LONGi Solar — China
Hi-MO 7 450W C
The LONGi Solar Hi-MO 7 450W C is a 450W PERC solar panel with 21.2% efficiency. Backed by a 30-year warranty.
Standard TierFEOC: Restricted
450W
Wattage
21.2%
Efficiency
PERC
Cell Type
30 years
Warranty
Full Specifications
- Brand
- LONGi Solar
- Model
- Hi-MO 7 450W C
- Series
- Hi-MO 7
- Wattage
- 450W
- Module Efficiency
- 21.2%
- Cell Type
- PERC
- Dimensions
- 78-82" x 39-41"
- Weight
- 53 lbs
- Warranty
- 30 years
- Est. Price Per Watt
- $2.42
- Est. 7kW System Cost
- $16,940
- Est. 10kW System Cost
- $24,200
- 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 450W LONGi Solar Hi-MO 7 450W C cost?
The LONGi Solar Hi-MO 7 450W C costs approximately $1089 per panel ($$2.42/W). A typical 7kW system using this panel would cost around $16,940 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 450W C a good solar panel?
The LONGi Solar Hi-MO 7 450W C has 21.2% 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 7 450W C 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.