Auxin Solar — US
AXN 370W B Ultra
The Auxin Solar AXN 370W B Ultra is a 370W PERC solar panel with 19.1% efficiency. Made in US. Backed by a 30-year warranty.
Standard Tier🇺🇸 Domestic Content Bonus Eligible
370W
Wattage
19.1%
Efficiency
PERC
Cell Type
30 years
Warranty
Full Specifications
- Brand
- Auxin Solar
- Model
- AXN 370W B Ultra
- Series
- AXN
- Wattage
- 370W
- Module Efficiency
- 19.1%
- Cell Type
- PERC
- Dimensions
- 65-67" x 39-40"
- Weight
- 42 lbs
- Warranty
- 30 years
- Est. Price Per Watt
- $2.60
- Est. 7kW System Cost
- $18,200
- Est. 10kW System Cost
- $26,000
- 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 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 |
|---|---|---|---|
| SunPower Maxeon-40 HD | 400W | 21.5% | $3.92 |
| SunPower Maxeon 395W E BF | 395W | 21.4% | $3.87 |
| Maxeon 3 400-A Black | 400W | 21.4% | $3.61 |
| Maxeon 3 395W A | 395W | 21.2% | $3.51 |
Frequently Asked Questions
How much does a 370W Auxin Solar AXN 370W B Ultra cost?
The Auxin Solar AXN 370W B Ultra costs approximately $962 per panel ($$2.60/W). A typical 7kW system using this panel would cost around $18,200 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 370W B Ultra a good solar panel?
The Auxin Solar AXN 370W B Ultra has 19.1% 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 370W B Ultra panels do I need?
For a typical 7kW residential system, you'd need approximately 19 panels. For a 10kW system, plan for about 28 panels. The exact number depends on your roof space, energy usage, and local sun hours.