Aptos Solar — US

DNA 400W D HD

The Aptos Solar DNA 400W D HD is a 400W PERC solar panel with 20.0% efficiency. Made in US. Backed by a 25-year warranty.

Standard Tier🇺🇸 Domestic Content Bonus Eligible

400W

Wattage

20%

Efficiency

PERC

Cell Type

25 years

Warranty

Full Specifications

Brand
Aptos Solar
Model
DNA 400W D HD
Series
DNA
Wattage
400W
Module Efficiency
20%
Cell Type
PERC
Dimensions
66-80" x 39-41"
Weight
46 lbs
Warranty
25 years
Est. Price Per Watt
$2.55
Est. 7kW System Cost
$17,850
Est. 10kW System Cost
$25,500
Temperature Coefficient
-0.35%/°C
Bifacial
No
Origin
US
FEOC Status
pass

Other Aptos Solar Panels

ModelWattageEfficiencyCell$/W
DNA 450W D450W21.7%N-Type TOPCon$2.97
DNA 445W C All-Black445W21.5%PERC$2.92
DNA 440W E Pro440W21.3%PERC$2.88
DNA 435W B BF435W21.2%N-Type TOPCon$2.85
DNA 430W A HC430W21%PERC$2.80

Similar Wattage Panels (Competitors)

PanelWattageEfficiency$/W
SunPower Maxeon 430W E Max430W22.6%$4.38
SunPower Maxeon 430W C Black430W22.6%$4.38
Panasonic HIT 425W E Pro425W22.5%$4.18
Maxeon 3 430W E HC430W22.5%$4.19

Frequently Asked Questions

How much does a 400W Aptos Solar DNA 400W D HD cost?
The Aptos Solar DNA 400W D HD costs approximately $1020 per panel ($$2.55/W). A typical 7kW system using this panel would cost around $17,850 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 400W D HD a good solar panel?
The Aptos Solar DNA 400W D HD has 20% 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 400W D HD 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.