Qcells — South Korea/US
Q.PEAK-39 All-Black
The Qcells Q.PEAK-39 All-Black is a 390W N-Type TOPCon solar panel with 19.5% efficiency. Backed by a 25-year warranty.
Premium Tier
390W
Wattage
19.5%
Efficiency
N-Type TOPCon
Cell Type
25 years
Warranty
Full Specifications
- Brand
- Qcells
- Model
- Q.PEAK-39 All-Black
- Series
- Q.PEAK
- Wattage
- 390W
- Module Efficiency
- 19.5%
- Cell Type
- N-Type TOPCon
- Dimensions
- 65-67" x 39-40"
- Weight
- 44 lbs
- Warranty
- 25 years
- Est. Price Per Watt
- $2.50
- Est. 7kW System Cost
- $17,500
- Est. 10kW System Cost
- $25,000
- Temperature Coefficient
- -0.25%/°C
- Bifacial
- No
- Origin
- South Korea/US
- FEOC Status
- check
Other Qcells Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| Q.TRON 475W E Pro | 475W | 22.7% | PERC | $3.36 |
| Q.PEAK 475W E Pro | 475W | 22.7% | PERC | $3.36 |
| Q.PLUS 475W E Pro | 475W | 22.7% | PERC | $3.36 |
| Q.PEAK DUO 475W E Pro | 475W | 22.7% | PERC | $3.36 |
| Q.MAX 475W E Pro | 475W | 22.7% | PERC | $3.36 |
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 Qcells Q.PEAK-39 All-Black cost?
The Qcells Q.PEAK-39 All-Black costs approximately $975 per panel ($$2.50/W). A typical 7kW system using this panel would cost around $17,500 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 Qcells Q.PEAK-39 All-Black a good solar panel?
The Qcells Q.PEAK-39 All-Black has 19.5% efficiency and a 25 years warranty, placing it in the premium tier. This is a solid mid-range panel suitable for most residential installations.
How many Qcells Q.PEAK-39 All-Black 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.