Trina Solar — China

Tallmax 425W A Max

The Trina Solar Tallmax 425W A Max is a 425W N-Type TOPCon solar panel with 20.3% efficiency. Backed by a 30-year warranty.

Standard Tier FEOC: Restricted Bifacial

425W

Wattage

20.3%

Efficiency

N-Type TOPCon

Cell Type

30 years

Warranty

Full Specifications

Brand
Trina Solar
Model
Tallmax 425W A Max
Series
Tallmax
Wattage
425W
Module Efficiency
20.3%
Cell Type
N-Type TOPCon
Dimensions
66-80" x 39-41"
Weight
48 lbs
Warranty
30 years
Est. Price Per Watt
$2.15
Est. 7kW System Cost
$15,050
Est. 10kW System Cost
$21,500
Temperature Coefficient
-0.25%/°C
Bifacial
Yes
Origin
China
FEOC Status
fail

Other Trina Solar Panels

Model Wattage Efficiency Cell $/W
Vertex 490W D 490W 22.8% N-Type TOPCon $2.81
Honey 490W D 490W 22.8% N-Type TOPCon $2.81
Tallmax 490W D 490W 22.8% N-Type TOPCon $2.81
SolaX 490W D 490W 22.8% N-Type TOPCon $2.81
Vertex S+ 490W D 490W 22.8% N-Type TOPCon $2.81

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 425W Trina Solar Tallmax 425W A Max cost?
The Trina Solar Tallmax 425W A Max costs approximately $914 per panel ($$2.15/W). A typical 7kW system using this panel would cost around $15,050 before incentives. After the 30% federal tax credit, your net cost drops to $10,535.
Is the Trina Solar Tallmax 425W A Max a good solar panel?
The Trina Solar Tallmax 425W A Max has 20.3% efficiency and a 30 years warranty, placing it in the standard tier. This is a solid mid-range panel suitable for most residential installations.
How many Trina Solar Tallmax 425W A Max panels do I need?
For a typical 7kW residential system, you'd need approximately 17 panels. For a 10kW system, plan for about 24 panels. The exact number depends on your roof space, energy usage, and local sun hours.