570 W 22.05% -0.290 26.0 kg You are here
LR7-60HVH-560M 560 W 24.80% -0.260 25.0 kg Cooler, +2.8 pp, +5 yr warranty
LR7-60HVH-555M 555 W 24.60% -0.260 25.0 kg Cooler, +2.6 pp, +5 yr warranty
LR7-60HVHL-550M 550 W 24.40% -0.260 16.3 kg Lighter, +2.3 pp, +5 yr warranty
JAT60S40-540/LR 540 W 24.40% -0.260 23.5 kg -30 W, +2.3 pp, +5 yr warranty
GK-5-60HG-540M 540 W 24.40% -0.260 23.3 kg -30 W, +2.3 pp, +5 yr warranty
JKM545-54QL6-DV-F1-EU 545 W 24.27% -0.260 27.5 kg Cooler, +2.2 pp, +5 yr warranty
LR7-60HVH-545M 545 W 24.20% -0.260 25.0 kg Cooler, +2.1 pp, +5 yr warranty
NS-565MH-144 565 W 21.86% -0.290 26.0 kg Very close match
NS-575MH-144 575 W 22.24% -0.290 26.0 kg Very close match
NS-580MH-144 580 W 22.44% -0.290 26.0 kg +10 W, +0.4 pp
NS-585MH-144 585 W 22.63% -0.290 26.0 kg +15 W, +0.6 pp
AIKO-A650-MAE72Mw 650 W 25.20% -0.260 27.0 kg +80 W, +3.1 pp, +5 yr warranty
AIKO-A645-MAE72Mw 645 W 25.00% -0.260 27.0 kg +75 W, +2.9 pp, +5 yr warranty
AIKO-A640-MAE72Mw 640 W 24.80% -0.260 27.0 kg +70 W, +2.8 pp, +5 yr warranty
AIKO-A635-MAE72Mw 635 W 24.60% -0.260 27.0 kg +65 W, +2.6 pp, +5 yr warranty
AIKO-A630-MAH72Dw 630 W 24.40% -0.260 32.5 kg +60 W, heavier, +2.3 pp

Found 2326 panels of the same or similar size to this one, within ±10 mm. See them here Found 2368 panels of the same or similar size to this one, within ±25 mm. See them here Found 2382 panels of the same or similar size to this one, within ±50 mm. See them here Found 2542 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
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.
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