LONGi Solar — China
Hi-MO 5 375W Pro
The LONGi Solar Hi-MO 5 375W Pro is a 375W N-Type TOPCon solar panel with 18.8% efficiency. Backed by a 25-year warranty.
Standard TierFEOC: Restricted
375W
Wattage
18.8%
Efficiency
N-Type TOPCon
Cell Type
25 years
Warranty
Full Specifications
- Brand
- LONGi Solar
- Model
- Hi-MO 5 375W Pro
- Series
- Hi-MO 5
- Wattage
- 375W
- Module Efficiency
- 18.8%
- Cell Type
- N-Type TOPCon
- Dimensions
- 65-67" x 39-40"
- Weight
- 42 lbs
- Warranty
- 25 years
- Est. Price Per Watt
- $1.74
- Est. 7kW System Cost
- $12,180
- Est. 10kW System Cost
- $17,400
- 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 |
|---|---|---|---|
| SunPower Maxeon-40 HC | 405W | 21.7% | $4.00 |
| SunPower Maxeon 405W E Ultra | 405W | 21.7% | $4.00 |
| SunPower Maxeon 405W A Max | 405W | 21.7% | $4.00 |
| SunPower Performance-40 HC | 405W | 21.7% | $4.00 |
Frequently Asked Questions
How much does a 375W LONGi Solar Hi-MO 5 375W Pro cost?
The LONGi Solar Hi-MO 5 375W Pro costs approximately $653 per panel ($$1.74/W). A typical 7kW system using this panel would cost around $12,180 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 5 375W Pro a good solar panel?
The LONGi Solar Hi-MO 5 375W Pro has 18.8% efficiency and a 25 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 5 375W Pro panels do I need?
For a typical 7kW residential system, you'd need approximately 19 panels. For a 10kW system, plan for about 27 panels. The exact number depends on your roof space, energy usage, and local sun hours.