JA Solar — China
JAM72 405W B Black
The JA Solar JAM72 405W B Black is a 405W PERC solar panel with 19.6% efficiency. Backed by a 25-year warranty.
Standard Tier
FEOC: Restricted
405W
Wattage
19.6%
Efficiency
PERC
Cell Type
25 years
Warranty
Full Specifications
- Brand
- JA Solar
- Model
- JAM72 405W B Black
- Series
- JAM72
- Wattage
- 405W
- Module Efficiency
- 19.6%
- Cell Type
- PERC
- Dimensions
- 66-80" x 39-41"
- Weight
- 46 lbs
- Warranty
- 25 years
- Est. Price Per Watt
- $1.94
- Est. 7kW System Cost
- $13,580
- Est. 10kW System Cost
- $19,400
- Temperature Coefficient
- -0.35%/°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 |
|---|---|---|---|
| SunPower Maxeon 435W A Ultra | 435W | 22.7% | $4.42 |
| SunPower Performance 435W A Ultra | 435W | 22.7% | $4.42 |
| SunPower X-Series 435W A Ultra | 435W | 22.7% | $4.42 |
| SunPower E-Series 435W A Ultra | 435W | 22.7% | $4.42 |
Frequently Asked Questions
How much does a 405W JA Solar JAM72 405W B Black cost?
The JA Solar JAM72 405W B Black costs approximately $786 per panel ($$1.94/W). A typical 7kW system using this panel would cost around $13,580 before incentives. After the 30% federal tax credit, your net cost drops to $9,506.
Is the JA Solar JAM72 405W B Black a good solar panel?
The JA Solar JAM72 405W B Black has 19.6% 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 JAM72 405W B Black 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.