SoliTek — Lithuania
SOLIHI 400W E Ultra
The SoliTek SOLIHI 400W E Ultra is a 400W PERC solar panel with 20.0% efficiency. Backed by a 25-year warranty.
Standard Tier
400W
Wattage
20%
Efficiency
PERC
Cell Type
25 years
Warranty
Full Specifications
- Brand
- SoliTek
- Model
- SOLIHI 400W E Ultra
- Series
- SOLIHI
- Wattage
- 400W
- Module Efficiency
- 20%
- Cell Type
- PERC
- Dimensions
- 66-80" x 39-41"
- Weight
- 46 lbs
- Warranty
- 25 years
- Est. Price Per Watt
- $2.50
- Est. 7kW System Cost
- $17,500
- Est. 10kW System Cost
- $25,000
- Temperature Coefficient
- -0.35%/°C
- Bifacial
- No
- Origin
- Lithuania
- FEOC Status
- likely_pass
Other SoliTek Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| SOLIHI 450W D | 450W | 21.7% | N-Type TOPCon | $3.01 |
| SOLIIT 450W D | 450W | 21.7% | N-Type TOPCon | $3.01 |
| SOLIHI 445W C All-Black | 445W | 21.5% | PERC | $2.95 |
| SOLIIT 445W C All-Black | 445W | 21.5% | PERC | $2.95 |
| SOLIHI 440W E Pro | 440W | 21.3% | PERC | $2.89 |
Similar Wattage Panels (Competitors)
| Panel | Wattage | Efficiency | $/W |
|---|---|---|---|
| SunPower Maxeon 430W E Max | 430W | 22.6% | $4.38 |
| SunPower Maxeon 430W B All-Black | 430W | 22.6% | $4.38 |
| SunPower Maxeon 430W C Black | 430W | 22.6% | $4.38 |
| SunPower Performance 430W E Max | 430W | 22.6% | $4.38 |
Frequently Asked Questions
How much does a 400W SoliTek SOLIHI 400W E Ultra cost?
The SoliTek SOLIHI 400W E Ultra costs approximately $1000 per panel ($$2.50/W). A typical 7kW system using this panel would cost around $17,500 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 SoliTek SOLIHI 400W E Ultra a good solar panel?
The SoliTek SOLIHI 400W E Ultra has 20% 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 SoliTek SOLIHI 400W E Ultra panels do I need?
For a typical 7kW residential system, you'd need approximately 18 panels. For a 10kW system, plan for about 25 panels. The exact number depends on your roof space, energy usage, and local sun hours.