Trina Solar — China
SolaX 370W
The Trina Solar SolaX 370W is a 370W N-Type TOPCon solar panel with 18.2% efficiency. Backed by a 25-year warranty.
Standard TierFEOC: RestrictedBifacial
370W
Wattage
18.2%
Efficiency
N-Type TOPCon
Cell Type
25 years
Warranty
Full Specifications
- Brand
- Trina Solar
- Model
- SolaX 370W
- Series
- SolaX
- Wattage
- 370W
- Module Efficiency
- 18.2%
- Cell Type
- N-Type TOPCon
- Dimensions
- 65-67" x 39-40"
- Weight
- 42 lbs
- Warranty
- 25 years
- Est. Price Per Watt
- $1.59
- Est. 7kW System Cost
- $11,130
- Est. 10kW System Cost
- $15,900
- 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 |
|---|---|---|---|
| SunPower Maxeon-40 HD | 400W | 21.5% | $3.92 |
| SunPower Maxeon 400W D Max | 400W | 21.5% | $3.92 |
| SunPower Maxeon 400W C Silver | 400W | 21.5% | $3.92 |
| SunPower Performance-40 HD | 400W | 21.5% | $3.92 |
Frequently Asked Questions
How much does a 370W Trina Solar SolaX 370W cost?
The Trina Solar SolaX 370W costs approximately $588 per panel ($$1.59/W). A typical 7kW system using this panel would cost around $11,130 before incentives.
⚠ The 30% Federal Solar Tax Credit (48E/ITC) expired July 4, 2026.
Selecting 30% ITC assumes you began construction before this deadline. Most new purchases no longer qualify.Learn about your options after the deadline →
Is the Trina Solar SolaX 370W a good solar panel?
The Trina Solar SolaX 370W has 18.2% 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 370W panels do I need?
For a typical 7kW residential system, you'd need approximately 19 panels. For a 10kW system, plan for about 28 panels. The exact number depends on your roof space, energy usage, and local sun hours.