SIL-440 QD
SIL-440 QD · Silfab Prime NTC
An all-black 440 W panel with 22.6% efficiency.
An all-black panel for your roof.
This 440 W panel combines an all-black finish with N-type cells and 22.6% module efficiency.
All-black finish
Black cells, frame and backsheet give the array a consistent appearance.
Inverter pairing
We match the inverter to this panel’s voltage and current.
Roof layout
The design accounts for panel size, shade and required access paths.
Model details.
Panel ratings use standard test conditions (STC): laboratory sunlight and temperature. Actual output varies with weather, shade and system losses.
| Specification | Value |
|---|---|
| Panel model | SIL-440 QD |
| Rated panel output · STC | 440 W DC |
| Module efficiency · STC | 22.6% |
| Cell construction | 108 half cells · N-type NTC |
| Voltage at maximum power | 33.41 V |
| Current at maximum power | 13.17 A |
| Open-circuit voltage | 38.97 V |
| Short-circuit current | 14.22 A |
| Pmax temperature coefficient | −0.29%/°C |
| Dimensions · H × W × D | 1,721 × 1,133 × 35 mm |
| Weight | 21 kg / 46.3 lb |
| Product warranty | 12 years; extendable to 25 with registration and conditions |
| Performance warranty | 30 years · at least 89.3% in year 30 |
Where it fits.
- Eligible plans specifying SIL-440 QD
- Homeowners who want an all-black array
Designed around your home.
- Panel placement and roof clearances
- Warranty registration
- Inverter voltage and current compatibility
What’s covered.
12-year product warranty, extendable to 25 years with registration and eligibility requirements. A separate 30-year performance warranty covers long-term output.
Installation and service coverage are in your Sunstorm agreement.
Common questions.
Why choose an all-black panel?
Black cells, frame and backsheet give the array a uniform appearance on your roof.
Is the 25-year product warranty automatic?
No. The data sheet makes the extension subject to registration and conditions. We confirm those requirements for your installation.