JA Solar JAM54S31 415W vs JinkoSolar Tiger Pro 60HC 400W
The JA Solar JAM54S31 415W wins this comparison by a narrow margin. It leads in efficiency (21.5% vs 20.8%) and matches or exceeds on warranty (12 vs 12 years). For most residential installations, the JA Solar JAM54S31 415W is the stronger choice.
Key Differences
- • JA Solar JAM54S31 415W is rated at 415W while JinkoSolar Tiger Pro 60HC 400W is rated at 400W, a 15W difference.
- • JA Solar JAM54S31 415W achieves 21.5% efficiency vs 20.8% for the other, a 0.7 percentage point gap.
- • Both carry matching 12-year product warranties.
- • JA Solar JAM54S31 415W has a superior temperature coefficient of -0.34%/°C vs -0.35%/°C, retaining more power in hot climates.
Specifications Breakdown
Module Efficiency
The JA Solar JAM54S31 415W achieves 21.5% module efficiency compared to JinkoSolar Tiger Pro 60HC 400W's 20.8%, meaning JA Solar JAM54S31 415W converts 0.7 percentage points more sunlight into electricity per square meter. In practical terms, the JA Solar JAM54S31 415W produces 212.5 watts per square meter of panel area while the JinkoSolar Tiger Pro 60HC 400W produces 200.2 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 JA Solar JAM54S31 415W delivers 415W per panel versus 400W for the JinkoSolar Tiger Pro 60HC 400W, a 15W difference per module. To build an 8 kW residential system, you would need 20 JA Solar JAM54S31 415W panels or 20 JinkoSolar Tiger Pro 60HC 400W 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 JA Solar JAM54S31 415W has a temperature coefficient of -0.34%/°C versus -0.35%/°C for the JinkoSolar Tiger Pro 60HC 400W. On a hot summer day when cell temperature reaches 65°C (40°C above the 25°C STC baseline), the JA Solar JAM54S31 415W retains 93.2% of its rated power while the other retains 93.0%. 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 JAM54S31 415W is backed by a 12-year product warranty and 25-year performance guarantee, while the JinkoSolar Tiger Pro 60HC 400W offers 12-year product and 25-year performance coverage. Both offer identical product warranty duration. Based on their published degradation rates (1.5% first year then 0.5%/year for JA Solar JAM54S31 415W; 1.5% first year then 0.5%/year for JinkoSolar Tiger Pro 60HC 400W), after 25 years the JA Solar JAM54S31 415W should retain approximately 86.5% of original output versus 86.5% for the JinkoSolar Tiger Pro 60HC 400W. The end-of-life output levels are closely matched.
Physical Dimensions & Weight
The JA Solar JAM54S31 415W measures 1722×1134×30mm and weighs 21.5 kg, while the JinkoSolar Tiger Pro 60HC 400W measures 1762×1134×30mm at 22 kg. 1.95 m² of panel area for the JA Solar JAM54S31 415W versus 2.00 m² for the JinkoSolar Tiger Pro 60HC 400W. 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 | JA Solar JAM54S31 415W | JinkoSolar Tiger Pro 60HC 400W |
|---|---|---|
| Power | 415W | 400W |
| Efficiency | 21.5% | 20.8% |
| Power Density | 19.7 W/sq ft | 18.6 W/sq ft |
| Cell Type | PERC Mono | PERC Mono |
| Bifacial | No | No |
| Weight | 21.5 kg | 22 kg |
| Temp Coefficient | -0.34%/°C | -0.35%/°C |
| Snow Load | 5400 Pa | 5400 Pa |
| Wind Load | 2400 Pa | 2400 Pa |
| Product Warranty | 12 years | 12 years |
| Performance Warranty | 25 years | 25 years |
| Degradation (Year 1) | 1.5% | 1.5% |
| Annual Degradation | 0.5% | 0.5% |
| Country | China | China |
5-Dimension Head-to-Head Analysis
1. Efficiency & Power Density
Winner: JA Solar JAM54S31 415WThe JA Solar JAM54S31 415W achieves 21.5% efficiency versus 20.8% — a 0.7 percentage point advantage. On a typical 30-panel residential roof, this translates to approximately 0.5 kW more total system capacity, or 3 kWh more annual production in an average US location.
