Panasonic EverVolt H 410W vs Aptos Solar DNA-108-BF10 415W
The Panasonic EverVolt H 410W wins this comparison by a narrow margin. It leads in efficiency (21.6% vs 21.25%). For most residential installations, the Panasonic EverVolt H 410W is the stronger choice.
Key Differences
- • Panasonic EverVolt H 410W is rated at 410W while Aptos Solar DNA-108-BF10 415W is rated at 415W, a 5W difference.
- • Panasonic EverVolt H 410W achieves 21.6% efficiency vs 21.25% for the other, a 0.4 percentage point gap.
- • Aptos Solar DNA-108-BF10 415W comes with a 30-year product warranty vs 25 years for the other.
- • Panasonic EverVolt H 410W has a superior temperature coefficient of -0.26%/°C vs -0.32%/°C, retaining more power in hot climates.
- • Panasonic EverVolt H 410W uses HJT (Heterojunction) cells while Aptos Solar DNA-108-BF10 415W uses PERC Mono Bifacial cells, representing different technology generations.
Specifications Breakdown
Module Efficiency
The Panasonic EverVolt H 410W achieves 21.6% module efficiency compared to Aptos Solar DNA-108-BF10 415W's 21.25%, meaning Panasonic EverVolt H 410W converts 0.4 percentage points more sunlight into electricity per square meter. In practical terms, the Panasonic EverVolt H 410W produces 210.0 watts per square meter of panel area while the Aptos Solar DNA-108-BF10 415W produces 212.5 W/m². For rooftop installations where space is limited, this efficiency gap determines how many kilowatts you can fit on your available roof area. Over a 25-year system life, even a small efficiency advantage compounds into meaningful additional energy production.
Power Output
The Aptos Solar DNA-108-BF10 415W delivers 415W per panel versus 410W for the Panasonic EverVolt H 410W, a 5W difference per module. To build an 8 kW residential system, you would need 20 Panasonic EverVolt H 410W panels or 20 Aptos Solar DNA-108-BF10 415W panels. Despite the per-panel wattage difference, both require the same number of panels for this system size due to rounding. Higher wattage per panel is particularly valuable for commercial-scale installations where panel count directly impacts balance-of-system costs.
Temperature Coefficient
The Panasonic EverVolt H 410W has a temperature coefficient of -0.26%/°C versus -0.32%/°C for the Aptos Solar DNA-108-BF10 415W. On a hot summer day when cell temperature reaches 65°C (40°C above the 25°C STC baseline), the Panasonic EverVolt H 410W retains 94.8% of its rated power while the other retains 93.6%. This difference is particularly significant in hot climates such as the American Southwest, the Middle East, and Southeast Asia, where panels routinely operate 30-40°C above STC for several hours each day. Over the system lifetime, the cumulative energy advantage from a better temperature coefficient can amount to 2-4% of total production.
Warranty Coverage
The Panasonic EverVolt H 410W is backed by a 25-year product warranty and 25-year performance guarantee, while the Aptos Solar DNA-108-BF10 415W offers 30-year product and 30-year performance coverage. The Aptos Solar DNA-108-BF10 415W provides 5 additional years of defect protection, covering manufacturing issues, material failures, and premature performance loss. Based on their published degradation rates (0.5% first year then 0.35%/year for Panasonic EverVolt H 410W; 1% first year then 0.54%/year for Aptos Solar DNA-108-BF10 415W), after 25 years the Panasonic EverVolt H 410W should retain approximately 91.1% of original output versus 86.0% for the Aptos Solar DNA-108-BF10 415W. This 5.1 percentage point gap in end-of-life output meaningfully impacts lifetime energy economics.
Physical Dimensions & Weight
The Panasonic EverVolt H 410W measures 1722×1134×30mm and weighs 21.5 kg, while the Aptos Solar DNA-108-BF10 415W measures 1722×1134×35mm at 22 kg. 1.95 m² of panel area for the Panasonic EverVolt H 410W versus 1.95 m² for the Aptos Solar DNA-108-BF10 415W. Their weights are closely matched, so neither panel imposes a significantly different structural load on the mounting system. Similar footprints mean both panels fit comparably on standard residential rooftop configurations.
Specification Comparison
| Specification | Panasonic EverVolt H 410W | Aptos Solar DNA-108-BF10 415W |
|---|---|---|
| Power | 410W | 415W |
| Efficiency | 21.6% | 21.25% |
| Power Density | 19.5 W/sq ft | 19.7 W/sq ft |
| Cell Type | HJT (Heterojunction) | PERC Mono Bifacial |
| Bifacial | Yes | Yes |
| Weight | 21.5 kg | 22 kg |
| Temp Coefficient | -0.26%/°C | -0.32%/°C |
| Snow Load | 5400 Pa | 5400 Pa |
| Wind Load | 2400 Pa | 4000 Pa |
| Product Warranty | 25 years | 30 years |
| Performance Warranty | 25 years | 30 years |
| Degradation (Year 1) | 0.5% | 1% |
| Annual Degradation | 0.35% | 0.54% |
| Country | Japan | Vietnam |
5-Dimension Head-to-Head Analysis
1. Efficiency & Power Density
Winner: Panasonic EverVolt H 410WThe Panasonic EverVolt H 410W achieves 21.6% efficiency versus 21.25% — a 0.4 percentage point advantage. On a typical 30-panel residential roof, this translates to approximately 0.1 kW more total system capacity, or 1 kWh more annual production in an average US location.
