Solar4America — US

S4A Max 435W B BF

The Solar4America S4A Max 435W B BF is a 435W PERC solar panel with 21.2% efficiency. Made in US. Backed by a 30-year warranty.

Standard Tier 🇺🇸 Domestic Content Bonus Eligible Bifacial

435W

Wattage

21.2%

Efficiency

PERC

Cell Type

30 years

Warranty

Full Specifications

Brand
Solar4America
Model
S4A Max 435W B BF
Series
S4A Max
Wattage
435W
Module Efficiency
21.2%
Cell Type
PERC
Dimensions
66-80" x 39-41"
Weight
49 lbs
Warranty
30 years
Est. Price Per Watt
$2.85
Est. 7kW System Cost
$19,950
Est. 10kW System Cost
$28,500
Temperature Coefficient
-0.35%/°C
Bifacial
Yes
Origin
US
FEOC Status
pass

Other Solar4America Panels

Model Wattage Efficiency Cell $/W
S4A 450W D 450W 21.7% PERC $2.97
S4A Pro 450W D 450W 21.7% PERC $2.97
S4A Max 450W D 450W 21.7% PERC $2.97
S4A 445W C All-Black 445W 21.5% N-Type TOPCon $2.92
S4A Pro 445W C All-Black 445W 21.5% N-Type TOPCon $2.92

Similar Wattage Panels (Competitors)

Panel Wattage Efficiency $/W
Maxeon Maxeon 3 455W E Pro 455W 23.5% $4.72
Maxeon Maxeon 6 455W E Pro 455W 23.5% $4.72
Maxeon Maxeon 7 455W E Pro 455W 23.5% $4.72
Maxeon Maxeon Air 455W E Pro 455W 23.5% $4.72

Frequently Asked Questions

How much does a 435W Solar4America S4A Max 435W B BF cost?
The Solar4America S4A Max 435W B BF costs approximately $1240 per panel ($$2.85/W). A typical 7kW system using this panel would cost around $19,950 before incentives. After the 30% federal tax credit, your net cost drops to $13,965.
Is the Solar4America S4A Max 435W B BF a good solar panel?
The Solar4America S4A Max 435W B BF has 21.2% efficiency and a 30 years warranty, placing it in the standard tier. This is above-average efficiency, making it a strong choice. It also qualifies for the domestic content bonus under the Inflation Reduction Act.
How many Solar4America S4A Max 435W B BF panels do I need?
For a typical 7kW residential system, you'd need approximately 17 panels. For a 10kW system, plan for about 23 panels. The exact number depends on your roof space, energy usage, and local sun hours.