Astronergy ASTRO N5 460W vs Renogy 100W Portable Solar Panel
The Astronergy ASTRO N5 460W wins this comparison by a decisive margin. It delivers more power (460W vs 100W). For most residential installations, the Astronergy ASTRO N5 460W is the stronger choice.
Key Differences
- • Astronergy ASTRO N5 460W is rated at 460W while Renogy 100W Portable Solar Panel is rated at 100W, a 360W difference.
- • Renogy 100W Portable Solar Panel achieves 23.5% efficiency vs 21.3% for the other, a 2.2 percentage point gap.
- • Astronergy ASTRO N5 460W comes with a 12-year product warranty vs 2 years for the other.
- • Astronergy ASTRO N5 460W has a superior temperature coefficient of -0.34%/°C vs -0.37%/°C, retaining more power in hot climates.
- • Astronergy ASTRO N5 460W uses PERC Mono cells while Renogy 100W Portable Solar Panel uses Monocrystalline cells, representing different technology generations.
Specifications Breakdown
Module Efficiency
The Renogy 100W Portable Solar Panel achieves 23.5% module efficiency compared to Astronergy ASTRO N5 460W's 21.3%, meaning Renogy 100W Portable Solar Panel converts 2.2 percentage points more sunlight into electricity per square meter. In practical terms, the Astronergy ASTRO N5 460W produces 230.2 watts per square meter of panel area while the Renogy 100W Portable Solar Panel produces 525.6 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 Astronergy ASTRO N5 460W delivers 460W per panel versus 100W for the Renogy 100W Portable Solar Panel, a 360W difference per module. To build an 8 kW residential system, you would need 18 Astronergy ASTRO N5 460W panels or 80 Renogy 100W Portable Solar Panel panels. Choosing the higher-wattage option saves 62 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 Astronergy ASTRO N5 460W has a temperature coefficient of -0.34%/°C versus -0.37%/°C for the Renogy 100W Portable Solar Panel. On a hot summer day when cell temperature reaches 65°C (40°C above the 25°C STC baseline), the Astronergy ASTRO N5 460W retains 93.2% of its rated power while the other retains 92.6%. 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 Astronergy ASTRO N5 460W is backed by a 12-year product warranty and 25-year performance guarantee, while the Renogy 100W Portable Solar Panel offers 2-year product and 2-year performance coverage. The Astronergy ASTRO N5 460W provides 10 additional years of defect protection, covering manufacturing issues, material failures, and premature performance loss. Based on their published degradation rates (1.5% first year then 0.5%/year for Astronergy ASTRO N5 460W; 2.5% first year then 0.7%/year for Renogy 100W Portable Solar Panel), after 25 years the Astronergy ASTRO N5 460W should retain approximately 86.5% of original output versus 80.7% for the Renogy 100W Portable Solar Panel. This 5.8 percentage point gap in end-of-life output meaningfully impacts lifetime energy economics.
Physical Dimensions & Weight
The Astronergy ASTRO N5 460W measures 1762×1134×30mm and weighs 23 kg, while the Renogy 100W Portable Solar Panel measures 506×376×71mm at 4.8 kg. 2.00 m² of panel area for the Astronergy ASTRO N5 460W versus 0.19 m² for the Renogy 100W Portable Solar Panel. The Renogy 100W Portable Solar Panel is 18.2 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 364 kg. The more compact Renogy 100W Portable Solar Panel may be easier to fit on irregularly shaped or space-limited rooftops.
Specification Comparison
| Specification | Astronergy ASTRO N5 460W | Renogy 100W Portable Solar Panel |
|---|---|---|
| Power | 460W | 100W |
| Efficiency | 21.3% | 23.5% |
| Power Density | 21.4 W/sq ft | 48.8 W/sq ft |
| Cell Type | PERC Mono | Monocrystalline |
| Bifacial | Yes | No |
| Weight | 23 kg | 4.8 kg |
| Temp Coefficient | -0.34%/°C | -0.37%/°C |
| Snow Load | 5400 Pa | N/A |
| Wind Load | 2400 Pa | N/A |
| Product Warranty | 12 years | 2 years |
| Performance Warranty | 25 years | 2 years |
| Degradation (Year 1) | 1.5% | 2.5% |
| Annual Degradation | 0.5% | 0.7% |
| Country | China | China |
5-Dimension Head-to-Head Analysis
1. Efficiency & Power Density
Winner: Renogy 100W Portable Solar PanelThe Renogy 100W Portable Solar Panel achieves 23.5% efficiency versus 21.3% — a 2.2 percentage point advantage. On a typical 30-panel residential roof, this translates to approximately 10.8 kW more total system capacity, or 49 kWh more annual production in an average US location.
