Auxin Solar — US
AXN Plus 350W B Black
The Auxin Solar AXN Plus 350W B Black is a 350W PERC solar panel with 18.5% efficiency. Made in US. Backed by a 25-year warranty.
Standard Tier🇺🇸 Domestic Content Bonus Eligible
350W
Wattage
18.5%
Efficiency
PERC
Cell Type
25 years
Warranty
Full Specifications
- Brand
- Auxin Solar
- Model
- AXN Plus 350W B Black
- Series
- AXN Plus
- Wattage
- 350W
- Module Efficiency
- 18.5%
- Cell Type
- PERC
- Dimensions
- 65-67" x 39-40"
- Weight
- 40 lbs
- Warranty
- 25 years
- Est. Price Per Watt
- $2.40
- Est. 7kW System Cost
- $16,800
- Est. 10kW System Cost
- $24,000
- Temperature Coefficient
- -0.35%/°C
- Bifacial
- No
- Origin
- US
- FEOC Status
- pass
Other Auxin Solar Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| AXN 420W D | 420W | 20.6% | PERC | $3.10 |
| AXN Plus 420W D | 420W | 20.6% | PERC | $3.10 |
| AXN 415W C All-Black | 415W | 20.4% | PERC | $3.03 |
| AXN Plus 415W C All-Black | 415W | 20.4% | PERC | $3.03 |
| AXN 410W E Pro | 410W | 20.3% | PERC | $3.00 |
Similar Wattage Panels (Competitors)
| Panel | Wattage | Efficiency | $/W |
|---|---|---|---|
| SunPower Maxeon 380W A | 380W | 20.8% | $3.63 |
| SunPower Performance 380W A | 380W | 20.8% | $3.63 |
| SunPower X-Series 380W A | 380W | 20.8% | $3.63 |
| SunPower E-Series 380W A | 380W | 20.8% | $3.63 |
Frequently Asked Questions
How much does a 350W Auxin Solar AXN Plus 350W B Black cost?
The Auxin Solar AXN Plus 350W B Black costs approximately $840 per panel ($$2.40/W). A typical 7kW system using this panel would cost around $16,800 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 Auxin Solar AXN Plus 350W B Black a good solar panel?
The Auxin Solar AXN Plus 350W B Black has 18.5% 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 Auxin Solar AXN Plus 350W B Black panels do I need?
For a typical 7kW residential system, you'd need approximately 20 panels. For a 10kW system, plan for about 29 panels. The exact number depends on your roof space, energy usage, and local sun hours.