ReneSola — China
Virtus 400W B
The ReneSola Virtus 400W B is a 400W PERC solar panel with 18.8% efficiency. Backed by a 12-year warranty.
Budget Tier
FEOC: Restricted
400W
Wattage
18.8%
Efficiency
PERC
Cell Type
12 years
Warranty
Full Specifications
- Brand
- ReneSola
- Model
- Virtus 400W B
- Series
- Virtus
- Wattage
- 400W
- Module Efficiency
- 18.8%
- Cell Type
- PERC
- Dimensions
- 66-80" x 39-41"
- Weight
- 46 lbs
- Warranty
- 12 years
- Est. Price Per Watt
- $1.89
- Est. 7kW System Cost
- $13,230
- Est. 10kW System Cost
- $18,900
- Temperature Coefficient
- -0.35%/°C
- Bifacial
- No
- Origin
- China
- FEOC Status
- fail
Other ReneSola Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| Virtus 435W D Plus | 435W | 20% | PERC | $2.25 |
| Virtus 430W C | 430W | 19.8% | PERC | $2.19 |
| Virtus 425W A Ultra | 425W | 19.7% | PERC | $2.16 |
| Virtus 420W E Max | 420W | 19.5% | PERC | $2.10 |
| Virtus 420W B All-Black | 420W | 19.5% | PERC | $2.10 |
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 ReneSola Virtus 400W B cost?
The ReneSola Virtus 400W B costs approximately $756 per panel ($$1.89/W). A typical 7kW system using this panel would cost around $13,230 before incentives. After the 30% federal tax credit, your net cost drops to $9,261.
Is the ReneSola Virtus 400W B a good solar panel?
The ReneSola Virtus 400W B has 18.8% efficiency and a 12 years warranty, placing it in the budget tier. This is a solid mid-range panel suitable for most residential installations.
How many ReneSola Virtus 400W B 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.