Seraphim Solar — China
Sephia-40 HC
The Seraphim Solar Sephia-40 HC is a 400W PERC solar panel with 19.4% efficiency. Backed by a 12-year warranty.
Standard TierFEOC: RestrictedBifacial
400W
Wattage
19.4%
Efficiency
PERC
Cell Type
12 years
Warranty
Full Specifications
- Brand
- Seraphim Solar
- Model
- Sephia-40 HC
- Series
- Sephia
- Wattage
- 400W
- Module Efficiency
- 19.4%
- Cell Type
- PERC
- Dimensions
- 66-80" x 39-41"
- Weight
- 46 lbs
- Warranty
- 12 years
- Est. Price Per Watt
- $2.07
- Est. 7kW System Cost
- $14,490
- Est. 10kW System Cost
- $20,700
- 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 |
| Sephia 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 |
Similar Wattage Panels (Competitors)
| Panel | Wattage | Efficiency | $/W |
|---|---|---|---|
| SunPower Maxeon 430W E Max | 430W | 22.6% | $4.38 |
| SunPower Maxeon 430W B All-Black | 430W | 22.6% | $4.38 |
| SunPower Maxeon 430W C Black | 430W | 22.6% | $4.38 |
| SunPower Performance 430W E Max | 430W | 22.6% | $4.38 |
Frequently Asked Questions
How much does a 400W Seraphim Solar Sephia-40 HC cost?
The Seraphim Solar Sephia-40 HC costs approximately $828 per panel ($$2.07/W). A typical 7kW system using this panel would cost around $14,490 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-40 HC a good solar panel?
The Seraphim Solar Sephia-40 HC has 19.4% efficiency and a 12 years warranty, placing it in the standard tier. This is a solid mid-range panel suitable for most residential installations.
How many Seraphim Solar Sephia-40 HC panels do I need?
For a typical 7kW residential system, you'd need approximately 18 panels. For a 10kW system, plan for about 25 panels. The exact number depends on your roof space, energy usage, and local sun hours.