Auxin Solar — US

AXN 405W D Plus

The Auxin Solar AXN 405W D Plus is a 405W PERC solar panel with 20.1% efficiency. Made in US. Backed by a 30-year warranty.

Standard Tier🇺🇸 Domestic Content Bonus Eligible

405W

Wattage

20.1%

Efficiency

PERC

Cell Type

30 years

Warranty

Full Specifications

Brand
Auxin Solar
Model
AXN 405W D Plus
Series
AXN
Wattage
405W
Module Efficiency
20.1%
Cell Type
PERC
Dimensions
66-80" x 39-41"
Weight
46 lbs
Warranty
30 years
Est. Price Per Watt
$2.93
Est. 7kW System Cost
$20,510
Est. 10kW System Cost
$29,300
Temperature Coefficient
-0.35%/°C
Bifacial
No
Origin
US
FEOC Status
pass

Other Auxin Solar Panels

ModelWattageEfficiencyCell$/W
AXN 420W D420W20.6%PERC$3.10
AXN 415W C All-Black415W20.4%PERC$3.03
AXN 410W B BF410W20.3%PERC$3.00
AXN 400W C400W20%PERC$2.90
AXN 400W A Ultra400W20%PERC$2.90

Similar Wattage Panels (Competitors)

PanelWattageEfficiency$/W
SunPower Maxeon 435W A Ultra435W22.7%$4.42
Maxeon 3 435W E Max435W22.7%$4.29
SunPower Maxeon 430W E Max430W22.6%$4.38
SunPower Maxeon 430W C Black430W22.6%$4.38

Frequently Asked Questions

How much does a 405W Auxin Solar AXN 405W D Plus cost?
The Auxin Solar AXN 405W D Plus costs approximately $1187 per panel ($$2.93/W). A typical 7kW system using this panel would cost around $20,510 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 405W D Plus a good solar panel?
The Auxin Solar AXN 405W D Plus has 20.1% 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 405W D Plus panels do I need?
For a typical 7kW residential system, you'd need approximately 18 panels. For a 10kW system, plan for about 25 panels. The exact number depends on your roof space, energy usage, and local sun hours.

Written & reviewed by

EnergyTools Research Team — Solar Energy Research Group

The EnergyTools Research Team compiles and verifies residential solar data from NREL, EPA, and state utility commissions. Methodology is reviewed quarterly.

  • Source data: NREL PVWatts V8 + Utility Rates V3 APIs
  • Source data: EPA FuelEconomy.gov vehicle efficiency data
  • Methodology reviewed quarterly

Methodology & data sources:NREL PVWatts, EIA, state utility commissions· Updated 2026.