Auxin Solar — US
AXN 390W B All-Black
The Auxin Solar AXN 390W B All-Black is a 390W PERC solar panel with 19.7% efficiency. Made in US. Backed by a 30-year warranty.
Standard Tier🇺🇸 Domestic Content Bonus EligibleBifacial
390W
Wattage
19.7%
Efficiency
PERC
Cell Type
30 years
Warranty
Full Specifications
- Brand
- Auxin Solar
- Model
- AXN 390W B All-Black
- Series
- AXN
- Wattage
- 390W
- Module Efficiency
- 19.7%
- Cell Type
- PERC
- Dimensions
- 65-67" x 39-40"
- Weight
- 44 lbs
- Warranty
- 30 years
- Est. Price Per Watt
- $2.80
- Est. 7kW System Cost
- $19,600
- Est. 10kW System Cost
- $28,000
- Temperature Coefficient
- -0.35%/°C
- Bifacial
- Yes
- Origin
- US
- FEOC Status
- pass
Other Auxin Solar Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| AXN 420W D | 420W | 20.6% | PERC | $3.10 |
| AXN 415W C All-Black | 415W | 20.4% | PERC | $3.03 |
| AXN 410W B BF | 410W | 20.3% | PERC | $3.00 |
| AXN 405W D Plus | 405W | 20.1% | PERC | $2.93 |
| AXN 400W C | 400W | 20% | PERC | $2.90 |
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 Auxin Solar AXN 390W B All-Black cost?
The Auxin Solar AXN 390W B All-Black costs approximately $1092 per panel ($$2.80/W). A typical 7kW system using this panel would cost around $19,600 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 Auxin Solar AXN 390W B All-Black a good solar panel?
The Auxin Solar AXN 390W B All-Black has 19.7% efficiency and a 30 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 Auxin Solar AXN 390W B All-Black 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.