ReneSola — China
Virtus 390W D Max
The ReneSola Virtus 390W D Max is a 390W PERC solar panel with 18.5% efficiency. Backed by a 12-year warranty.
Budget TierFEOC: Restricted
390W
Wattage
18.5%
Efficiency
PERC
Cell Type
12 years
Warranty
Full Specifications
- Brand
- ReneSola
- Model
- Virtus 390W D Max
- Series
- Virtus
- Wattage
- 390W
- Module Efficiency
- 18.5%
- Cell Type
- PERC
- Dimensions
- 65-67" x 39-40"
- Weight
- 44 lbs
- Warranty
- 12 years
- Est. Price Per Watt
- $1.80
- Est. 7kW System Cost
- $12,600
- Est. 10kW System Cost
- $18,000
- 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 |
|---|---|---|---|
| Panasonic EverVolt 420W A Ultra | 420W | 22.3% | $4.08 |
| Panasonic EverVolt 420W D Plus | 420W | 22.3% | $4.08 |
| Panasonic EverVolt VK 420W A Ultra | 420W | 22.3% | $4.08 |
| Panasonic EverVolt VK 420W D Plus | 420W | 22.3% | $4.08 |
Frequently Asked Questions
How much does a 390W ReneSola Virtus 390W D Max cost?
The ReneSola Virtus 390W D Max costs approximately $702 per panel ($$1.80/W). A typical 7kW system using this panel would cost around $12,600 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 ReneSola Virtus 390W D Max a good solar panel?
The ReneSola Virtus 390W D Max has 18.5% 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 390W D Max 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.