REC — Singapore
Alpha Pure 400-A Black
The REC Alpha Pure 400-A Black is a 400W N-Type TOPCon solar panel with 20.5% efficiency. Backed by a 25-year warranty.
Premium Tier
400W
Wattage
20.5%
Efficiency
N-Type TOPCon
Cell Type
25 years
Warranty
Full Specifications
- Brand
- REC
- Model
- Alpha Pure 400-A Black
- Series
- Alpha Pure
- Wattage
- 400W
- Module Efficiency
- 20.5%
- Cell Type
- N-Type TOPCon
- Dimensions
- 66-80" x 39-41"
- Weight
- 46 lbs
- Warranty
- 25 years
- Est. Price Per Watt
- $2.97
- Est. 7kW System Cost
- $20,790
- Est. 10kW System Cost
- $29,700
- Temperature Coefficient
- -0.25%/°C
- Bifacial
- No
- Origin
- Singapore
- FEOC Status
- likely_pass
Other REC Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| Alpha 455W E Pro | 455W | 23% | N-Type TOPCon | $3.84 |
| N-Peak 455W E Pro | 455W | 23% | N-Type TOPCon | $3.84 |
| Alpha Pure 455W E Pro | 455W | 23% | N-Type TOPCon | $3.84 |
| Alpha Pro 455W E Pro | 455W | 23% | N-Type TOPCon | $3.84 |
| Alpha 450W D Plus | 450W | 22.8% | HJT | $3.77 |
Similar Wattage Panels (Competitors)
| Panel | Wattage | Efficiency | $/W |
|---|---|---|---|
| SunPower Maxeon 430W E Max | 430W | 22.6% | $4.38 |
| SunPower Maxeon 430W B All-Black | 430W | 22.6% | $4.38 |
| SunPower Maxeon 430W C Black | 430W | 22.6% | $4.38 |
| SunPower Performance 430W E Max | 430W | 22.6% | $4.38 |
Frequently Asked Questions
How much does a 400W REC Alpha Pure 400-A Black cost?
The REC Alpha Pure 400-A Black costs approximately $1188 per panel ($$2.97/W). A typical 7kW system using this panel would cost around $20,790 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 REC Alpha Pure 400-A Black a good solar panel?
The REC Alpha Pure 400-A Black has 20.5% 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 REC Alpha Pure 400-A Black 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.