Segment Solar — US

SG Max 400W E HC

The Segment Solar SG Max 400W E HC is a 400W PERC solar panel with 19.8% efficiency. Made in US. Backed by a 25-year warranty.

Standard Tier 🇺🇸 Domestic Content Bonus Eligible

400W

Wattage

19.8%

Efficiency

PERC

Cell Type

25 years

Warranty

Full Specifications

Brand
Segment Solar
Model
SG Max 400W E HC
Series
SG Max
Wattage
400W
Module Efficiency
19.8%
Cell Type
PERC
Dimensions
66-80" x 39-41"
Weight
46 lbs
Warranty
25 years
Est. Price Per Watt
$2.53
Est. 7kW System Cost
$17,710
Est. 10kW System Cost
$25,300
Temperature Coefficient
-0.35%/°C
Bifacial
No
Origin
US
FEOC Status
pass

Other Segment Solar Panels

Model Wattage Efficiency Cell $/W
SG 440W D 440W 21.2% PERC $2.88
SG Plus 440W D 440W 21.2% PERC $2.88
SG Max 440W D 440W 21.2% PERC $2.88
SG 435W C All-Black 435W 21% N-Type TOPCon $2.83
SG Plus 435W C All-Black 435W 21% N-Type TOPCon $2.83

Similar Wattage Panels (Competitors)

Panel Wattage Efficiency $/W
SunPower Maxeon 430W E Max 430W 22.6% $4.38
SunPower Maxeon 430W B All-Black 430W 22.6% $4.38
SunPower Maxeon 430W C Black 430W 22.6% $4.38
SunPower Performance 430W E Max 430W 22.6% $4.38

Frequently Asked Questions

How much does a 400W Segment Solar SG Max 400W E HC cost?
The Segment Solar SG Max 400W E HC costs approximately $1012 per panel ($$2.53/W). A typical 7kW system using this panel would cost around $17,710 before incentives. After the 30% federal tax credit, your net cost drops to $12,397.
Is the Segment Solar SG Max 400W E HC a good solar panel?
The Segment Solar SG Max 400W E HC has 19.8% 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 Segment Solar SG Max 400W E HC 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.