Hyundai Energy — South Korea
HiISS 395W A Max
The Hyundai Energy HiISS 395W A Max is a 395W PERC solar panel with 19.5% efficiency. Backed by a 30-year warranty.
Standard TierBifacial
395W
Wattage
19.5%
Efficiency
PERC
Cell Type
30 years
Warranty
Full Specifications
- Brand
- Hyundai Energy
- Model
- HiISS 395W A Max
- Series
- HiISS
- Wattage
- 395W
- Module Efficiency
- 19.5%
- Cell Type
- PERC
- Dimensions
- 65-67" x 39-40"
- Weight
- 44 lbs
- Warranty
- 30 years
- Est. Price Per Watt
- $2.35
- Est. 7kW System Cost
- $16,450
- Est. 10kW System Cost
- $23,500
- Temperature Coefficient
- -0.35%/°C
- Bifacial
- Yes
- Origin
- South Korea
- FEOC Status
- check
Other Hyundai Energy Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| HiISS 455W D | 455W | 21.7% | PERC | $3.01 |
| HiISS 450W C All-Black | 450W | 21.5% | N-Type TOPCon | $2.95 |
| HiISS 445W E Pro | 445W | 21.4% | N-Type TOPCon | $2.92 |
| HiISS 440W B BF | 440W | 21.2% | PERC | $2.86 |
| HiISS 435W A HC | 435W | 21% | N-Type TOPCon | $2.80 |
Similar Wattage Panels (Competitors)
| Panel | Wattage | Efficiency | $/W |
|---|---|---|---|
| Panasonic HIT 425W E Pro | 425W | 22.5% | $4.18 |
| SunPower Maxeon 425W E HC | 425W | 22.4% | $4.29 |
| SunPower Maxeon 425W D Pro | 425W | 22.4% | $4.29 |
| Panasonic HIT 420W D Plus | 420W | 22.3% | $4.08 |
Frequently Asked Questions
How much does a 395W Hyundai Energy HiISS 395W A Max cost?
The Hyundai Energy HiISS 395W A Max costs approximately $928 per panel ($$2.35/W). A typical 7kW system using this panel would cost around $16,450 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 Hyundai Energy HiISS 395W A Max a good solar panel?
The Hyundai Energy HiISS 395W A Max has 19.5% 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 Hyundai Energy HiISS 395W A Max panels do I need?
For a typical 7kW residential system, you'd need approximately 18 panels. For a 10kW system, plan for about 26 panels. The exact number depends on your roof space, energy usage, and local sun hours.