SoliTek — Lithuania
SOLIHI 420W E Max
The SoliTek SOLIHI 420W E Max is a 420W PERC solar panel with 20.7% efficiency. Backed by a 25-year warranty.
Standard Tier
420W
Wattage
20.7%
Efficiency
PERC
Cell Type
25 years
Warranty
Full Specifications
- Brand
- SoliTek
- Model
- SOLIHI 420W E Max
- Series
- SOLIHI
- Wattage
- 420W
- Module Efficiency
- 20.7%
- Cell Type
- PERC
- Dimensions
- 66-80" x 39-41"
- Weight
- 48 lbs
- Warranty
- 25 years
- Est. Price Per Watt
- $2.71
- Est. 7kW System Cost
- $18,970
- Est. 10kW System Cost
- $27,100
- 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 |
| SOLIHI 445W C All-Black | 445W | 21.5% | PERC | $2.95 |
| SOLIHI 440W E Pro | 440W | 21.3% | PERC | $2.89 |
| SOLIHI 435W B BF | 435W | 21.2% | N-Type TOPCon | $2.86 |
| SOLIHI 430W A HC | 430W | 21% | PERC | $2.80 |
Similar Wattage Panels (Competitors)
| Panel | Wattage | Efficiency | $/W |
|---|---|---|---|
| Maxeon 3 450W D Plus | 450W | 23.3% | $4.61 |
| SunPower Maxeon 445W D Plus | 445W | 23.1% | $4.58 |
| Maxeon 3 445W A Ultra | 445W | 23.1% | $4.51 |
| SunPower Maxeon 440W C | 440W | 22.9% | $4.50 |
Frequently Asked Questions
How much does a 420W SoliTek SOLIHI 420W E Max cost?
The SoliTek SOLIHI 420W E Max costs approximately $1138 per panel ($$2.71/W). A typical 7kW system using this panel would cost around $18,970 before incentives.
⚠ The 30% federal solar tax credit has ended — Section 25D expired December 31, 2025, and the Section 48E construction-start deadline passed 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 420W E Max a good solar panel?
The SoliTek SOLIHI 420W E Max has 20.7% 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 420W E 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.