JA Solar DeepBlue 4.0 Pro 460W vs Hyundai HiE-S485VG
The Hyundai HiE-S485VG wins this comparison by a decisive margin. It delivers more power (485W vs 460W). For most residential installations, the Hyundai HiE-S485VG is the stronger choice.
Key Differences
- • JA Solar DeepBlue 4.0 Pro 460W is rated at 460W while Hyundai HiE-S485VG is rated at 485W, a 25W difference.
- • JA Solar DeepBlue 4.0 Pro 460W achieves 22.4% efficiency vs 22% for the other, a 0.4 percentage point gap.
- • Hyundai HiE-S485VG comes with a 25-year product warranty vs 15 years for the other.
- • JA Solar DeepBlue 4.0 Pro 460W has a superior temperature coefficient of -0.29%/°C vs -0.3%/°C, retaining more power in hot climates.
Specifications Breakdown
Module Efficiency
The JA Solar DeepBlue 4.0 Pro 460W achieves 22.4% module efficiency compared to Hyundai HiE-S485VG's 22%, meaning JA Solar DeepBlue 4.0 Pro 460W converts 0.4 percentage points more sunlight into electricity per square meter. In practical terms, the JA Solar DeepBlue 4.0 Pro 460W produces 230.2 watts per square meter of panel area while the Hyundai HiE-S485VG produces 222.9 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 Hyundai HiE-S485VG delivers 485W per panel versus 460W for the JA Solar DeepBlue 4.0 Pro 460W, a 25W difference per module. To build an 8 kW residential system, you would need 18 JA Solar DeepBlue 4.0 Pro 460W panels or 17 Hyundai HiE-S485VG panels. Choosing the higher-wattage option saves 1 panel, 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 JA Solar DeepBlue 4.0 Pro 460W has a temperature coefficient of -0.29%/°C versus -0.3%/°C for the Hyundai HiE-S485VG. On a hot summer day when cell temperature reaches 65°C (40°C above the 25°C STC baseline), the JA Solar DeepBlue 4.0 Pro 460W retains 94.2% of its rated power while the other retains 94.0%. 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 JA Solar DeepBlue 4.0 Pro 460W is backed by a 15-year product warranty and 30-year performance guarantee, while the Hyundai HiE-S485VG offers 25-year product and 25-year performance coverage. The Hyundai HiE-S485VG provides 10 additional years of defect protection, covering manufacturing issues, material failures, and premature performance loss. Based on their published degradation rates (1% first year then 0.4%/year for JA Solar DeepBlue 4.0 Pro 460W; 1% first year then 0.4%/year for Hyundai HiE-S485VG), after 25 years the JA Solar DeepBlue 4.0 Pro 460W should retain approximately 89.4% of original output versus 89.4% for the Hyundai HiE-S485VG. The end-of-life output levels are closely matched.
Physical Dimensions & Weight
The JA Solar DeepBlue 4.0 Pro 460W measures 1762×1134×30mm and weighs 23 kg, while the Hyundai HiE-S485VG measures 2094×1039×35mm at 24.5 kg. 2.00 m² of panel area for the JA Solar DeepBlue 4.0 Pro 460W versus 2.18 m² for the Hyundai HiE-S485VG. Their weights are closely matched, so neither panel imposes a significantly different structural load on the mounting system. The more compact JA Solar DeepBlue 4.0 Pro 460W may be easier to fit on irregularly shaped or space-limited rooftops.
Specification Comparison
| Specification | JA Solar DeepBlue 4.0 Pro 460W | Hyundai HiE-S485VG |
|---|---|---|
| Power | 460W | 485W |
| Efficiency | 22.4% | 22% |
| Power Density | 21.4 W/sq ft | 20.7 W/sq ft |
| Cell Type | TOPCon N-type | TOPCon N-type |
| Bifacial | Yes | No |
| Weight | 23 kg | 24.5 kg |
| Temp Coefficient | -0.29%/°C | -0.3%/°C |
| Snow Load | 5400 Pa | 5400 Pa |
| Wind Load | 2400 Pa | 2400 Pa |
| Product Warranty | 15 years | 25 years |
| Performance Warranty | 30 years | 25 years |
| Degradation (Year 1) | 1% | 1% |
| Annual Degradation | 0.4% | 0.4% |
| Country | China | South Korea |
5-Dimension Head-to-Head Analysis
1. Efficiency & Power Density
Winner: JA Solar DeepBlue 4.0 Pro 460WThe JA Solar DeepBlue 4.0 Pro 460W achieves 22.4% efficiency versus 22% — a 0.4 percentage point advantage. On a typical 30-panel residential roof, this translates to approximately 0.8 kW more total system capacity, or 4 kWh more annual production in an average US location.
2. Hot Climate Performance
Winner: JA Solar DeepBlue 4.0 Pro 460WThe JA Solar DeepBlue 4.0 Pro 460W has a better temperature coefficient of -0.29%/°C versus -0.3%/°C. On a 45°C summer day (20°C above STC), the winner retains 94.2% of rated power versus 94.0%. The difference is modest but accumulates over 25 years of summer production.
