S-Energy — South Korea
SN Plus 385W B Plus
The S-Energy SN Plus 385W B Plus is a 385W PERC solar panel with 19.0% efficiency. Backed by a 25-year warranty.
Standard TierBifacial
385W
Wattage
19%
Efficiency
PERC
Cell Type
25 years
Warranty
Full Specifications
- Brand
- S-Energy
- Model
- SN Plus 385W B Plus
- Series
- SN Plus
- Wattage
- 385W
- Module Efficiency
- 19%
- Cell Type
- PERC
- Dimensions
- 65-67" x 39-40"
- Weight
- 43 lbs
- Warranty
- 25 years
- Est. Price Per Watt
- $2.35
- Est. 7kW System Cost
- $16,450
- Est. 10kW System Cost
- $23,500
- Temperature Coefficient
- -0.35%/°C
- Bifacial
- Yes
- 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 |
|---|---|---|---|
| SunPower Maxeon 415W A Black | 415W | 22% | $4.12 |
| SunPower Maxeon 415W C Plus | 415W | 22% | $4.12 |
| SunPower Maxeon 415W B Ultra | 415W | 22% | $4.12 |
| SunPower Performance 415W A Black | 415W | 22% | $4.12 |
Frequently Asked Questions
How much does a 385W S-Energy SN Plus 385W B Plus cost?
The S-Energy SN Plus 385W B Plus costs approximately $905 per panel ($$2.35/W). A typical 7kW system using this panel would cost around $16,450 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 385W B Plus a good solar panel?
The S-Energy SN Plus 385W B Plus has 19% efficiency and a 25 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 385W B Plus panels do I need?
For a typical 7kW residential system, you'd need approximately 19 panels. For a 10kW system, plan for about 26 panels. The exact number depends on your roof space, energy usage, and local sun hours.