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Astronergy CHSM54N(BL)-HC / CHSM54N(BLH)-HC (430W class)
Astronergy Brand review

CHSM54N(BL)-HC / CHSM54N(BLH)-HC (430W class)

430 Wp TOPCon
ComparePV verdict

Solid all-round for its segment

Rank 9,549 of 14,005
Compare panels Datasheet PDF
Power (Wp)
430
Typical for its class
Efficiency (%)
22.00
Typical · median 22.00%
Density (Wp/m²)
220.2
Typical · median 220.2
Temp (%/°C)
-0.290
Typical · median -0.290
Weight (kg)
21.3
Typical · median 22.0 kg
Warranty (yrs)
30
Typical · median 30 yrs

Astronergy ASTRO N5s (Monofacial) series was designed to extract more energy from the same rooftop surface - without complicating the installation project. At the core of this line are TOPCon n-type cells, which help operate more stably under variable conditions and reduce losses when modules heat up during summer. In practice, this translates to more predictable yields and better profitability throughout the installation's entire life cycle.

This product stands out among many popular solutions due to its low power degradation over time and long linear warranty, which is particularly important for investors looking for returns over a longer horizon. The construction is based on a half-cut structure and Super Multi Busbar (SMBB) technology, improving performance under partial shading and increasing resistance to micro-cracks that occur during transport or during installation.

This is a great choice for residential and small commercial installations where high power density in a compact format matters, along with aesthetics (e.g., the full black variant) and compatibility with popular inverters and mounting systems.

Ranking

1,218 panels in the segment TOPCon 400-450 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.00% 22.00% Typical 6,517
Power density 220.2 220.2 Typical 6,481
Temperature coefficient -0.290 -0.290 Typical 2,165
Weight per kWp 49.5 51.4 Typical 3,084
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

5 positive · 2 caution
Best for

Residential, commercial and shaded-installations.

What owners get
Confirmed low degradation (TÜV NORD)

ASTRO N-type TOPCon modules have obtained TÜV NORD certification for LETID resistance and have achieved a first-year degradation of 0.66% (industry average ~1%), with degradation rates of ≤0.4%/year in years 2–30 – which translates to ≥87.4% power output after 30 years.

Low thermal expansion coefficient of -0.29%/°C

The value of -0.29°C/°C is significantly better than typical PERC modules (-0.34 to -0.37°C/°C). At an operating temperature of 60°C, this translates to approximately 7W more power compared to a PERC module with the same nominal power – a direct result of the N-type TOPCon technology.

30-year fixed-term insurance, externally guaranteed

The power guarantee is insured by an independent international insurer (as confirmed in the datasheets for the N5s series), which protects the investor even in the event of financial difficulties for the manufacturer – a key argument when calculating the ROI of a prosumer or commercial installation.

BNEF Tier 1, ranking 6th

Astronergy was ranked in the top 6 of BloombergNEF's 2023 bankability index, which confirms its ability to finance non-recourse projects. The company has been operating since 2006 and is part of the CHINT group – one of the largest energy conglomerates in China, which reduces the risk of non-performance of guarantees.

Competitive pricing with Tier-1 specifications

Astronergy is independently rated as a 'budget Tier 1' (A1SolarStore, SolarChoice), and its distribution through Energynat Trade ensures availability on the European market – with performance comparable to similar products (e.g., Lina Energy 22.37%, KDM 22.5%) its price-to-performance ratio is favorable for typical 10–50 kWp installations.

Trade-offs
15-year product warranty (compared to 25 years offered by competitors)

ASTRO N5s offers a 15-year product warranty, while the Luxor Solar ECO LINE N-TYPE in the same segment provides 25 years of performance/efficiency. For commercial installations with the financial institution's requirement for a minimum product warranty period, this could be a limiting factor.

Performance 0.36 pp below the segment leader

The maximum efficiency of 22.5% (at 440 Wp) is lower than that of the Luxor Solar ECO LINE N-TYPE NON-REFLECT, which achieves 22.86% at the same power of 440 Wp. On a roof with limited surface area, this difference could mean the need to install an additional module, especially for larger systems.

Notes from the database
  • At 22.0% efficiency, this panel is on par with typical TOPCon 400-450W modules
  • Power density of 220.2 W/m² matches the TOPCon 400-450W median
  • Temperature coefficient of -0.29%/°C matches the TOPCon 400-450W median
  • In the top 47% for efficiency among all TOPCon panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 430 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.00 % Typical Segment median 22.00%
Vmpp · Impp 32.27 V · 13.33 A Operating point at max power
Voc · Isc 38.40 V · 14.09 A Sizes the string length
Dimensions 1722×1134×30 mm · 1.95 m² of roof
Weight 21.3 kg Typical Typical · median 22.0 kg
Cells 108 · TOPCon Monocrystalline
Coefficient Pmax -0.290 %/°C Typical median -0.290 of its segment
Coefficient Voc · Isc -0.250 · 0.043 %/°C
NOCT 41 °C At 800 W/m², 20 °C ambient
Product warranty 15 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 87.4 % Equals 376 W guaranteed
Degradation 1.00 → 0.40 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by Astronergy in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 430 Wp appear here. The rest cover the whole series.

