Seraphim Solar — China
Sephia 455W D
The Seraphim Solar Sephia 455W D is a 455W PERC solar panel with 21.1% efficiency. Backed by a 17-year warranty.
Standard TierFEOC: RestrictedBifacial
455W
Wattage
21.1%
Efficiency
PERC
Cell Type
17 years
Warranty
Full Specifications
- Brand
- Seraphim Solar
- Model
- Sephia 455W D
- Series
- Sephia
- Wattage
- 455W
- Module Efficiency
- 21.1%
- Cell Type
- PERC
- Dimensions
- 78-82" x 39-41"
- Weight
- 53 lbs
- Warranty
- 17 years
- Est. Price Per Watt
- $2.58
- Est. 7kW System Cost
- $18,060
- Est. 10kW System Cost
- $25,800
- Temperature Coefficient
- -0.35%/°C
- Bifacial
- Yes
- Origin
- China
- FEOC Status
- fail
Other Seraphim Solar Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| SRP 455W D | 455W | 21.1% | PERC | $2.58 |
| SRP 450W C All-Black | 450W | 21% | N-Type TOPCon | $2.55 |
| Sephia 450W C All-Black | 450W | 21% | N-Type TOPCon | $2.55 |
| SRP 440W E Pro | 440W | 20.7% | N-Type TOPCon | $2.46 |
| SRP 440W B BF | 440W | 20.7% | PERC | $2.46 |
Similar Wattage Panels (Competitors)
| Panel | Wattage | Efficiency | $/W |
|---|---|---|---|
| Maxeon Maxeon 3 455W E Pro | 455W | 23.5% | $4.72 |
| Maxeon Maxeon 6 455W E Pro | 455W | 23.5% | $4.72 |
| Maxeon Maxeon 7 455W E Pro | 455W | 23.5% | $4.72 |
| Maxeon Maxeon Air 455W E Pro | 455W | 23.5% | $4.72 |
Frequently Asked Questions
How much does a 455W Seraphim Solar Sephia 455W D cost?
The Seraphim Solar Sephia 455W D costs approximately $1174 per panel ($$2.58/W). A typical 7kW system using this panel would cost around $18,060 before incentives.
⚠ The 30% Federal Solar Tax Credit (48E/ITC) expired July 4, 2026.
Selecting 30% ITC assumes you began construction before this deadline. Most new purchases no longer qualify.Learn about your options after the deadline →
Is the Seraphim Solar Sephia 455W D a good solar panel?
The Seraphim Solar Sephia 455W D has 21.1% efficiency and a 17 years warranty, placing it in the standard tier. This is above-average efficiency, making it a strong choice.
How many Seraphim Solar Sephia 455W D panels do I need?
For a typical 7kW residential system, you'd need approximately 16 panels. For a 10kW system, plan for about 22 panels. The exact number depends on your roof space, energy usage, and local sun hours.