LONGi Hi-MO 6 580W vs Renogy 200W 24V Mono N-Type Solar Panel

Our Verdict Winner: LONGi Hi-MO 6 580W

The LONGi Hi-MO 6 580W wins this comparison by a decisive margin. It delivers more power (580W vs 200W). For most residential installations, the LONGi Hi-MO 6 580W is the stronger choice.

Power / Capacity
580W
vs
200W
Efficiency
22.3%
vs
25%
Warranty
12 yrs
vs
5 yrs

Key Differences

  • LONGi Hi-MO 6 580W is rated at 580W while Renogy 200W 24V Mono N-Type Solar Panel is rated at 200W, a 380W difference.
  • Renogy 200W 24V Mono N-Type Solar Panel achieves 25% efficiency vs 22.3% for the other, a 2.7 percentage point gap.
  • LONGi Hi-MO 6 580W comes with a 12-year product warranty vs 5 years for the other.
  • Renogy 200W 24V Mono N-Type Solar Panel has a superior temperature coefficient of -0.3%/°C vs -0.34%/°C, retaining more power in hot climates.
  • LONGi Hi-MO 6 580W uses PERC Mono Half-cut cells while Renogy 200W 24V Mono N-Type Solar Panel uses N-Type Monocrystalline cells, representing different technology generations.

Specifications Breakdown

Module Efficiency

The Renogy 200W 24V Mono N-Type Solar Panel achieves 25% module efficiency compared to LONGi Hi-MO 6 580W's 22.3%, meaning Renogy 200W 24V Mono N-Type Solar Panel converts 2.7 percentage points more sunlight into electricity per square meter. In practical terms, the LONGi Hi-MO 6 580W produces 224.5 watts per square meter of panel area while the Renogy 200W 24V Mono N-Type Solar Panel produces 259.9 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 LONGi Hi-MO 6 580W delivers 580W per panel versus 200W for the Renogy 200W 24V Mono N-Type Solar Panel, a 380W difference per module. To build an 8 kW residential system, you would need 14 LONGi Hi-MO 6 580W panels or 40 Renogy 200W 24V Mono N-Type Solar Panel panels. Choosing the higher-wattage option saves 26 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 Renogy 200W 24V Mono N-Type Solar Panel has a temperature coefficient of -0.3%/°C versus -0.34%/°C for the LONGi Hi-MO 6 580W. On a hot summer day when cell temperature reaches 65°C (40°C above the 25°C STC baseline), the Renogy 200W 24V Mono N-Type Solar Panel retains 94.0% of its rated power while the other retains 93.2%. 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 LONGi Hi-MO 6 580W is backed by a 12-year product warranty and 25-year performance guarantee, while the Renogy 200W 24V Mono N-Type Solar Panel offers 5-year product and 25-year performance coverage. The LONGi Hi-MO 6 580W provides 7 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 LONGi Hi-MO 6 580W; 1% first year then 0.4%/year for Renogy 200W 24V Mono N-Type Solar Panel), after 25 years the LONGi Hi-MO 6 580W should retain approximately 86.5% of original output versus 89.4% for the Renogy 200W 24V Mono N-Type Solar Panel. This 2.9 percentage point gap in end-of-life output meaningfully impacts lifetime energy economics.

Physical Dimensions & Weight

The LONGi Hi-MO 6 580W measures 2278×1134×35mm and weighs 28.4 kg, while the Renogy 200W 24V Mono N-Type Solar Panel measures 1130×681×35mm at 10 kg. 2.58 m² of panel area for the LONGi Hi-MO 6 580W versus 0.77 m² for the Renogy 200W 24V Mono N-Type Solar Panel. The Renogy 200W 24V Mono N-Type Solar Panel is 18.4 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 368 kg. The more compact Renogy 200W 24V Mono N-Type Solar Panel may be easier to fit on irregularly shaped or space-limited rooftops.

Specification Comparison

Specification LONGi Hi-MO 6 580W Renogy 200W 24V Mono N-Type Solar Panel
Power 580W 200W
Efficiency 22.3% 25%
Power Density 20.9 W/sq ft 24.1 W/sq ft
Cell Type PERC Mono Half-cut N-Type Monocrystalline
Bifacial No No
Weight 28.4 kg 10 kg
Temp Coefficient -0.34%/°C -0.3%/°C
Snow Load 5400 Pa 5400 Pa
Wind Load 2400 Pa 2400 Pa
Product Warranty 12 years 5 years
Performance Warranty 25 years 25 years
Degradation (Year 1) 1.5% 1%
Annual Degradation 0.5% 0.4%
Country China China

5-Dimension Head-to-Head Analysis

1. Efficiency & Power Density

Winner: Renogy 200W 24V Mono N-Type Solar Panel

The Renogy 200W 24V Mono N-Type Solar Panel achieves 25% efficiency versus 22.3% — a 2.7 percentage point advantage. On a typical 30-panel residential roof, this translates to approximately 11.4 kW more total system capacity, or 52 kWh more annual production in an average US location.

2. Hot Climate Performance

Winner: Renogy 200W 24V Mono N-Type Solar Panel

The Renogy 200W 24V Mono N-Type Solar Panel has a better temperature coefficient of -0.3%/°C versus -0.34%/°C. On a 45°C summer day (20°C above STC), the winner retains 94.0% of rated power versus 93.2%. The difference is modest but accumulates over 25 years of summer production.

