Amerisolar — China/US
AS 390-B Silver
The Amerisolar AS 390-B Silver is a 390W PERC solar panel with 19.2% efficiency. Backed by a 12-year warranty.
Standard TierFEOC: Restricted
390W
Wattage
19.2%
Efficiency
PERC
Cell Type
12 years
Warranty
Full Specifications
- Brand
- Amerisolar
- Model
- AS 390-B Silver
- Series
- AS
- Wattage
- 390W
- Module Efficiency
- 19.2%
- Cell Type
- PERC
- Dimensions
- 65-67" x 39-40"
- Weight
- 44 lbs
- Warranty
- 12 years
- Est. Price Per Watt
- $2.01
- Est. 7kW System Cost
- $14,070
- Est. 10kW System Cost
- $20,100
- Temperature Coefficient
- -0.35%/°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 |
|---|---|---|---|
| Panasonic HIT 420W D Plus | 420W | 22.3% | $4.08 |
| Panasonic HIT 420W A Ultra | 420W | 22.3% | $4.08 |
| SunPower Maxeon 420W B Silver | 420W | 22.2% | $4.21 |
| Maxeon 3-42 HC | 420W | 22.1% | $3.98 |
Frequently Asked Questions
How much does a 390W Amerisolar AS 390-B Silver cost?
The Amerisolar AS 390-B Silver costs approximately $784 per panel ($$2.01/W). A typical 7kW system using this panel would cost around $14,070 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 390-B Silver a good solar panel?
The Amerisolar AS 390-B Silver has 19.2% 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 390-B Silver panels do I need?
For a typical 7kW residential system, you'd need approximately 18 panels. For a 10kW system, plan for about 26 panels. The exact number depends on your roof space, energy usage, and local sun hours.