DAS Solar — China
DAS 450W B BF
The DAS Solar DAS 450W B BF is a 450W N-Type TOPCon solar panel with 21.2% efficiency. Backed by a 17-year warranty.
Standard TierFEOC: RestrictedBifacial
450W
Wattage
21.2%
Efficiency
N-Type TOPCon
Cell Type
17 years
Warranty
Full Specifications
- Brand
- DAS Solar
- Model
- DAS 450W B BF
- Series
- DAS
- Wattage
- 450W
- Module Efficiency
- 21.2%
- Cell Type
- N-Type TOPCon
- Dimensions
- 78-82" x 39-41"
- Weight
- 53 lbs
- Warranty
- 17 years
- Est. Price Per Watt
- $2.35
- Est. 7kW System Cost
- $16,450
- Est. 10kW System Cost
- $23,500
- Temperature Coefficient
- -0.25%/°C
- Bifacial
- Yes
- Origin
- China
- FEOC Status
- fail
Other DAS Solar Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| DAS 465W D | 465W | 21.6% | N-Type TOPCon | $2.45 |
| DAS 460W C All-Black | 460W | 21.5% | PERC | $2.42 |
| DAS 450W E Pro | 450W | 21.2% | PERC | $2.35 |
| DAS 445W D Plus | 445W | 21% | N-Type TOPCon | $2.30 |
| DAS 445W A HC | 445W | 21% | PERC | $2.30 |
Similar Wattage Panels (Competitors)
| Panel | Wattage | Efficiency | $/W |
|---|---|---|---|
| Maxeon Maxeon 3 455W E Pro | 455W | 23.5% | $4.72 |
| Maxeon Maxeon 6 455W E Pro | 455W | 23.5% | $4.72 |
| Maxeon Maxeon 7 455W E Pro | 455W | 23.5% | $4.72 |
| Maxeon Maxeon Air 455W E Pro | 455W | 23.5% | $4.72 |
Frequently Asked Questions
How much does a 450W DAS Solar DAS 450W B BF cost?
The DAS Solar DAS 450W B BF costs approximately $1058 per panel ($$2.35/W). A typical 7kW system using this panel would cost around $16,450 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 DAS Solar DAS 450W B BF a good solar panel?
The DAS Solar DAS 450W B BF has 21.2% efficiency and a 17 years warranty, placing it in the standard tier. This is above-average efficiency, making it a strong choice.
How many DAS Solar DAS 450W B BF 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.