JA Solar — China
JAM72 455W A Ultra
The JA Solar JAM72 455W A Ultra is a 455W N-Type TOPCon solar panel with 21.6% efficiency. Backed by a 25-year warranty.
Standard TierFEOC: Restricted
455W
Wattage
21.6%
Efficiency
N-Type TOPCon
Cell Type
25 years
Warranty
Full Specifications
- Brand
- JA Solar
- Model
- JAM72 455W A Ultra
- Series
- JAM72
- Wattage
- 455W
- Module Efficiency
- 21.6%
- Cell Type
- N-Type TOPCon
- Dimensions
- 78-82" x 39-41"
- Weight
- 53 lbs
- Warranty
- 25 years
- Est. Price Per Watt
- $2.41
- Est. 7kW System Cost
- $16,870
- Est. 10kW System Cost
- $24,100
- 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 |
|---|---|---|---|
| Maxeon Maxeon 3 455W E Pro | 455W | 23.5% | $4.72 |
| Maxeon Maxeon 6 455W E Pro | 455W | 23.5% | $4.72 |
| Maxeon Maxeon 7 455W E Pro | 455W | 23.5% | $4.72 |
| Maxeon Maxeon Air 455W E Pro | 455W | 23.5% | $4.72 |
Frequently Asked Questions
How much does a 455W JA Solar JAM72 455W A Ultra cost?
The JA Solar JAM72 455W A Ultra costs approximately $1097 per panel ($$2.41/W). A typical 7kW system using this panel would cost around $16,870 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 JA Solar JAM72 455W A Ultra a good solar panel?
The JA Solar JAM72 455W A Ultra has 21.6% efficiency and a 25 years warranty, placing it in the standard tier. This is above-average efficiency, making it a strong choice.
How many JA Solar JAM72 455W A Ultra panels do I need?
For a typical 7kW residential system, you'd need approximately 16 panels. For a 10kW system, plan for about 22 panels. The exact number depends on your roof space, energy usage, and local sun hours.