Qcells — South Korea/US
Q.MAX 415W E BF
The Qcells Q.MAX 415W E BF is a 415W N-Type TOPCon solar panel with 20.4% efficiency. Backed by a 25-year warranty.
Premium TierBifacial
415W
Wattage
20.4%
Efficiency
N-Type TOPCon
Cell Type
25 years
Warranty
Full Specifications
- Brand
- Qcells
- Model
- Q.MAX 415W E BF
- Series
- Q.MAX
- Wattage
- 415W
- Module Efficiency
- 20.4%
- Cell Type
- N-Type TOPCon
- Dimensions
- 66-80" x 39-41"
- Weight
- 47 lbs
- Warranty
- 25 years
- Est. Price Per Watt
- $2.74
- Est. 7kW System Cost
- $19,180
- Est. 10kW System Cost
- $27,400
- Temperature Coefficient
- -0.25%/°C
- Bifacial
- Yes
- 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 |
|---|---|---|---|
| SunPower Maxeon 445W D Plus | 445W | 23.1% | $4.58 |
| SunPower Performance 445W D Plus | 445W | 23.1% | $4.58 |
| SunPower X-Series 445W D Plus | 445W | 23.1% | $4.58 |
| SunPower E-Series 445W D Plus | 445W | 23.1% | $4.58 |
Frequently Asked Questions
How much does a 415W Qcells Q.MAX 415W E BF cost?
The Qcells Q.MAX 415W E BF costs approximately $1137 per panel ($$2.74/W). A typical 7kW system using this panel would cost around $19,180 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.MAX 415W E BF a good solar panel?
The Qcells Q.MAX 415W E BF has 20.4% 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.MAX 415W E BF panels do I need?
For a typical 7kW residential system, you'd need approximately 17 panels. For a 10kW system, plan for about 25 panels. The exact number depends on your roof space, energy usage, and local sun hours.