3. Durability & Warranty

Winner: LONGi Hi-MO 6 580W

LONGi Hi-MO 6 580W leads with a 12-year product warranty versus 5 years. Renogy 200W 24V Mono N-Type Solar Panel degrades more slowly at 0.4% per year versus 0.5%. After 25 years, expect 86.5% vs 89.4% of original output for LONGi Hi-MO 6 580W and Renogy 200W 24V Mono N-Type Solar Panel respectively.

4. Power Output

Winner: LONGi Hi-MO 6 580W

The LONGi Hi-MO 6 580W delivers 580W versus 200W per panel — 380W more. For an 8 kW system, you need 14 panels with the higher-wattage option versus 40 panels, saving 26 panels and the associated racking and labor costs.

5. Cell Technology

Winner: Renogy 200W 24V Mono N-Type Solar Panel

The LONGi Hi-MO 6 580W uses PERC Mono Half-cut: PERC (Passivated Emitter Rear Cell) is the current mainstream technology, offering good efficiency at the lowest manufacturing cost. The Renogy 200W 24V Mono N-Type Solar Panel uses N-Type Monocrystalline: N-Type Monocrystalline. N-Type Monocrystalline represents a newer generation technology with a longer performance runway as manufacturing matures.

LONGi Hi-MO 6 580W

LONGi Hi-MO 6 is a high-performance PERC mono half-cut panel delivering 580W with 22.3% efficiency, ideal for residential and commercial rooftops.

Pros

  • + High 22.3% efficiency
  • + Proven PERC technology
  • + Strong bifacial gain potential
  • + Competitive pricing

Cons

  • - Large physical size
  • - Requires compatible racking
  • - Limited US availability
View full LONGi Hi-MO 6 580W specs →

Renogy 200W 24V Mono N-Type Solar Panel

The Renogy 200W 24V Mono N-Type Solar Panel brings premium N-Type cell technology to the off-grid market, delivering an impressive 25% efficiency and 200W output in a mid-size format ideal for RVs and off-grid systems.

Pros

  • + Exceptional 25% efficiency — best in class for off-grid
  • + N-Type cells for lower degradation
  • + 24V system compatible for larger arrays
  • + Good temperature coefficient at -0.30%/°C
  • + Moderate weight at 10 kg

Cons

  • - Higher price than standard mono panels
  • - 5-year material warranty
  • - Not bifacial despite N-Type cells
  • - 24V may require charge controller upgrade from 12V systems
View full Renogy 200W 24V Mono N-Type Solar Panel specs →

Choose LONGi Hi-MO 6 580W 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
  • Homeowners wanting high-output PERC performance at a competitive price.

Choose Renogy 200W 24V Mono N-Type Solar Panel 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
  • Off-grid and RV users upgrading to N-Type technology for maximum efficiency in a compact footprint.

Our Recommendation

Recommended LONGi Hi-MO 6 580W

The LONGi Hi-MO 6 580W is the decisive winner in this solar panel comparison, outperforming the Renogy 200W 24V Mono N-Type Solar Panel in 2 of 5 dimensions. Unless you have a specific requirement that the Renogy 200W 24V Mono N-Type Solar Panel uniquely addresses, the LONGi Hi-MO 6 580W is the stronger choice for virtually every installation scenario.

Frequently Asked Questions

Which is better, LONGi Hi-MO 6 580W or Renogy 200W 24V Mono N-Type Solar Panel?

The LONGi Hi-MO 6 580W wins this comparison by a decisive margin. It delivers more power (580W vs 200W). For most residential installations, the LONGi Hi-MO 6 580W is the stronger choice.

Which panel is more efficient, LONGi Hi-MO 6 580W or Renogy 200W 24V Mono N-Type Solar Panel?

The Renogy 200W 24V Mono N-Type Solar Panel at 25% module efficiency. Higher efficiency means more watts per square foot of roof space, which is critical for space-constrained installations. The difference of 2.7 percentage points translates to approximately 380W per panel under standard test conditions.

Which has a better warranty, LONGi Hi-MO 6 580W or Renogy 200W 24V Mono N-Type Solar Panel?

The LONGi Hi-MO 6 580W comes with a 12-year product warranty and 25-year performance guarantee. The Renogy 200W 24V Mono N-Type Solar Panel offers 5-year product and 25-year performance warranties. LONGi Hi-MO 6 580W provides 7 additional years of product coverage.

Which panel performs better in hot weather?

The LONGi Hi-MO 6 580W has a temperature coefficient of -0.34%/°C and the Renogy 200W 24V Mono N-Type Solar Panel is -0.3%/°C. Renogy 200W 24V Mono N-Type Solar Panel retains more power in heat — important in states like Arizona, Texas, and Florida. A lower (less negative) temperature coefficient is better.

How many LONGi Hi-MO 6 580W vs Renogy 200W 24V Mono N-Type Solar Panel panels do I need for an 8 kW system?

For an 8 kW system: you need 14 LONGi Hi-MO 6 580W panels (580W each) or 40 Renogy 200W 24V Mono N-Type Solar Panel panels (200W each). The LONGi Hi-MO 6 580W requires fewer panels, saving on racking hardware and installation labor.

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Last updated: February 2026