Solar4America — US

S4A Max 415W B Silver

The Solar4America S4A Max 415W B Silver is a 415W N-Type TOPCon solar panel with 20.5% efficiency. Made in US. Backed by a 25-year warranty.

Standard Tier 🇺🇸 Domestic Content Bonus Eligible

415W

Wattage

20.5%

Efficiency

N-Type TOPCon

Cell Type

25 years

Warranty

Full Specifications

Brand
Solar4America
Model
S4A Max 415W B Silver
Series
S4A Max
Wattage
415W
Module Efficiency
20.5%
Cell Type
N-Type TOPCon
Dimensions
66-80" x 39-41"
Weight
47 lbs
Warranty
25 years
Est. Price Per Watt
$2.67
Est. 7kW System Cost
$18,690
Est. 10kW System Cost
$26,700
Temperature Coefficient
-0.25%/°C
Bifacial
No
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
SunPower Maxeon 445W D Plus 445W 23.1% $4.58
SunPower Performance 445W D Plus 445W 23.1% $4.58
SunPower X-Series 445W D Plus 445W 23.1% $4.58
SunPower E-Series 445W D Plus 445W 23.1% $4.58

Frequently Asked Questions

How much does a 415W Solar4America S4A Max 415W B Silver cost?
The Solar4America S4A Max 415W B Silver costs approximately $1108 per panel ($$2.67/W). A typical 7kW system using this panel would cost around $18,690 before incentives. After the 30% federal tax credit, your net cost drops to $13,083.
Is the Solar4America S4A Max 415W B Silver a good solar panel?
The Solar4America S4A Max 415W B Silver has 20.5% 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 Solar4America S4A Max 415W B Silver panels do I need?
For a typical 7kW residential system, you'd need approximately 17 panels. For a 10kW system, plan for about 25 panels. The exact number depends on your roof space, energy usage, and local sun hours.