Panasonic — Japan
EverVolt VK 380-D Max
The Panasonic EverVolt VK 380-D Max is a 380W HJT solar panel with 20.0% efficiency. Made in Japan. Backed by a 25-year warranty.
Premium Tier
380W
Wattage
20%
Efficiency
HJT
Cell Type
25 years
Warranty
Full Specifications
- Brand
- Panasonic
- Model
- EverVolt VK 380-D Max
- Series
- EverVolt VK
- Wattage
- 380W
- Module Efficiency
- 20%
- Cell Type
- HJT
- Dimensions
- 65-67" x 39-40"
- Weight
- 43 lbs
- Warranty
- 25 years
- Est. Price Per Watt
- $3.00
- Est. 7kW System Cost
- $21,000
- Est. 10kW System Cost
- $30,000
- Temperature Coefficient
- -0.25%/°C
- Bifacial
- No
- Origin
- Japan
- FEOC Status
- likely_pass
Other Panasonic Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| EverVolt 425W E Pro | 425W | 22.5% | HJT | $4.18 |
| EverVolt VK 425W E Pro | 425W | 22.5% | HJT | $4.18 |
| HIT 425W E Pro | 425W | 22.5% | HJT | $4.18 |
| HIT Plus 425W E Pro | 425W | 22.5% | HJT | $4.18 |
| EverVolt 420W A Ultra | 420W | 22.3% | HJT | $4.08 |
Similar Wattage Panels (Competitors)
| Panel | Wattage | Efficiency | $/W |
|---|---|---|---|
| SunPower Maxeon 410W A All-Black | 410W | 21.9% | $4.08 |
| SunPower Maxeon 410W B | 410W | 21.9% | $4.08 |
| SunPower Maxeon 410W D HD | 410W | 21.9% | $4.08 |
| SunPower Performance 410W A All-Black | 410W | 21.9% | $4.08 |
Frequently Asked Questions
How much does a 380W Panasonic EverVolt VK 380-D Max cost?
The Panasonic EverVolt VK 380-D Max costs approximately $1140 per panel ($$3.00/W). A typical 7kW system using this panel would cost around $21,000 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 Panasonic EverVolt VK 380-D Max a good solar panel?
The Panasonic EverVolt VK 380-D Max has 20% efficiency and a 25 years warranty, placing it in the premium tier. This is a solid mid-range panel suitable for most residential installations.
How many Panasonic EverVolt VK 380-D Max panels do I need?
For a typical 7kW residential system, you'd need approximately 19 panels. For a 10kW system, plan for about 27 panels. The exact number depends on your roof space, energy usage, and local sun hours.