Skip to main content
Astronergy Brand review

CHSM54RNs(DG)(BLH)/F-BH-460

460 Wp TOPCon Bifacial 2500%
ComparePV verdict

Light for its output, no clear weak spot

Rank 5,148 of 14,005
Compare panels Datasheet PDF
Power (Wp)
460
Typical for its class
Efficiency (%)
23.00
Strong · top 22%
Density (Wp/m²)
230.2
Strong · top 20%
Temp (%/°C)
-0.290
Typical · median -0.290
Weight (kg)
21.5
Strong · 2.5 kg below median
Warranty (yrs)
30
Typical · median 30 yrs

The Astronergy ASTRO N7s series is an advanced solution designed to maximize yields from limited roof space. It utilizes innovative n-type TOPCon cell technology combined with the ZBB (Zero Busbar) solution, which eliminates traditional busbars from the front of the cell. Thanks to this, the modules are characterized not only by higher aesthetics but, above all, by better light absorption and lower resistance losses. The use of Gapless construction has allowed for minimizing gaps between cells, which directly translates into record power density. It is an ideal choice for prosumers facing the problem of complex roofs with small surfaces that require compact yet high-performance components. Unlike standard products, ASTRO N7s offer exceptional resistance to LID and LeTID degradation, which guarantees energy production stability for several decades. This series also stands out with an excellent temperature coefficient, working efficiently even during hot summer days. By choosing these panels, the investor receives a premium-class product that combines modern Full Black design with the reliability necessary in the dynamically changing climate conditions of Poland.

Ranking

1,089 panels in the segment TOPCon 450-500 W
Metric This panel Median Position in segment Overall rank
Module efficiency 23.00% 22.52% Strong · top 22% 1,919
Power density 230.2 225.2 Strong · top 20% 1,876
Temperature coefficient -0.290 -0.290 Typical 2,165
Weight per kWp 46.7 52.2 Strong · top 20% 1,324
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

8 positive · 1 caution
Best for

Residential and hot-climate.

Strengths
46.7 kg per kWp

Top 20% of the TOPCon 450-500 W segment, against a median of 52.2.

230.2 watts per square metre

Top 20% of the TOPCon 450-500 W segment, against a median of 225.2.

23.00% module efficiency

Top 22% of the TOPCon 450-500 W segment, against a median of 22.52%.

What owners get
Best-in-Class Efficiency

The series achieves module efficiency of up to 23.3%, outperforming direct competitors: the DAH DHN-54R18 (22.78%) by approximately 0.5 percentage points and the JS Solar/Jinko JS182MHC120 (21.48%) by nearly 2 percentage points. In practice, this translates to higher energy yield per m² of roof area.

Zero Busbar + N-Type TOPCon — Reduced Losses

Zero Busbar (ZBB) technology eliminates conventional busbars, reducing cell-front shading and series resistance. Combined with N-type TOPCon cells, LID and LeTID degradation rates are significantly lower than in PERC modules, as confirmed by the official Astronergy datasheet (EN edition, June 2024).

30-Year Linear Power Warranty

The manufacturer guarantees degradation of ≤1.0% in year one and ≤0.4% per year in years 2–30, ensuring >87% of rated power output after three decades. Comparable segment peers (JS Solar, Jinko) typically offer a 25-year linear power warranty.

Low Temperature Coefficient

The temperature coefficient of power is -0.29%/°C (per the Astronergy datasheet), ranking among the best results in the TOPCon class (typical range: -0.30% to -0.35%). At a module operating temperature of 65°C — representative of Polish summer conditions — power loss is approximately 2 W/kWp lower than at -0.35%/°C.

Bifacial Design — Additional Rear-Side Yield

The bifacial construction enables absorption of light reflected from the mounting surface. According to manufacturer data, the bifaciality factor exceeds 70%, which — over a high-albedo surface such as light gravel or a white TPO membrane — can increase annual energy yield by 5–15% compared to a monofacial module.

Trade-offs
Series Discontinued (2024)

The ASTRO N7s was discontinued in 2024 (launched 2023, end-of-life 2024). This results in limited market availability, no guarantee of continuous supply for replacement components (e.g., wiring harnesses, frames), and potential difficulties in sourcing identical modules for system expansions after 2025.

Notes from the database
  • Efficiency of 23.0% matches the TOPCon 450-500W median
  • Power density of 230.2 W/m² packs 5.0 W/m² more into the same footprint vs TOPCon 450-500W median (225.2 W/m²)
  • Temperature coefficient of -0.29%/°C matches the TOPCon 450-500W median
  • Weight of 21.5 kg (2.5 kg below TOPCon 450-500W median of 24.0 kg) allows easier transport and roof mounting
  • #1919 for efficiency, #2165 for temperature performance out of 14005 panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 460 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 23.00 % Strong Segment median 22.52%
Vmpp · Impp 33.73 V · 13.64 A Operating point at max power
Voc · Isc 39.80 V · 14.45 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1762×1134×30 mm · 2.00 m² of roof
Weight 21.5 kg Strong Strong · 2.5 kg below median
Cells 108 · TOPCon Monocrystalline
Bifaciality 2500 % Rear output as a share of front
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 25 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 87.4 % Equals 402 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 460 Wp appear here. The rest cover the whole series.

