Rising Sun Solar — China
RS 355-E Ultra
The Rising Sun Solar RS 355-E Ultra is a 355W PERC solar panel with 17.2% efficiency. Backed by a 10-year warranty.
Budget TierFEOC: RestrictedBifacial
355W
Wattage
17.2%
Efficiency
PERC
Cell Type
10 years
Warranty
Full Specifications
- Brand
- Rising Sun Solar
- Model
- RS 355-E Ultra
- Series
- RS
- Wattage
- 355W
- Module Efficiency
- 17.2%
- Cell Type
- PERC
- Dimensions
- 65-67" x 39-40"
- Weight
- 40 lbs
- Warranty
- 10 years
- Est. Price Per Watt
- $1.46
- Est. 7kW System Cost
- $10,220
- Est. 10kW System Cost
- $14,600
- Temperature Coefficient
- -0.35%/°C
- Bifacial
- Yes
- Origin
- China
- FEOC Status
- fail
Other Rising Sun Solar Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| RS 425W D Plus | 425W | 19.5% | PERC | $2.15 |
| RS 420W C | 420W | 19.3% | PERC | $2.09 |
| RS 415W A Ultra | 415W | 19.2% | PERC | $2.06 |
| RS 410W E Max | 410W | 19% | PERC | $2.00 |
| RS 410W B All-Black | 410W | 19% | PERC | $2.00 |
Similar Wattage Panels (Competitors)
| Panel | Wattage | Efficiency | $/W |
|---|---|---|---|
| SunPower Maxeon 385-A Black | 385W | 21% | $3.71 |
| SunPower Maxeon 385W D HC | 385W | 21% | $3.71 |
| SunPower Performance 385-A Black | 385W | 21% | $3.71 |
| SunPower Performance 385W D HC | 385W | 21% | $3.71 |
Frequently Asked Questions
How much does a 355W Rising Sun Solar RS 355-E Ultra cost?
The Rising Sun Solar RS 355-E Ultra costs approximately $518 per panel ($$1.46/W). A typical 7kW system using this panel would cost around $10,220 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 Rising Sun Solar RS 355-E Ultra a good solar panel?
The Rising Sun Solar RS 355-E Ultra has 17.2% efficiency and a 10 years warranty, placing it in the budget tier. This is a solid mid-range panel suitable for most residential installations.
How many Rising Sun Solar RS 355-E Ultra panels do I need?
For a typical 7kW residential system, you'd need approximately 20 panels. For a 10kW system, plan for about 29 panels. The exact number depends on your roof space, energy usage, and local sun hours.