Adani Solar — India
Atum 405W A All-Black
The Adani Solar Atum 405W A All-Black is a 405W N-Type TOPCon solar panel with 19.5% efficiency. Backed by a 12-year warranty.
Standard Tier
405W
Wattage
19.5%
Efficiency
N-Type TOPCon
Cell Type
12 years
Warranty
Full Specifications
- Brand
- Adani Solar
- Model
- Atum 405W A All-Black
- Series
- Atum
- Wattage
- 405W
- Module Efficiency
- 19.5%
- Cell Type
- N-Type TOPCon
- Dimensions
- 66-80" x 39-41"
- Weight
- 46 lbs
- Warranty
- 12 years
- Est. Price Per Watt
- $1.90
- Est. 7kW System Cost
- $13,300
- Est. 10kW System Cost
- $19,000
- Temperature Coefficient
- -0.25%/°C
- Bifacial
- No
- Origin
- India
- FEOC Status
- check
Other Adani Solar Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| Atum 460W D | 460W | 21.1% | PERC | $2.38 |
| Atum 455W C All-Black | 455W | 20.9% | N-Type TOPCon | $2.32 |
| Atum 445W E Pro | 445W | 20.6% | N-Type TOPCon | $2.23 |
| Atum 445W B BF | 445W | 20.6% | PERC | $2.23 |
| Atum 440W D Plus | 440W | 20.5% | PERC | $2.20 |
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 Adani Solar Atum 405W A All-Black cost?
The Adani Solar Atum 405W A All-Black costs approximately $770 per panel ($$1.90/W). A typical 7kW system using this panel would cost around $13,300 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 Adani Solar Atum 405W A All-Black a good solar panel?
The Adani Solar Atum 405W A All-Black has 19.5% efficiency and a 12 years warranty, placing it in the standard tier. This is a solid mid-range panel suitable for most residential installations.
How many Adani Solar Atum 405W A All-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.