Qcells — South Korea/US
Q.MAX 370W Plus
The Qcells Q.MAX 370W Plus is a 370W PERC solar panel with 18.8% efficiency. Backed by a 25-year warranty.
Premium Tier
370W
Wattage
18.8%
Efficiency
PERC
Cell Type
25 years
Warranty
Full Specifications
- Brand
- Qcells
- Model
- Q.MAX 370W Plus
- Series
- Q.MAX
- Wattage
- 370W
- Module Efficiency
- 18.8%
- Cell Type
- PERC
- Dimensions
- 65-67" x 39-40"
- Weight
- 42 lbs
- Warranty
- 25 years
- Est. Price Per Watt
- $2.31
- Est. 7kW System Cost
- $16,170
- Est. 10kW System Cost
- $23,100
- Temperature Coefficient
- -0.35%/°C
- Bifacial
- No
- Origin
- South Korea/US
- FEOC Status
- check
Other Qcells Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| Q.MAX 475W E Pro | 475W | 22.7% | PERC | $3.36 |
| Q.MAX 465W D Plus | 465W | 22.3% | N-Type TOPCon | $3.25 |
| Q.MAX 460W C | 460W | 22.1% | PERC | $3.20 |
| Q.TRON 465W E Pro | 465W | 21.9% | PERC | $3.34 |
| Q.MAX 455W A Ultra | 455W | 21.9% | N-Type TOPCon | $3.15 |
Similar Wattage Panels (Competitors)
| Panel | Wattage | Efficiency | $/W |
|---|---|---|---|
| SunPower Maxeon-40 HD | 400W | 21.5% | $3.92 |
| SunPower Maxeon 395W E BF | 395W | 21.4% | $3.87 |
| Maxeon 3 400-A Black | 400W | 21.4% | $3.61 |
| Maxeon 3 395W A | 395W | 21.2% | $3.51 |
Frequently Asked Questions
How much does a 370W Qcells Q.MAX 370W Plus cost?
The Qcells Q.MAX 370W Plus costs approximately $855 per panel ($$2.31/W). A typical 7kW system using this panel would cost around $16,170 before incentives.
⚠ The 30% federal solar tax credit has ended — Section 25D expired December 31, 2025, and the Section 48E construction-start deadline passed 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 370W Plus a good solar panel?
The Qcells Q.MAX 370W Plus has 18.8% 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 Qcells Q.MAX 370W Plus panels do I need?
For a typical 7kW residential system, you'd need approximately 19 panels. For a 10kW system, plan for about 28 panels. The exact number depends on your roof space, energy usage, and local sun hours.