S-Energy — South Korea
SN Plus 395W B Ultra
The S-Energy SN Plus 395W B Ultra is a 395W N-Type TOPCon solar panel with 19.4% efficiency. Backed by a 30-year warranty.
Standard Tier
395W
Wattage
19.4%
Efficiency
N-Type TOPCon
Cell Type
30 years
Warranty
Full Specifications
- Brand
- S-Energy
- Model
- SN Plus 395W B Ultra
- Series
- SN Plus
- Wattage
- 395W
- Module Efficiency
- 19.4%
- Cell Type
- N-Type TOPCon
- Dimensions
- 65-67" x 39-40"
- Weight
- 44 lbs
- Warranty
- 30 years
- Est. Price Per Watt
- $2.47
- Est. 7kW System Cost
- $17,290
- Est. 10kW System Cost
- $24,700
- Temperature Coefficient
- -0.25%/°C
- Bifacial
- No
- Origin
- South Korea
- FEOC Status
- check
Other S-Energy Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| SN 445W D | 445W | 21.2% | PERC | $3.01 |
| SNE 445W D | 445W | 21.2% | PERC | $3.01 |
| SN Plus 445W D | 445W | 21.2% | PERC | $3.01 |
| SN 440W C All-Black | 440W | 21% | N-Type TOPCon | $2.95 |
| SNE 440W C All-Black | 440W | 21% | N-Type TOPCon | $2.95 |
Similar Wattage Panels (Competitors)
| Panel | Wattage | Efficiency | $/W |
|---|---|---|---|
| Panasonic EverVolt 425W E Pro | 425W | 22.5% | $4.18 |
| Panasonic EverVolt VK 425W E Pro | 425W | 22.5% | $4.18 |
| Panasonic HIT 425W E Pro | 425W | 22.5% | $4.18 |
| Panasonic HIT Plus 425W E Pro | 425W | 22.5% | $4.18 |
Frequently Asked Questions
How much does a 395W S-Energy SN Plus 395W B Ultra cost?
The S-Energy SN Plus 395W B Ultra costs approximately $976 per panel ($$2.47/W). A typical 7kW system using this panel would cost around $17,290 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 S-Energy SN Plus 395W B Ultra a good solar panel?
The S-Energy SN Plus 395W B Ultra has 19.4% efficiency and a 30 years warranty, placing it in the standard tier. This is a solid mid-range panel suitable for most residential installations.
How many S-Energy SN Plus 395W B Ultra panels do I need?
For a typical 7kW residential system, you'd need approximately 18 panels. For a 10kW system, plan for about 26 panels. The exact number depends on your roof space, energy usage, and local sun hours.