LONGi Solar — China
Hi-MO 475W C All-Black
The LONGi Solar Hi-MO 475W C All-Black is a 475W PERC solar panel with 22.0% efficiency. Backed by a 30-year warranty.
Standard TierFEOC: Restricted
475W
Wattage
22%
Efficiency
PERC
Cell Type
30 years
Warranty
Full Specifications
- Brand
- LONGi Solar
- Model
- Hi-MO 475W C All-Black
- Series
- Hi-MO
- Wattage
- 475W
- Module Efficiency
- 22%
- Cell Type
- PERC
- Dimensions
- 78-82" x 39-41"
- Weight
- 55 lbs
- Warranty
- 30 years
- Est. Price Per Watt
- $2.64
- Est. 7kW System Cost
- $18,480
- Est. 10kW System Cost
- $26,400
- Temperature Coefficient
- -0.35%/°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 475W LONGi Solar Hi-MO 475W C All-Black cost?
The LONGi Solar Hi-MO 475W C All-Black costs approximately $1254 per panel ($$2.64/W). A typical 7kW system using this panel would cost around $18,480 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 475W C All-Black a good solar panel?
The LONGi Solar Hi-MO 475W C All-Black has 22% efficiency and a 30 years warranty, placing it in the standard tier. This is above-average efficiency, making it a strong choice.
How many LONGi Solar Hi-MO 475W C All-Black panels do I need?
For a typical 7kW residential system, you'd need approximately 15 panels. For a 10kW system, plan for about 22 panels. The exact number depends on your roof space, energy usage, and local sun hours.