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645Wp
Astronergy Review

CHSM78N(DG)/F-BH-645

MonocrystallineBifacial
23.10%
Efficiency
230.7 Wp/m²
Power Density
-0.290%/°C
Temp. Coeff. Pmax chart
564W from 645W
Power after 30 years
  • At 23.1% efficiency, this panel is on par with typical TOPCon 600-650W modules
  • At 230.7 W/m² power density, this panel generates 3.0 W/m² more per unit area than TOPCon 600-650W median (227.7 W/m²)
  • At -0.29%/°C, hot weather performance is typical for TOPCon 600-650W panels
  • At 34.7 kg (2.1 kg above TOPCon 600-650W median of 32.6 kg), requires checking roof load capacity
  • #1159 for efficiency, #1739 for temperature performance out of 11672 panels
Performance Profile
Price Offers 0
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Series ASTRO N5 CHSM78N(DG)/F-BH 6 variants
Efficiency Range 22.4% - 23.3%
Avg. Efficiency 22.82%
Technology TOPCon
Dimensions 2465 × 1134 mm
Show series description

The Astronergy ASTRO N5 CHSM78N(DG)/F-BH series panels represent an advanced solution based on N-type TOPCon cell technology, which effectively eliminates the problem of light-induced degradation. Due to the bifacial design with double glass, these modules maximize energy yields by absorbing radiation reflected from the ground, making them an ideal choice for large solar farms and demanding commercial installations. The application of multilayer Double Glass protection significantly enhances mechanical resistance to extreme weather conditions, such as strong winds or snow loads, while simultaneously extending the system's overall lifespan. A distinguishing feature of this series is its exceptionally low temperature coefficient, ensuring stable operation and high efficiency even on hot days when traditional modules lose power. This solution addresses the needs of investors looking to maximize the rate of return through higher efficiency in low-light conditions and minimized transmission losses. Compared to standard P-type modules, the ASTRO N5 series offers a slower performance decline over time, translating into real profits over long-term operation. It is a solid choice for professionals prioritizing technical innovations that directly reduce the lowest levelized cost of energy LCOE in large-scale projects.

Panels from the same series differ mainly in power output while having identical dimensions. Learn why →
Electrical Parameters (STC)
Nominal Power (Pmax)645 Wp
Module Efficiency23.10%
Voltage at Max Power (Vmpp)46.95 V
Current at Max Power (Impp)13.74 A
Open Circuit Voltage (Voc)56.81 V
Short Circuit Current (Isc)14.43 A
Max System Voltage1500 V
Temperature Coefficients
Temp. Coeff. Pmax-0.290%/°C
Temp. Coeff. Voc-0.250%/°C
Temp. Coeff. Isc0.043%/°C
NOCT41°C
Cell Technology
Cell TypeMonocrystalline
Cell Count156
BifacialYes
Bifaciality Factor-
Dimensions & Weight
Length2465 mm
Width1134 mm
Height30 mm
Weight34.7 kg
Area2.80 m²
Power Density230.7 Wp/m²
Warranty
Product Warranty15 years
Performance Warranty30 years
End-of-Warranty Output87.4%
First Year Degradation1.00%
Annual Degradation0.40%/year
Key Specifications
23.10%
Efficiency
645 Wp
Power
-0.29%/°C
Temp Coeff
30 yrs
Warranty