Aptos Solar — US
DNA 390-B Silver
The Aptos Solar DNA 390-B Silver is a 390W N-Type TOPCon solar panel with 19.7% efficiency. Made in US. Backed by a 25-year warranty.
Standard Tier🇺🇸 Domestic Content Bonus Eligible
390W
Wattage
19.7%
Efficiency
N-Type TOPCon
Cell Type
25 years
Warranty
Full Specifications
- Brand
- Aptos Solar
- Model
- DNA 390-B Silver
- Series
- DNA
- Wattage
- 390W
- Module Efficiency
- 19.7%
- Cell Type
- N-Type TOPCon
- Dimensions
- 65-67" x 39-40"
- Weight
- 44 lbs
- Warranty
- 25 years
- Est. Price Per Watt
- $2.47
- Est. 7kW System Cost
- $17,290
- Est. 10kW System Cost
- $24,700
- Temperature Coefficient
- -0.25%/°C
- Bifacial
- No
- Origin
- US
- FEOC Status
- pass
Other Aptos Solar Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| DNA 450W D | 450W | 21.7% | N-Type TOPCon | $2.97 |
| DNA 445W C All-Black | 445W | 21.5% | PERC | $2.92 |
| DNA 440W E Pro | 440W | 21.3% | PERC | $2.88 |
| DNA 435W B BF | 435W | 21.2% | N-Type TOPCon | $2.85 |
| DNA 430W A HC | 430W | 21% | PERC | $2.80 |
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 Aptos Solar DNA 390-B Silver cost?
The Aptos Solar DNA 390-B Silver costs approximately $963 per panel ($$2.47/W). A typical 7kW system using this panel would cost around $17,290 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 Aptos Solar DNA 390-B Silver a good solar panel?
The Aptos Solar DNA 390-B Silver has 19.7% efficiency and a 25 years warranty, placing it in the standard tier. This is a solid mid-range panel suitable for most residential installations. It also qualifies for the domestic content bonus under the Inflation Reduction Act.
How many Aptos Solar DNA 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.