Hanwha Q CELLS — South Korea
Q.PEAK 390W A
The Hanwha Q CELLS Q.PEAK 390W A is a 390W PERC solar panel with 19.8% efficiency. Backed by a 25-year warranty.
Premium Tier
390W
Wattage
19.8%
Efficiency
PERC
Cell Type
25 years
Warranty
Full Specifications
- Brand
- Hanwha Q CELLS
- Model
- Q.PEAK 390W A
- Series
- Q.PEAK
- Wattage
- 390W
- Module Efficiency
- 19.8%
- Cell Type
- PERC
- Dimensions
- 65-67" x 39-40"
- Weight
- 44 lbs
- Warranty
- 25 years
- Est. Price Per Watt
- $2.61
- Est. 7kW System Cost
- $18,270
- Est. 10kW System Cost
- $26,100
- Temperature Coefficient
- -0.35%/°C
- Bifacial
- No
- Origin
- South Korea
- FEOC Status
- check
Other Hanwha Q CELLS Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| Q.TRON 465W E Pro | 465W | 21.9% | PERC | $3.34 |
| Q.PEAK DUO 465W E Pro | 465W | 21.9% | PERC | $3.34 |
| Q.PEAK 465W E Pro | 465W | 21.9% | PERC | $3.34 |
| Q.PLUS 465W E Pro | 465W | 21.9% | PERC | $3.34 |
| Q.TRON 455W D Plus | 455W | 21.6% | N-Type TOPCon | $3.24 |
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 Hanwha Q CELLS Q.PEAK 390W A cost?
The Hanwha Q CELLS Q.PEAK 390W A costs approximately $1018 per panel ($$2.61/W). A typical 7kW system using this panel would cost around $18,270 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 Hanwha Q CELLS Q.PEAK 390W A a good solar panel?
The Hanwha Q CELLS Q.PEAK 390W A has 19.8% 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 Hanwha Q CELLS Q.PEAK 390W A 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.