BYD — China
Premium 445W E Max
The BYD Premium 445W E Max is a 445W N-Type TOPCon solar panel with 20.5% efficiency. Backed by a 17-year warranty.
Budget TierFEOC: Restricted
445W
Wattage
20.5%
Efficiency
N-Type TOPCon
Cell Type
17 years
Warranty
Full Specifications
- Brand
- BYD
- Model
- Premium 445W E Max
- Series
- Premium
- Wattage
- 445W
- Module Efficiency
- 20.5%
- Cell Type
- N-Type TOPCon
- Dimensions
- 78-82" x 39-41"
- Weight
- 52 lbs
- Warranty
- 17 years
- Est. Price Per Watt
- $2.20
- Est. 7kW System Cost
- $15,400
- Est. 10kW System Cost
- $22,000
- Temperature Coefficient
- -0.25%/°C
- Bifacial
- No
- Origin
- China
- FEOC Status
- fail
Other BYD Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| Premium 460W D Plus | 460W | 21% | PERC | $2.38 |
| Premium 455W C | 455W | 20.8% | N-Type TOPCon | $2.31 |
| Premium 450W A Ultra | 450W | 20.7% | PERC | $2.27 |
| Premium 445W B All-Black | 445W | 20.5% | PERC | $2.20 |
| Premium 440W A BF | 440W | 20.3% | N-Type TOPCon | $2.13 |
Similar Wattage Panels (Competitors)
| Panel | Wattage | Efficiency | $/W |
|---|---|---|---|
| Maxeon 3 455W E Pro | 455W | 23.5% | $4.72 |
| SunPower Maxeon 455W E Pro | 455W | 23.4% | $4.71 |
| Maxeon 3 450W D Plus | 450W | 23.3% | $4.61 |
| SunPower Maxeon 445W D Plus | 445W | 23.1% | $4.58 |
Frequently Asked Questions
How much does a 445W BYD Premium 445W E Max cost?
The BYD Premium 445W E Max costs approximately $979 per panel ($$2.20/W). A typical 7kW system using this panel would cost around $15,400 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 BYD Premium 445W E Max a good solar panel?
The BYD Premium 445W E Max has 20.5% efficiency and a 17 years warranty, placing it in the budget tier. This is a solid mid-range panel suitable for most residential installations.
How many BYD Premium 445W E Max panels do I need?
For a typical 7kW residential system, you'd need approximately 16 panels. For a 10kW system, plan for about 23 panels. The exact number depends on your roof space, energy usage, and local sun hours.