Panasonic EverVolt 410 vs Renogy 450W Bifacial Mono Solar Panel
The Panasonic EverVolt 410 wins this comparison by a decisive margin. It offers better long-term durability with 25-year warranty. For most residential installations, the Panasonic EverVolt 410 is the stronger choice.
Key Differences
- • Panasonic EverVolt 410 is rated at 410W while Renogy 450W Bifacial Mono Solar Panel is rated at 450W, a 40W difference.
- • Renogy 450W Bifacial Mono Solar Panel achieves 22.8% efficiency vs 21.5% for the other, a 1.3 percentage point gap.
- • Panasonic EverVolt 410 comes with a 25-year product warranty vs 12 years for the other.
- • Panasonic EverVolt 410 has a superior temperature coefficient of -0.26%/°C vs -0.29%/°C, retaining more power in hot climates.
- • Panasonic EverVolt 410 uses HJT (Heterojunction) cells while Renogy 450W Bifacial Mono Solar Panel uses N-Type Monocrystalline cells, representing different technology generations.
Specifications Breakdown
Module Efficiency
The Renogy 450W Bifacial Mono Solar Panel achieves 22.8% module efficiency compared to Panasonic EverVolt 410's 21.5%, meaning Renogy 450W Bifacial Mono Solar Panel converts 1.3 percentage points more sunlight into electricity per square meter. In practical terms, the Panasonic EverVolt 410 produces 210.0 watts per square meter of panel area while the Renogy 450W Bifacial Mono Solar Panel produces 233.1 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 Renogy 450W Bifacial Mono Solar Panel delivers 450W per panel versus 410W for the Panasonic EverVolt 410, a 40W difference per module. To build an 8 kW residential system, you would need 20 Panasonic EverVolt 410 panels or 18 Renogy 450W Bifacial Mono Solar Panel panels. Choosing the higher-wattage option saves 2 panels, reducing total racking hardware, wiring, and installation labor costs. 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 410 has a temperature coefficient of -0.26%/°C versus -0.29%/°C for the Renogy 450W Bifacial Mono Solar Panel. On a hot summer day when cell temperature reaches 65°C (40°C above the 25°C STC baseline), the Panasonic EverVolt 410 retains 94.8% of its rated power while the other retains 94.2%. While the numerical gap is modest, it still accumulates over decades of summer production, especially in southern latitudes with prolonged peak heat hours.
Warranty Coverage
The Panasonic EverVolt 410 is backed by a 25-year product warranty and 25-year performance guarantee, while the Renogy 450W Bifacial Mono Solar Panel offers 12-year product and 25-year performance coverage. The Panasonic EverVolt 410 provides 13 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 410; 1% first year then 0.4%/year for Renogy 450W Bifacial Mono Solar Panel), after 25 years the Panasonic EverVolt 410 should retain approximately 91.1% of original output versus 89.4% for the Renogy 450W Bifacial Mono Solar Panel. This 1.7 percentage point gap in end-of-life output meaningfully impacts lifetime energy economics.
Physical Dimensions & Weight
The Panasonic EverVolt 410 measures 1722×1134×30mm and weighs 21.5 kg, while the Renogy 450W Bifacial Mono Solar Panel measures 1801×1072×30mm at 24.2 kg. 1.95 m² of panel area for the Panasonic EverVolt 410 versus 1.93 m² for the Renogy 450W Bifacial Mono Solar Panel. The Panasonic EverVolt 410 is 2.7 kg lighter per panel, which reduces structural load requirements on the roof and makes handling easier during installation. For a 20-panel system, that is a total weight difference of 54 kg. Similar footprints mean both panels fit comparably on standard residential rooftop configurations.
Specification Comparison
| Specification | Panasonic EverVolt 410 | Renogy 450W Bifacial Mono Solar Panel |
|---|---|---|
| Power | 410W | 450W |
| Efficiency | 21.5% | 22.8% |
| Power Density | 19.5 W/sq ft | 21.7 W/sq ft |
| Cell Type | HJT (Heterojunction) | N-Type Monocrystalline |
| Bifacial | Yes | Yes |
| Weight | 21.5 kg | 24.2 kg |
| Temp Coefficient | -0.26%/°C | -0.29%/°C |
| Snow Load | 5400 Pa | 5400 Pa |
| Wind Load | 2400 Pa | 2400 Pa |
| Product Warranty | 25 years | 12 years |
| Performance Warranty | 25 years | 25 years |
| Degradation (Year 1) | 0.5% | 1% |
| Annual Degradation | 0.35% | 0.4% |
| Country | Japan | China |
5-Dimension Head-to-Head Analysis
1. Efficiency & Power Density
Winner: Renogy 450W Bifacial Mono Solar PanelThe Renogy 450W Bifacial Mono Solar Panel achieves 22.8% efficiency versus 21.5% — a 1.3 percentage point advantage. On a typical 30-panel residential roof, this translates to approximately 1.2 kW more total system capacity, or 6 kWh more annual production in an average US location.