2. Hot Climate Performance
Winner: Astronergy ASTRO N5 460WThe Astronergy ASTRO N5 460W has a better temperature coefficient of -0.34%/°C versus -0.37%/°C. On a 45°C summer day (20°C above STC), the winner retains 93.2% of rated power versus 92.6%. The difference is modest but accumulates over 25 years of summer production.
3. Durability & Warranty
Winner: Astronergy ASTRO N5 460WAstronergy ASTRO N5 460W leads with a 12-year product warranty versus 2 years. Astronergy ASTRO N5 460W degrades more slowly at 0.5% per year versus 0.7%. After 25 years, expect 86.5% vs 80.7% of original output for Astronergy ASTRO N5 460W and Renogy 100W Portable Solar Panel respectively.
4. Power Output
Winner: Astronergy ASTRO N5 460WThe Astronergy ASTRO N5 460W delivers 460W versus 100W per panel — 360W more. For an 8 kW system, you need 18 panels with the higher-wattage option versus 80 panels, saving 62 panels and the associated racking and labor costs.
5. Cell Technology
Winner: Renogy 100W Portable Solar PanelThe Astronergy ASTRO N5 460W uses PERC Mono: PERC (Passivated Emitter Rear Cell) is the current mainstream technology, offering good efficiency at the lowest manufacturing cost. The Renogy 100W Portable Solar Panel uses Monocrystalline: Monocrystalline. Monocrystalline represents a newer generation technology with a longer performance runway as manufacturing matures.
Astronergy ASTRO N5 460W
The ASTRO N5 is a mid-range PERC panel delivering 460W for residential and commercial installations at a value price point.
Pros
- + Good value per watt
- + Mid-size format
- + CHINT Group backing
- + Widely available globally
Cons
- - Older PERC technology
- - Standard efficiency
- - Less known in US
Renogy 100W Portable Solar Panel
The Renogy 100W Portable Solar Panel is a foldable, lightweight panel with an integrated kickstand and IP65 weather resistance, designed for camping, RV trips, and emergency power. Dimensions listed are folded (506×376×71mm).
Pros
- + Ultra-lightweight at 4.8 kg for portability
- + 23.5% efficiency — high for portable class
- + Integrated adjustable kickstand
- + IP65 water and dust resistance
- + Foldable design for compact storage
Cons
- - 2-year warranty significantly shorter than rigid panels
- - Higher cost per watt than rigid 100W panel
- - Folding design less durable than rigid frame
- - Not suitable for permanent installation
Choose Astronergy ASTRO N5 460W 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 12+ 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
- ✓ Value-oriented projects seeking competitive PERC pricing from a global manufacturer.
Choose Renogy 100W Portable Solar Panel If...
- ✓ Your roof space is limited and you need maximum power per panel
- ✓ Campers, overlanders, and emergency preparedness users needing a compact, grab-and-go solar charging solution.
Our Recommendation
The Astronergy ASTRO N5 460W is the decisive winner in this solar panel comparison, outperforming the Renogy 100W Portable Solar Panel in 3 of 5 dimensions. Unless you have a specific requirement that the Renogy 100W Portable Solar Panel uniquely addresses, the Astronergy ASTRO N5 460W is the stronger choice for virtually every installation scenario.
Frequently Asked Questions
Which is better, Astronergy ASTRO N5 460W or Renogy 100W Portable Solar Panel?
The Astronergy ASTRO N5 460W wins this comparison by a decisive margin. It delivers more power (460W vs 100W). For most residential installations, the Astronergy ASTRO N5 460W is the stronger choice.
Which panel is more efficient, Astronergy ASTRO N5 460W or Renogy 100W Portable Solar Panel?
The Renogy 100W Portable Solar Panel at 23.5% module efficiency. Higher efficiency means more watts per square foot of roof space, which is critical for space-constrained installations. The difference of 2.2 percentage points translates to approximately 360W per panel under standard test conditions.
Which has a better warranty, Astronergy ASTRO N5 460W or Renogy 100W Portable Solar Panel?
The Astronergy ASTRO N5 460W comes with a 12-year product warranty and 25-year performance guarantee. The Renogy 100W Portable Solar Panel offers 2-year product and 2-year performance warranties. Astronergy ASTRO N5 460W provides 10 additional years of product coverage.
Which panel performs better in hot weather?
The Astronergy ASTRO N5 460W has a temperature coefficient of -0.34%/°C and the Renogy 100W Portable Solar Panel is -0.37%/°C. Astronergy ASTRO N5 460W retains more power in heat — important in states like Arizona, Texas, and Florida. A lower (less negative) temperature coefficient is better.
How many Astronergy ASTRO N5 460W vs Renogy 100W Portable Solar Panel panels do I need for an 8 kW system?
For an 8 kW system: you need 18 Astronergy ASTRO N5 460W panels (460W each) or 80 Renogy 100W Portable Solar Panel panels (100W each). The Astronergy ASTRO N5 460W requires fewer panels, saving on racking hardware and installation labor.
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Last updated: February 2026