Trina Solar — China
SolaX 425W E Ultra
The Trina Solar SolaX 425W E Ultra is a 425W PERC solar panel with 20.3% efficiency. Backed by a 25-year warranty.
Standard Tier
FEOC: Restricted
425W
Wattage
20.3%
Efficiency
PERC
Cell Type
25 years
Warranty
Full Specifications
- Brand
- Trina Solar
- Model
- SolaX 425W E Ultra
- Series
- SolaX
- Wattage
- 425W
- Module Efficiency
- 20.3%
- Cell Type
- PERC
- Dimensions
- 66-80" x 39-41"
- Weight
- 48 lbs
- Warranty
- 25 years
- Est. Price Per Watt
- $2.15
- Est. 7kW System Cost
- $15,050
- Est. 10kW System Cost
- $21,500
- Temperature Coefficient
- -0.35%/°C
- Bifacial
- No
- 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 SolaX 425W E Ultra cost?
The Trina Solar SolaX 425W E Ultra 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 SolaX 425W E Ultra a good solar panel?
The Trina Solar SolaX 425W E Ultra has 20.3% efficiency and a 25 years warranty, placing it in the standard tier. This is a solid mid-range panel suitable for most residential installations.
How many Trina Solar SolaX 425W E Ultra 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.