30-Year Linear Power Warranty 30-Year Linear Power Warranty 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
-
With bifacial gain
-

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
-
Bifacial gain
Rear gain over light concrete: -
-

Model: bifaciality × albedo × 0.6 view factor. A first-order estimate, not a yield simulation.

Filter these
Size
Panel Power Eff. Temp. Weight Difference
Astronergy CHSM54RNs(DG)(BLH)/F-BH-460 460 W 23.00% -0.290 21.5 kg You are here
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +50 W, cooler, +2.0 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +35 W, cooler, +1.8 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +45 W, cooler, +1.7 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +30 W, cooler, +1.5 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg +40 W, cooler, +1.5 pp
CIPRO-TN9C54M-500W 500 W 24.50% -0.260 21.4 kg +40 W, cooler, +1.5 pp
CHSM48RN(DG)/F-BH-440 440 W 22.00% -0.290 24.5 kg -20 W, heavier, -1.0 pp
CHSM48RN(DG)/F-BH-445 445 W 22.30% -0.290 24.5 kg -15 W, heavier, -0.7 pp
CHSM48RN(DG)(BLH)/F-BH-450 450 W 22.50% -0.290 24.5 kg -10 W, heavier, -0.5 pp

Found 1395 panels of the same or similar size to this one, within ±10 mm. See them here Found 1425 panels of the same or similar size to this one, within ±25 mm. See them here Found 3614 panels of the same or similar size to this one, within ±50 mm. See them here Found 3962 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
What does ZBB technology mean in Astronergy ASTRO N7s panels, and does it genuinely improve performance?
ZBB (Zero Busbar) is a design approach that eliminates conventional busbars from the cell surface. Instead, thin interconnecting ribbons are used, which reduces shading of the active cell area and lowers resistive losses. Combined with the Gapless cell layout — which minimizes inter-cell spacing — the ASTRO N7s achieves a module efficiency exceeding 22%. This directly translates into greater energy yield from the same roof area compared to standard panels of equivalent format.
What warranty does the Astronergy ASTRO N7s carry, and what does it cover?
Astronergy provides a 25-year product warranty on the ASTRO N7s series and a 30-year linear power output warranty. The manufacturer guarantees that first-year degradation will not exceed 1%, with subsequent annual degradation capped at 0.4% per year. After 30 years of operation, the panel retains a substantial portion of its original 465 Wp rated power, making it a competitive premium-tier solution in the Polish prosumer installation market.
Are the Astronergy ASTRO N7s 465 Wp panels a good choice for a small or complex roof?
Yes, the ASTRO N7s series was specifically engineered with limited and irregular roof surfaces in mind. The Gapless cell construction minimizes inter-cell spacing, achieving one of the highest power densities in the prosumer segment. The module's bifacial design also allows additional energy gains from albedo reflection off the mounting surface, which on light-colored roofing materials can increase the overall system energy yield by several percent.
Is the Astronergy ASTRO N7s series still available for purchase?
The ASTRO N7s series has been discontinued and is no longer actively offered by Astronergy. It has been succeeded by the newer ASTRO N7s 2.0 lineup, based on TOPCon 5.0 technology, achieving power outputs of up to 475–530 W and efficiencies of up to 23.5%. If you are looking for a comparable Full Black n-type TOPCon solution with a 30-year power warranty, contact your distributor to check current availability of panels from the N7s 2.0 series.
How do the Astronergy ASTRO N7s panels handle summer heat, and do they lose significant power at high temperatures?
The ASTRO N7s panels use n-type TOPCon cells, which feature a more favorable temperature coefficient than older p-type PERC cells. This means less power loss on hot days when module temperature on the roof can exceed 60–70 °C. In Polish climatic conditions, where summers are becoming increasingly warm, the superior thermal stability of TOPCon technology translates into measurably higher energy yields during the summer season.
Are the Astronergy ASTRO N7s panels resistant to LID and LeTID degradation that installers often mention?
Yes, the ASTRO N7s is based on n-type TOPCon cells, which are inherently highly resistant to both LID (Light Induced Degradation) and LeTID (Light and elevated Temperature Induced Degradation). Older p-type PERC cells could lose as much as 2–3% of their rated power within the first hours of operation. In the case of the ASTRO N7s, first-year degradation does not exceed 1%, after which it drops to 0.4% per year over the remaining 29 years covered by the linear power warranty.
Add to compare