JA Solar — China
JAM 390W C HD
The JA Solar JAM 390W C HD is a 390W N-Type TOPCon solar panel with 19.0% efficiency. Backed by a 25-year warranty.
Standard Tier
FEOC: Restricted
390W
Wattage
19%
Efficiency
N-Type TOPCon
Cell Type
25 years
Warranty
Full Specifications
- Brand
- JA Solar
- Model
- JAM 390W C HD
- Series
- JAM
- Wattage
- 390W
- Module Efficiency
- 19%
- Cell Type
- N-Type TOPCon
- Dimensions
- 65-67" x 39-40"
- Weight
- 44 lbs
- Warranty
- 25 years
- Est. Price Per Watt
- $1.80
- Est. 7kW System Cost
- $12,600
- Est. 10kW System Cost
- $18,000
- Temperature Coefficient
- -0.25%/°C
- Bifacial
- No
- Origin
- China
- FEOC Status
- fail
Other JA Solar Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| JAM 485W D | 485W | 22.8% | N-Type TOPCon | $2.69 |
| DeepBlue 485W D | 485W | 22.8% | N-Type TOPCon | $2.69 |
| JAM72 485W D | 485W | 22.8% | N-Type TOPCon | $2.69 |
| JAM54 485W D | 485W | 22.8% | N-Type TOPCon | $2.69 |
| DeepBlue 3.0 485W D | 485W | 22.8% | N-Type TOPCon | $2.69 |
Similar Wattage Panels (Competitors)
| Panel | Wattage | Efficiency | $/W |
|---|---|---|---|
| Panasonic EverVolt 420W A Ultra | 420W | 22.3% | $4.08 |
| Panasonic EverVolt 420W D Plus | 420W | 22.3% | $4.08 |
| Panasonic EverVolt VK 420W A Ultra | 420W | 22.3% | $4.08 |
| Panasonic EverVolt VK 420W D Plus | 420W | 22.3% | $4.08 |
Frequently Asked Questions
How much does a 390W JA Solar JAM 390W C HD cost?
The JA Solar JAM 390W C HD costs approximately $702 per panel ($$1.80/W). A typical 7kW system using this panel would cost around $12,600 before incentives. After the 30% federal tax credit, your net cost drops to $8,820.
Is the JA Solar JAM 390W C HD a good solar panel?
The JA Solar JAM 390W C HD has 19% 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 JA Solar JAM 390W C HD 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.