LONGi Solar — China
Hi-MO 7 440W C Black
The LONGi Solar Hi-MO 7 440W C Black is a 440W N-Type TOPCon solar panel with 20.9% efficiency. Backed by a 30-year warranty.
Standard TierFEOC: Restricted
440W
Wattage
20.9%
Efficiency
N-Type TOPCon
Cell Type
30 years
Warranty
Full Specifications
- Brand
- LONGi Solar
- Model
- Hi-MO 7 440W C Black
- Series
- Hi-MO 7
- Wattage
- 440W
- Module Efficiency
- 20.9%
- Cell Type
- N-Type TOPCon
- Dimensions
- 78-82" x 39-41"
- Weight
- 52 lbs
- Warranty
- 30 years
- Est. Price Per Watt
- $2.33
- Est. 7kW System Cost
- $16,310
- Est. 10kW System Cost
- $23,300
- Temperature Coefficient
- -0.25%/°C
- Bifacial
- No
- Origin
- China
- FEOC Status
- fail
Other LONGi Solar Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| Hi-MO 480W D | 480W | 22.1% | N-Type TOPCon | $2.67 |
| Hi-MO X 480W D | 480W | 22.1% | N-Type TOPCon | $2.67 |
| Hi-MO 5 480W D | 480W | 22.1% | N-Type TOPCon | $2.67 |
| Hi-MO 6 480W D | 480W | 22.1% | N-Type TOPCon | $2.67 |
| Hi-MO 7 480W D | 480W | 22.1% | N-Type TOPCon | $2.67 |
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 440W LONGi Solar Hi-MO 7 440W C Black cost?
The LONGi Solar Hi-MO 7 440W C Black costs approximately $1025 per panel ($$2.33/W). A typical 7kW system using this panel would cost around $16,310 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 LONGi Solar Hi-MO 7 440W C Black a good solar panel?
The LONGi Solar Hi-MO 7 440W C Black has 20.9% efficiency and a 30 years warranty, placing it in the standard tier. This is a solid mid-range panel suitable for most residential installations.
How many LONGi Solar Hi-MO 7 440W C Black panels do I need?
For a typical 7kW residential system, you'd need approximately 16 panels. For a 10kW system, plan for about 23 panels. The exact number depends on your roof space, energy usage, and local sun hours.