2. Hot Climate Performance
Winner: Panasonic EverVolt 410The Panasonic EverVolt 410 has a better temperature coefficient of -0.26%/°C versus -0.29%/°C. On a 45°C summer day (20°C above STC), the winner retains 94.8% of rated power versus 94.2%. The difference is modest but accumulates over 25 years of summer production.
3. Durability & Warranty
Winner: Panasonic EverVolt 410Panasonic EverVolt 410 leads with a 25-year product warranty versus 12 years. Panasonic EverVolt 410 degrades more slowly at 0.35% per year versus 0.4%. After 25 years, expect 91.1% vs 89.4% of original output for Panasonic EverVolt 410 and Renogy 450W Bifacial Mono Solar Panel respectively.
4. Power Output
Winner: Renogy 450W Bifacial Mono Solar PanelThe Renogy 450W Bifacial Mono Solar Panel delivers 450W versus 410W per panel — 40W more. For an 8 kW system, you need 18 panels with the higher-wattage option versus 20 panels, saving 2 panels and the associated racking and labor costs.
5. Cell Technology
Winner: Panasonic EverVolt 410The Panasonic EverVolt 410 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 Renogy 450W Bifacial Mono Solar Panel uses N-Type Monocrystalline: N-Type Monocrystalline. HJT (Heterojunction) represents a newer generation technology with a longer performance runway as manufacturing matures.
Panasonic EverVolt 410
DISCONTINUED: Panasonic exited solar manufacturing in 2023. The EverVolt 410 offered Panasonic's HJT technology at a slightly more accessible price point while maintaining premium quality.
Pros
- + Panasonic brand quality
- + HJT cell technology
- + Good temperature performance
- + 25-year warranty
Cons
- - DISCONTINUED - no longer manufactured
- - No new units available
- - No ongoing product support
Renogy 450W Bifacial Mono Solar Panel
The Renogy 450W Bifacial Mono Solar Panel is Renogy's flagship residential/commercial panel, combining N-Type monocrystalline cells with bifacial technology for up to 25% additional energy gain from reflected light.
Pros
- + Bifacial design with up to 25% energy gain
- + 22.8% efficiency with N-Type cells
- + 12-year product warranty — Renogy's longest
- + Good temperature coefficient at -0.29%/°C
- + UL 1703 certified for residential and commercial
Cons
- - 24.2 kg heavier than most residential panels
- - Bifacial gain requires proper mounting height and ground albedo
- - Higher upfront cost than monofacial alternatives
- - Large 1.93 m² footprint
Choose Panasonic EverVolt 410 If...
- ✓ Long-term warranty protection is a top priority and you plan to stay in your home for 25+ years
- ✓ 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 Renogy 450W Bifacial Mono Solar Panel If...
- ✓ Your roof space is limited and you need maximum power per panel
- ✓ You want fewer panels to reach your target system size, reducing racking and labor costs
- ✓ Residential and commercial installations seeking maximum energy harvest with bifacial gain, especially ground-mount systems.
Our Recommendation
The Panasonic EverVolt 410 is the decisive winner in this solar panel comparison, outperforming the Renogy 450W Bifacial Mono Solar Panel in 3 of 5 dimensions. Unless you have a specific requirement that the Renogy 450W Bifacial Mono Solar Panel uniquely addresses, the Panasonic EverVolt 410 is the stronger choice for virtually every installation scenario.
Frequently Asked Questions
Which is better, Panasonic EverVolt 410 or Renogy 450W Bifacial Mono Solar Panel?
The Panasonic EverVolt 410 wins this comparison by a decisive margin. It offers better long-term durability with 25-year warranty. For most residential installations, the Panasonic EverVolt 410 is the stronger choice.
Which panel is more efficient, Panasonic EverVolt 410 or Renogy 450W Bifacial Mono Solar Panel?
The Renogy 450W Bifacial Mono Solar Panel at 22.8% module efficiency. Higher efficiency means more watts per square foot of roof space, which is critical for space-constrained installations. The difference of 1.3 percentage points translates to approximately 40W per panel under standard test conditions.
Which has a better warranty, Panasonic EverVolt 410 or Renogy 450W Bifacial Mono Solar Panel?
The Panasonic EverVolt 410 comes with a 25-year product warranty and 25-year performance guarantee. The Renogy 450W Bifacial Mono Solar Panel offers 12-year product and 25-year performance warranties. Panasonic EverVolt 410 provides 13 additional years of product coverage.
Which panel performs better in hot weather?
The Panasonic EverVolt 410 has a temperature coefficient of -0.26%/°C and the Renogy 450W Bifacial Mono Solar Panel is -0.29%/°C. Panasonic EverVolt 410 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 410 vs Renogy 450W Bifacial Mono Solar Panel panels do I need for an 8 kW system?
For an 8 kW system: you need 20 Panasonic EverVolt 410 panels (410W each) or 18 Renogy 450W Bifacial Mono Solar Panel panels (450W each). The Renogy 450W Bifacial Mono Solar Panel requires fewer panels, saving on racking hardware and installation labor.
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Last updated: February 2026