30-year Linear Power Warranty 30-year Linear Power Warranty Whole series Current-Voltage (430W) Current-Voltage (430W) 430 W Power-Voltage (430W) Power-Voltage (430W) 430 W Current-Voltage (430W) Current-Voltage (430W) 430 W

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
Astronergy CHSM54N(BL)-HC / CHSM54N(BLH)-HC (430W class) 430 W 22.00% -0.290 21.3 kg You are here
AIKO-A480-MAH54Mw 480 W 24.10% -0.260 21.5 kg +50 W, cooler, +2.1 pp
GK-5-54HG-480M 480 W 24.10% -0.260 21.0 kg +50 W, cooler, +2.1 pp
JKM480N-48QL6-DB-F2-EU 480 W 24.02% -0.260 24.4 kg +50 W, heavier, +2.0 pp
GKA96N-PRO-480W 480 W 24.02% -0.300 21.0 kg +50 W, hotter, +2.0 pp
CHSM54N(BL)-HC / CHSM54N(BLH)-HC (420W class) 420 W 21.50% -0.290 21.3 kg -10 W, -0.5 pp
CHSM54N(BL)-HC / CHSM54N(BLH)-HC (425W class) 425 W 21.80% -0.290 21.3 kg Very close match
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +80 W, cooler, +3.0 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +65 W, cooler, +2.8 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +75 W, cooler, +2.7 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +60 W, cooler, +2.5 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg +70 W, cooler, +2.5 pp
CIPRO-TN9C54M-500W 500 W 24.50% -0.260 21.4 kg +70 W, cooler, +2.5 pp

Found 1783 panels of the same or similar size to this one, within ±10 mm. See them here Found 1914 panels of the same or similar size to this one, within ±25 mm. See them here Found 3392 panels of the same or similar size to this one, within ±50 mm. See them here Found 3970 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
What warranty coverage applies to Astronergy ASTRO N5s Monofacial panels?
The ASTRO N5s series carries a 15-year product warranty covering manufacturing defects and workmanship, alongside a 30-year linear power output warranty. The manufacturer guarantees that after 30 years of operation the panel will retain at least 87.4% of its original rated power. This is one of the longest power warranties in its product class and represents a compelling argument for investors calculating the long-term return on a PV installation.
What is TOPCon technology and why does the ASTRO N5s series use it?
TOPCon (Tunnel Oxide Passivated Contact) is an n-type cell technology that minimizes charge-carrier recombination at the cell surface. In practical terms, this yields higher efficiency than older PERC cells and a lower temperature coefficient of approximately -0.29%/°C, meaning ASTRO N5s modules lose less power output during hot summer days. The N5s series adopts this technology to deliver more consistent energy yields throughout the year.
Do ASTRO N5s panels perform well under partial shading from a chimney or dormer window?
Yes. The half-cut cell architecture (108 cells split in half) combined with Super Multi Busbar (SMBB) technology significantly improves module performance under partial shading conditions. When a portion of the cells is shaded, the remainder of the panel continues to generate power and losses are confined to the shaded section. As a result, the ASTRO N5s performs better on rooftops with chimneys, skylights, or dormers than older full-cell module designs.
Is the Astronergy ASTRO N5s series available in a full black version?
Yes. Within the ASTRO N5s series there is a variant featuring a black frame and black backsheet (full black), designated in the product catalog with the abbreviation BL or BLH. This option is widely chosen for installations on highly visible roof sections where aesthetics are a priority. The full black variant reaches a maximum power output of up to 440 Wp, meaning the visually refined version does not require any compromise on performance.
Are ASTRO N5s panels suitable for pitched roofs on single-family homes?
Yes. The ASTRO N5s series was designed with prosumer installations and small commercial buildings in mind. The module's compact dimensions (approximately 1722 x 1134 mm) and weight below 25 kg simplify transportation and installation on standard pitched roofs. A power output of up to 440 Wp allows a high total system capacity to be achieved on a limited roof area, which is critical when working with smaller roof sections.
Is Astronergy a reliable manufacturer, and do ASTRO N5s panels hold the relevant certifications?
Astronergy is a Tier 1 manufacturer according to the Bloomberg NEF classification, which represents the highest category of financial and manufacturing credibility. The company regularly achieves Top Performer status in independent testing by the PVEL laboratory. ASTRO N5s modules are certified to IEC 61215 and IEC 61730 and comply with the safety standards required in European markets, including Poland.
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