Overview
Solar panel
440W · 22.53% efficiency · Monocrystalline solar panel by REC Solar
Power
440W
Efficiency
22.53%
Voc
39.9V
Warranty
25-year product warranty / 30-year performance warranty
Price
$228
$227.70
at A1 SolarstoreImages
Where to Buy
Affiliate links — we may earn a commission. Learn more
Price History
All-time low: $227.70 at A1 Solarstore (May 23, 2026)
Pros and Cons
Pros
- High efficiency (22.53%) — more power per square foot of roof space
- High wattage (440W) — fewer panels needed for your system
- Strong warranty coverage (25-year product warranty / 30-year performance warranty)
- Monocrystalline cells — better performance in low light and heat
Cons
- No manufacturer documentation available on our site
Specifications
Electrical Specifications
Rated Power (Pmax) | 440W |
Efficiency | 22.53% |
Open Circuit Voltage (Voc) | 39.9V |
Max System Voltage | 1500V |
Physical Characteristics
Cell Type | Monocrystalline |
Frame Color | Black |
Connector Type | Stäubli MC4 genuine |
Temperature Performance
Operating Temperature | -40°F to 185°F |
Warranty
Product Warranty | 25-year product warranty / 30-year performance warranty |
Physical Dimensions
Weight | 53.57 lbs |
Dimensions (L × W × H) | 67.8" × 44.6" × 1.2" |
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: $227.70 at A1 Solarstore (May 23, 2026)
REC Solar Hyundai 440W Solar Panel 108 Cell N-Type TOPCon Bifacial All-Black HiS-T440NF(BK) from
Check Best Price $227.70
