LONGi Solar — China
Hi-MO X 445W B All-Black
The LONGi Solar Hi-MO X 445W B All-Black is a 445W N-Type TOPCon solar panel with 21.0% efficiency. Backed by a 30-year warranty.
Standard TierFEOC: RestrictedBifacial
445W
Wattage
21%
Efficiency
N-Type TOPCon
Cell Type
30 years
Warranty
Full Specifications
- Brand
- LONGi Solar
- Model
- Hi-MO X 445W B All-Black
- Series
- Hi-MO X
- Wattage
- 445W
- Module Efficiency
- 21%
- Cell Type
- N-Type TOPCon
- Dimensions
- 78-82" x 39-41"
- Weight
- 52 lbs
- Warranty
- 30 years
- Est. Price Per Watt
- $2.36
- Est. 7kW System Cost
- $16,520
- Est. 10kW System Cost
- $23,600
- Temperature Coefficient
- -0.25%/°C
- Bifacial
- Yes
- 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 445W LONGi Solar Hi-MO X 445W B All-Black cost?
The LONGi Solar Hi-MO X 445W B All-Black costs approximately $1050 per panel ($$2.36/W). A typical 7kW system using this panel would cost around $16,520 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 X 445W B All-Black a good solar panel?
The LONGi Solar Hi-MO X 445W B All-Black has 21% 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 X 445W B All-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.