BYD — China
Premium 405W B Plus
The BYD Premium 405W B Plus is a 405W PERC solar panel with 19.3% efficiency. Backed by a 12-year warranty.
Budget Tier
FEOC: Restricted
Bifacial
405W
Wattage
19.3%
Efficiency
PERC
Cell Type
12 years
Warranty
Full Specifications
- Brand
- BYD
- Model
- Premium 405W B Plus
- Series
- Premium
- Wattage
- 405W
- Module Efficiency
- 19.3%
- Cell Type
- PERC
- Dimensions
- 66-80" x 39-41"
- Weight
- 46 lbs
- Warranty
- 12 years
- Est. Price Per Watt
- $1.78
- Est. 7kW System Cost
- $12,460
- Est. 10kW System Cost
- $17,800
- Temperature Coefficient
- -0.35%/°C
- Bifacial
- Yes
- Origin
- China
- FEOC Status
- fail
Other BYD Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| Premium 460W D Plus | 460W | 21% | PERC | $2.38 |
| Standard 460W D Plus | 460W | 21% | PERC | $2.38 |
| Premium Plus 460W D Plus | 460W | 21% | PERC | $2.38 |
| Premium 455W C | 455W | 20.8% | N-Type TOPCon | $2.31 |
| Standard 455W C | 455W | 20.8% | N-Type TOPCon | $2.31 |
Similar Wattage Panels (Competitors)
| Panel | Wattage | Efficiency | $/W |
|---|---|---|---|
| SunPower Maxeon 435W A Ultra | 435W | 22.7% | $4.42 |
| SunPower Performance 435W A Ultra | 435W | 22.7% | $4.42 |
| SunPower X-Series 435W A Ultra | 435W | 22.7% | $4.42 |
| SunPower E-Series 435W A Ultra | 435W | 22.7% | $4.42 |
Frequently Asked Questions
How much does a 405W BYD Premium 405W B Plus cost?
The BYD Premium 405W B Plus costs approximately $721 per panel ($$1.78/W). A typical 7kW system using this panel would cost around $12,460 before incentives. After the 30% federal tax credit, your net cost drops to $8,722.
Is the BYD Premium 405W B Plus a good solar panel?
The BYD Premium 405W B Plus has 19.3% efficiency and a 12 years warranty, placing it in the budget tier. This is a solid mid-range panel suitable for most residential installations.
How many BYD Premium 405W B Plus panels do I need?
For a typical 7kW residential system, you'd need approximately 18 panels. For a 10kW system, plan for about 25 panels. The exact number depends on your roof space, energy usage, and local sun hours.