Phono Solar — China
Pro 350W
The Phono Solar Pro 350W is a 350W PERC solar panel with 17.8% efficiency. Backed by a 12-year warranty.
Standard TierFEOC: RestrictedBifacial
350W
Wattage
17.8%
Efficiency
PERC
Cell Type
12 years
Warranty
Full Specifications
- Brand
- Phono Solar
- Model
- Pro 350W
- Series
- Pro
- Wattage
- 350W
- Module Efficiency
- 17.8%
- Cell Type
- PERC
- Dimensions
- 65-67" x 39-40"
- Weight
- 40 lbs
- Warranty
- 12 years
- Est. Price Per Watt
- $1.59
- Est. 7kW System Cost
- $11,130
- Est. 10kW System Cost
- $15,900
- Temperature Coefficient
- -0.35%/°C
- Bifacial
- Yes
- Origin
- China
- FEOC Status
- fail
Other Phono Solar Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| Pro 450W D | 450W | 21.2% | PERC | $2.61 |
| Pro 445W C All-Black | 445W | 21% | N-Type TOPCon | $2.55 |
| Pro 440W E Pro | 440W | 20.8% | N-Type TOPCon | $2.49 |
| Pro 435W B BF | 435W | 20.7% | PERC | $2.46 |
| Pro 430W A HC | 430W | 20.5% | N-Type TOPCon | $2.40 |
Similar Wattage Panels (Competitors)
| Panel | Wattage | Efficiency | $/W |
|---|---|---|---|
| SunPower Maxeon 380W A | 380W | 20.8% | $3.63 |
| SunPower Maxeon 375-D Max | 375W | 20.7% | $3.58 |
| SunPower Maxeon 370W C HD | 370W | 20.5% | $3.50 |
| SunPower Maxeon 365W Pro | 365W | 20.3% | $3.42 |
Frequently Asked Questions
How much does a 350W Phono Solar Pro 350W cost?
The Phono Solar Pro 350W costs approximately $557 per panel ($$1.59/W). A typical 7kW system using this panel would cost around $11,130 before incentives.
⚠ The 30% federal solar tax credit has ended — Section 25D expired December 31, 2025, and the Section 48E construction-start deadline passed 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 Phono Solar Pro 350W a good solar panel?
The Phono Solar Pro 350W has 17.8% efficiency and a 12 years warranty, placing it in the standard tier. This is a solid mid-range panel suitable for most residential installations.
How many Phono Solar Pro 350W panels do I need?
For a typical 7kW residential system, you'd need approximately 20 panels. For a 10kW system, plan for about 29 panels. The exact number depends on your roof space, energy usage, and local sun hours.