LG — South Korea
NeON 425W A Ultra
The LG NeON 425W A Ultra is a 425W N-Type solar panel with 21.8% efficiency. Backed by a 25-year warranty.
Discontinued panel — still supported for existing owners. LG exited solar panel manufacturing in February 2022 Specs below reflect the final production version.
Premium Tier
425W
Wattage
21.8%
Efficiency
N-Type
Cell Type
25 years
Warranty
Full Specifications
- Brand
- LG
- Model
- NeON 425W A Ultra
- Series
- NeON
- Wattage
- 425W
- Module Efficiency
- 21.8%
- Cell Type
- N-Type
- Dimensions
- 66-80" x 39-41"
- Weight
- 48 lbs
- Warranty
- 25 years
- Est. Price Per Watt
- $3.90
- Est. 7kW System Cost
- $27,300
- Est. 10kW System Cost
- $39,000
- Temperature Coefficient
- -0.25%/°C
- Bifacial
- No
- Origin
- South Korea
- FEOC Status
- check
Other LG Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| NeON 435W E Pro | 435W | 22.2% | N-Type | $4.10 |
| NeON 430W D Plus | 430W | 22% | N-Type | $4.00 |
| NeON 425W C | 425W | 21.8% | N-Type | $3.90 |
| NeON 420W E Max | 420W | 21.6% | N-Type | $3.80 |
| NeON 420W D Silver | 420W | 21.6% | N-Type | $3.80 |
Similar Wattage Panels (Competitors)
| Panel | Wattage | Efficiency | $/W |
|---|---|---|---|
| Maxeon 3 455W E Pro | 455W | 23.5% | $4.72 |
| SunPower Maxeon 455W E Pro | 455W | 23.4% | $4.71 |
| Maxeon 3 450W D Plus | 450W | 23.3% | $4.61 |
| SunPower Maxeon 445W D Plus | 445W | 23.1% | $4.58 |
Frequently Asked Questions
How much does a 425W LG NeON 425W A Ultra cost?
The LG NeON 425W A Ultra costs approximately $1658 per panel ($$3.90/W). A typical 7kW system using this panel would cost around $27,300 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 LG NeON 425W A Ultra a good solar panel?
The LG NeON 425W A Ultra has 21.8% efficiency and a 25 years warranty, placing it in the premium tier. This is above-average efficiency, making it a strong choice.
How many LG NeON 425W A Ultra panels do I need?
For a typical 7kW residential system, you'd need approximately 17 panels. For a 10kW system, plan for about 24 panels. The exact number depends on your roof space, energy usage, and local sun hours.