Trina Solar — China
Honey 400W A
The Trina Solar Honey 400W A is a 400W PERC solar panel with 19.4% efficiency. Backed by a 25-year warranty.
Standard TierFEOC: Restricted
400W
Wattage
19.4%
Efficiency
PERC
Cell Type
25 years
Warranty
Full Specifications
- Brand
- Trina Solar
- Model
- Honey 400W A
- Series
- Honey
- Wattage
- 400W
- Module Efficiency
- 19.4%
- Cell Type
- PERC
- Dimensions
- 66-80" x 39-41"
- Weight
- 46 lbs
- Warranty
- 25 years
- Est. Price Per Watt
- $1.91
- Est. 7kW System Cost
- $13,370
- Est. 10kW System Cost
- $19,100
- Temperature Coefficient
- -0.35%/°C
- Bifacial
- No
- Origin
- China
- FEOC Status
- fail
Other Trina Solar Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| Honey 490W D | 490W | 22.8% | N-Type TOPCon | $2.81 |
| Honey 485W C All-Black | 485W | 22.6% | PERC | $2.76 |
| Honey 475W B BF | 475W | 22.2% | N-Type TOPCon | $2.65 |
| Honey 475W E Pro | 475W | 22.2% | PERC | $2.65 |
| Honey 470W A HC | 470W | 22% | PERC | $2.60 |
Similar Wattage Panels (Competitors)
| Panel | Wattage | Efficiency | $/W |
|---|---|---|---|
| SunPower Maxeon 430W E Max | 430W | 22.6% | $4.38 |
| SunPower Maxeon 430W C Black | 430W | 22.6% | $4.38 |
| Panasonic HIT 425W E Pro | 425W | 22.5% | $4.18 |
| Maxeon 3 430W E HC | 430W | 22.5% | $4.19 |
Frequently Asked Questions
How much does a 400W Trina Solar Honey 400W A cost?
The Trina Solar Honey 400W A costs approximately $764 per panel ($$1.91/W). A typical 7kW system using this panel would cost around $13,370 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 Trina Solar Honey 400W A a good solar panel?
The Trina Solar Honey 400W A has 19.4% 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 Trina Solar Honey 400W A panels do I need?
For a typical 7kW residential system, you'd need approximately 18 panels. For a 10kW system, plan for about 25 panels. The exact number depends on your roof space, energy usage, and local sun hours.