Amerisolar — China/US
AS 405W C Plus
The Amerisolar AS 405W C Plus is a 405W N-Type TOPCon solar panel with 19.7% efficiency. Backed by a 12-year warranty.
Standard TierFEOC: Restricted
405W
Wattage
19.7%
Efficiency
N-Type TOPCon
Cell Type
12 years
Warranty
Full Specifications
- Brand
- Amerisolar
- Model
- AS 405W C Plus
- Series
- AS
- Wattage
- 405W
- Module Efficiency
- 19.7%
- Cell Type
- N-Type TOPCon
- Dimensions
- 66-80" x 39-41"
- Weight
- 46 lbs
- Warranty
- 12 years
- Est. Price Per Watt
- $2.16
- Est. 7kW System Cost
- $15,120
- Est. 10kW System Cost
- $21,600
- Temperature Coefficient
- -0.25%/°C
- Bifacial
- No
- Origin
- China/US
- FEOC Status
- fail
Other Amerisolar Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| AS 450W D | 450W | 21.2% | PERC | $2.61 |
| AS 445W C All-Black | 445W | 21% | N-Type TOPCon | $2.55 |
| AS 440W E Pro | 440W | 20.8% | N-Type TOPCon | $2.49 |
| AS 435W B BF | 435W | 20.7% | PERC | $2.46 |
| AS 430W A HC | 430W | 20.5% | N-Type TOPCon | $2.40 |
Similar Wattage Panels (Competitors)
| Panel | Wattage | Efficiency | $/W |
|---|---|---|---|
| SunPower Maxeon 435W A Ultra | 435W | 22.7% | $4.42 |
| Maxeon 3 435W E Max | 435W | 22.7% | $4.29 |
| SunPower Maxeon 430W E Max | 430W | 22.6% | $4.38 |
| SunPower Maxeon 430W C Black | 430W | 22.6% | $4.38 |
Frequently Asked Questions
How much does a 405W Amerisolar AS 405W C Plus cost?
The Amerisolar AS 405W C Plus costs approximately $875 per panel ($$2.16/W). A typical 7kW system using this panel would cost around $15,120 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 Amerisolar AS 405W C Plus a good solar panel?
The Amerisolar AS 405W C Plus has 19.7% efficiency and a 12 years warranty, placing it in the standard tier. This is a solid mid-range panel suitable for most residential installations.
How many Amerisolar AS 405W C 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.