Skip to main content
415Wp
Solar N Plus Review

SP-N16/108H415W

Monocrystalline
21.30%
Efficiency
212.5 Wp/m²
Power Density
-0.290%/°C
Temp. Coeff. Pmax chart
363W from 415W
Power after 30 years
  • Efficiency of 21.3% is 0.7pp below the TOPCon 400-450W median (22.0%)
  • Power density of 212.5 W/m² is 7.7 W/m² below TOPCon 400-450W median (220.2 W/m²) - needs more roof space
  • At -0.29%/°C, hot weather performance is typical for TOPCon 400-450W panels
  • #7009 for efficiency, #1739 for temperature performance out of 11672 panels
Performance Profile
Price Offers 0
Shop Country Price Price/kWp
Series SIRIUS 2 variants
415W
21.3%
This panel
420W
21.5%
Efficiency Range 21.3% - 21.5%
Avg. Efficiency 21.40%
Technology TOPCon
Dimensions 1722 × 1134 mm
Show series description

Solar N Plus SIRIUS photovoltaic panels set new standards in efficiency thanks to advanced N-type TOPCon cell technology, which effectively eliminates the problem of light-induced degradation. This series was designed to maximize energy yields even in low sunlight, which directly addresses the problem of unstable weather in the Polish climate. A key differentiator is the use of SMBB technology, which shortens the current flow path and minimizes the risk of micro-cracks, resulting in exceptional longevity for the entire installation. Thanks to a low temperature coefficient, the modules maintain high efficiency during summer heatwaves, outperforming standard older-type solutions. Bifacial versions allow for additional energy gain from radiation reflected off the ground, making them an ideal solution for large ground-mounted farms. The SIRIUS series is the optimal choice for business investors and single-family homeowners who prioritize a fast return on investment and decades of trouble-free operation. What distinguishes them from the competition is their exceptional resistance to extreme weather conditions and rigorous quality control, guaranteeing full repeatability of the parameters of each module. This is an advanced solution for those seeking a technological balance between innovation and real structural durability in harsh environments.

Panels from the same series differ mainly in power output while having identical dimensions. Learn why →
Electrical Parameters (STC)
Nominal Power (Pmax)415 Wp
Module Efficiency21.30%
Voltage at Max Power (Vmpp)31.49 V
Current at Max Power (Impp)13.18 A
Open Circuit Voltage (Voc)38.11 V
Short Circuit Current (Isc)13.92 A
Max System Voltage1500 V
Temperature Coefficients
Temp. Coeff. Pmax-0.290%/°C
Temp. Coeff. Voc-0.250%/°C
Temp. Coeff. Isc0.045%/°C
NOCT42°C
Cell Technology
Cell TypeMonocrystalline
Cell Count108
BifacialNo
Bifaciality Factor-
Dimensions & Weight
Length1722 mm
Width1134 mm
Height30 mm
Weight21.0 kg
Area1.95 m²
Power Density212.5 Wp/m²
Warranty
Product Warranty15 years
Performance Warranty30 years
End-of-Warranty Output87.4%
First Year Degradation1.00%
Annual Degradation0.40%/year
Key Specifications
21.30%
Efficiency
415 Wp
Power
-0.29%/°C
Temp Coeff
30 yrs
Warranty