Overview
Solar panel
450W · 23.07% efficiency · Monocrystalline solar panel by Sirius PV
Power
450W
Efficiency
23.07%
Voc
39.21V
Warranty
25 Years Product Warranty / 30 Years Linear
Price
$304
$304.39
at A1 SolarstoreImages
Where to Buy
Affiliate links — we may earn a commission. Learn more
Price History
All-time low: $304.39 at A1 Solarstore (April 12, 2026)
Pros and Cons
Pros
- High efficiency (23.07%) — more power per square foot of roof space
- High wattage (450W) — fewer panels needed for your system
- Strong warranty coverage (25 Years Product Warranty / 30 Years Linear)
- Monocrystalline cells — better performance in low light and heat
Cons
- No manufacturer documentation available on our site
Specifications
Electrical Specifications
Rated Power (Pmax) | 450W |
Efficiency | 23.07% |
Open Circuit Voltage (Voc) | 39.21V |
Max System Voltage | 1500V |
Physical Characteristics
Cell Type | Monocrystalline |
Frame Color | Black |
Connector Type | MC4 / MC4-compatible |
Temperature Performance
Operating Temperature | -40°F to 185°F |
Warranty
Product Warranty | 25 Years Product Warranty / 30 Years Linear |
Physical Dimensions
Weight | 47.39 lbs |
Dimensions (L × W × H) | 67.8" × 44.65" × 1.38" |
Related Calculators & Tools
Roof Solar Power Calculator
Estimate how much solar power your roof can produce based on location and panel specs.
Solar Panel Angle Calculator
Find the optimal tilt angle for your solar panels based on your latitude.
Series/Parallel Calculator
Calculate combined voltage, current, and power for panels wired in series or parallel.
Solar Charge Controller Calculator
Size your charge controller based on your solar panel array and battery bank.
Where to Buy
Affiliate links — we may earn a commission. Learn more
Price History
All-time low: $304.39 at A1 Solarstore (April 12, 2026)
Sirius PV Sirius PV 450W Solar Panel 108 Cell All-Black Monocrystalline ELNSM54M-HC-N-450-DC:BS-E-J Domestic Content from
Check Best Price $304.39