3. Durability & Warranty
Winner: Hyundai HiE-S485VGHyundai HiE-S485VG leads with a 25-year product warranty versus 15 years. After 25 years, expect 89.4% vs 89.4% of original output for JA Solar DeepBlue 4.0 Pro 460W and Hyundai HiE-S485VG respectively.
4. Power Output
Winner: Hyundai HiE-S485VGThe Hyundai HiE-S485VG delivers 485W versus 460W per panel — 25W more. For an 8 kW system, you need 17 panels with the higher-wattage option versus 18 panels, saving 1 panels and the associated racking and labor costs.
5. Cell Technology
Winner: TieBoth panels use TOPCon N-type cell technology. No technology advantage for either product.
JA Solar DeepBlue 4.0 Pro 460W
JA Solar's DeepBlue 4.0 Pro uses N-type TOPCon technology to deliver 460W with excellent 22.4% efficiency for residential installations.
Pros
- + Strong 22.4% efficiency
- + Good size-to-power ratio
- + Reliable JA Solar quality
- + 30-year warranty
Cons
- - Less common in US market
- - Limited installer network
- - Mid-range pricing
Hyundai HiE-S485VG
The Hyundai HiE-S485VG is a 485W TOPCon N-type panel manufactured in South Korea by Hyundai Energy Solutions, a division of the Hyundai conglomerate. The N-type TOPCon cell technology delivers 22.0% module efficiency with a -0.30%/°C temperature coefficient — significantly better than PERC alternatives in hot climates. Hyundai's Korean manufacturing offers non-Chinese supply chain diversification for buyers concerned about tariffs or UFLPA compliance. The 25+25 year warranty is backed by the Hyundai corporate group's financial stability.
Pros
- + South Korean manufacturing — non-Chinese supply chain diversification
- + TOPCon N-type with 22.0% efficiency and -0.30%/°C temp coefficient
- + Backed by Hyundai conglomerate's financial strength for warranty assurance
- + 25-year product and performance warranties
- + Lower degradation than PERC — 1.0% first year, 0.4% annual
- + Competitively priced for a non-Chinese Tier-1 panel
Cons
- - Lower brand recognition in US solar market than LONGi or JinkoSolar
- - 132-cell format slightly larger than standard 108/120-cell residential panels
- - US dealer network smaller than mainstream brands
- - 485W is mid-range — competitors offer 500W+ in similar sizes
Choose JA Solar DeepBlue 4.0 Pro 460W 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 prefer newer cell technology with a longer performance improvement runway
- ✓ Homeowners wanting efficient N-type technology from a Tier 1 manufacturer.
Choose Hyundai HiE-S485VG 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 25+ years
- ✓ You prefer newer cell technology with a longer performance improvement runway
- ✓ Homeowners and commercial buyers seeking Tier-1 Korean-manufactured TOPCon panels with strong corporate warranty backing and non-Chinese supply chain.
Our Recommendation
The Hyundai HiE-S485VG is the decisive winner in this solar panel comparison, outperforming the JA Solar DeepBlue 4.0 Pro 460W in 2 of 5 dimensions. Unless you have a specific requirement that the JA Solar DeepBlue 4.0 Pro 460W uniquely addresses, the Hyundai HiE-S485VG is the stronger choice for virtually every installation scenario.
Frequently Asked Questions
Which is better, JA Solar DeepBlue 4.0 Pro 460W or Hyundai HiE-S485VG?
The Hyundai HiE-S485VG wins this comparison by a decisive margin. It delivers more power (485W vs 460W). For most residential installations, the Hyundai HiE-S485VG is the stronger choice.
Which panel is more efficient, JA Solar DeepBlue 4.0 Pro 460W or Hyundai HiE-S485VG?
The JA Solar DeepBlue 4.0 Pro 460W at 22.4% 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 25W per panel under standard test conditions.
Which has a better warranty, JA Solar DeepBlue 4.0 Pro 460W or Hyundai HiE-S485VG?
The JA Solar DeepBlue 4.0 Pro 460W comes with a 15-year product warranty and 30-year performance guarantee. The Hyundai HiE-S485VG offers 25-year product and 25-year performance warranties. Hyundai HiE-S485VG provides 10 additional years of product coverage.
Which panel performs better in hot weather?
The JA Solar DeepBlue 4.0 Pro 460W has a temperature coefficient of -0.29%/°C and the Hyundai HiE-S485VG is -0.3%/°C. JA Solar DeepBlue 4.0 Pro 460W retains more power in heat — important in states like Arizona, Texas, and Florida. A lower (less negative) temperature coefficient is better.
How many JA Solar DeepBlue 4.0 Pro 460W vs Hyundai HiE-S485VG panels do I need for an 8 kW system?
For an 8 kW system: you need 18 JA Solar DeepBlue 4.0 Pro 460W panels (460W each) or 17 Hyundai HiE-S485VG panels (485W each). The Hyundai HiE-S485VG requires fewer panels, saving on racking hardware and installation labor.
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Last updated: February 2026