2. Hot Climate Performance
Winner: Panasonic EverVolt H 410WThe Panasonic EverVolt H 410W has a better temperature coefficient of -0.26%/°C versus -0.32%/°C. On a 45°C summer day (20°C above STC), the winner retains 94.8% of rated power versus 93.6%. This is a meaningful difference in hot states like Arizona, Texas, and Florida.
3. Durability & Warranty
Winner: Aptos Solar DNA-108-BF10 415WAptos Solar DNA-108-BF10 415W leads with a 30-year product warranty versus 25 years. Panasonic EverVolt H 410W degrades more slowly at 0.35% per year versus 0.54%. After 25 years, expect 91.1% vs 86.0% of original output for Panasonic EverVolt H 410W and Aptos Solar DNA-108-BF10 415W respectively.
4. Power Output
Winner: Aptos Solar DNA-108-BF10 415WThe Aptos Solar DNA-108-BF10 415W delivers 415W versus 410W per panel — 5W more. For an 8 kW system, you need 20 panels with the higher-wattage option versus 20 panels, saving 0 panels and the associated racking and labor costs.
5. Cell Technology
Winner: Panasonic EverVolt H 410WThe Panasonic EverVolt H 410W uses HJT (Heterojunction): HJT (Heterojunction) combines crystalline silicon with amorphous silicon layers, delivering the best temperature coefficient and bifacial gains, but at higher manufacturing cost. The Aptos Solar DNA-108-BF10 415W uses PERC Mono Bifacial: PERC (Passivated Emitter Rear Cell) is the current mainstream technology, offering good efficiency at the lowest manufacturing cost. HJT (Heterojunction) represents a newer generation technology with a longer performance runway as manufacturing matures.
Panasonic EverVolt H 410W
DISCONTINUED: Panasonic exited solar manufacturing in 2023. The EverVolt H delivered 410W HJT performance in a compact residential format backed by Panasonic's 25-year complete warranty.
Pros
- + 25-year product warranty
- + HJT technology
- + Excellent temperature performance
- + Compact design
Cons
- - DISCONTINUED - no longer manufactured
- - No new units available
- - No ongoing product support
Aptos Solar DNA-108-BF10 415W
Aptos Solar DNA-108-BF10 is a 415W bifacial residential panel with up to 30% rear-side energy gain using patented DNA technology and 108 half-cut cells.
Pros
- + Bifacial design captures up to 30% additional rear-side energy
- + 30-year dual warranty for product and performance
- + Compact 108-cell format for residential rooftops
- + All-black aesthetic
Cons
- - Bifacial gain requires reflective ground surface or elevated mounting
- - PERC technology vs newer N-type alternatives
- - Slightly heavier than monofacial version
Choose Panasonic EverVolt H 410W If...
- ✓ Your roof space is limited and you need maximum power per panel
- ✓ You live in a hot climate (Arizona, Texas, Florida) where heat performance matters
- ✓ You want maximum output retention over the system's 25-30 year lifespan
- ✓ You prefer newer cell technology with a longer performance improvement runway
- ✓ No longer available for new installations.
Choose Aptos Solar DNA-108-BF10 415W If...
- ✓ You want fewer panels to reach your target system size, reducing racking and labor costs
- ✓ Long-term warranty protection is a top priority and you plan to stay in your home for 30+ years
- ✓ Homeowners with ground-mount or elevated roof installations who want additional energy from bifacial rear-side capture.
Our Recommendation
Both the Panasonic EverVolt H 410W and Aptos Solar DNA-108-BF10 415W are excellent solar panel options, and the margin between them is narrow. The Panasonic EverVolt H 410W wins 3 of 5 comparison dimensions by a slim margin. Your decision may come down to local pricing, installer availability, and which specific performance metrics matter most for your project. Either product is a solid investment.
Frequently Asked Questions
Which is better, Panasonic EverVolt H 410W or Aptos Solar DNA-108-BF10 415W?
The Panasonic EverVolt H 410W wins this comparison by a narrow margin. It leads in efficiency (21.6% vs 21.25%). For most residential installations, the Panasonic EverVolt H 410W is the stronger choice.
Which panel is more efficient, Panasonic EverVolt H 410W or Aptos Solar DNA-108-BF10 415W?
The Panasonic EverVolt H 410W at 21.6% module efficiency. Higher efficiency means more watts per square foot of roof space, which is critical for space-constrained installations. The difference of 0.4 percentage points translates to approximately 5W per panel under standard test conditions.
Which has a better warranty, Panasonic EverVolt H 410W or Aptos Solar DNA-108-BF10 415W?
The Panasonic EverVolt H 410W comes with a 25-year product warranty and 25-year performance guarantee. The Aptos Solar DNA-108-BF10 415W offers 30-year product and 30-year performance warranties. Aptos Solar DNA-108-BF10 415W provides 5 additional years of product coverage.
Which panel performs better in hot weather?
The Panasonic EverVolt H 410W has a temperature coefficient of -0.26%/°C and the Aptos Solar DNA-108-BF10 415W is -0.32%/°C. Panasonic EverVolt H 410W retains more power in heat — important in states like Arizona, Texas, and Florida. A lower (less negative) temperature coefficient is better.
How many Panasonic EverVolt H 410W vs Aptos Solar DNA-108-BF10 415W panels do I need for an 8 kW system?
For an 8 kW system: you need 20 Panasonic EverVolt H 410W panels (410W each) or 20 Aptos Solar DNA-108-BF10 415W panels (415W each). The Aptos Solar DNA-108-BF10 415W requires fewer panels, saving on racking hardware and installation labor.
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Last updated: February 2026