2. Hot Climate Performance
Winner: JA Solar JAM54S31 415WThe JA Solar JAM54S31 415W has a better temperature coefficient of -0.34%/°C versus -0.35%/°C. On a 45°C summer day (20°C above STC), the winner retains 93.2% of rated power versus 93.0%. The difference is modest but accumulates over 25 years of summer production.
3. Durability & Warranty
Winner: TieBoth panels offer identical 12-year product warranties and 0.5% annual degradation. Neither has a durability advantage.
4. Power Output
Winner: JA Solar JAM54S31 415WThe JA Solar JAM54S31 415W delivers 415W versus 400W per panel — 15W 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: TieBoth panels use PERC Mono cell technology. No technology advantage for either product.
JA Solar JAM54S31 415W
The JAM54S31 is a compact residential PERC panel delivering 415W with a solid balance of performance and affordability.
Pros
- + Compact residential form factor
- + Good price-performance ratio
- + Widely available
- + Proven reliability
Cons
- - Lower efficiency vs N-type
- - Higher degradation rate
- - Standard warranty
JinkoSolar Tiger Pro 60HC 400W
The Tiger Pro 60HC delivers 400W using PERC technology in a half-cut cell design for improved shade tolerance and reliability.
Pros
- + Proven PERC technology
- + Half-cut cell design
- + Good shade tolerance
- + Affordable
Cons
- - Older technology
- - Lower efficiency
- - Standard warranty
Choose JA Solar JAM54S31 415W 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
- ✓ You live in a hot climate (Arizona, Texas, Florida) where heat performance matters
- ✓ Budget residential installations seeking reliable PERC performance.
Choose JinkoSolar Tiger Pro 60HC 400W If...
- ✓ Budget installations wanting proven JinkoSolar reliability at a lower price.
Our Recommendation
Both the JA Solar JAM54S31 415W and JinkoSolar Tiger Pro 60HC 400W are excellent solar panel options, and the margin between them is narrow. The JA Solar JAM54S31 415W 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, JA Solar JAM54S31 415W or JinkoSolar Tiger Pro 60HC 400W?
The JA Solar JAM54S31 415W wins this comparison by a narrow margin. It leads in efficiency (21.5% vs 20.8%) and matches or exceeds on warranty (12 vs 12 years). For most residential installations, the JA Solar JAM54S31 415W is the stronger choice.
Which panel is more efficient, JA Solar JAM54S31 415W or JinkoSolar Tiger Pro 60HC 400W?
The JA Solar JAM54S31 415W at 21.5% module efficiency. Higher efficiency means more watts per square foot of roof space, which is critical for space-constrained installations. The difference of 0.7 percentage points translates to approximately 15W per panel under standard test conditions.
Which has a better warranty, JA Solar JAM54S31 415W or JinkoSolar Tiger Pro 60HC 400W?
The JA Solar JAM54S31 415W comes with a 12-year product warranty and 25-year performance guarantee. The JinkoSolar Tiger Pro 60HC 400W offers 12-year product and 25-year performance warranties. Both offer identical warranty terms.
Which panel performs better in hot weather?
The JA Solar JAM54S31 415W has a temperature coefficient of -0.34%/°C and the JinkoSolar Tiger Pro 60HC 400W is -0.35%/°C. JA Solar JAM54S31 415W 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 JAM54S31 415W vs JinkoSolar Tiger Pro 60HC 400W panels do I need for an 8 kW system?
For an 8 kW system: you need 20 JA Solar JAM54S31 415W panels (415W each) or 20 JinkoSolar Tiger Pro 60HC 400W panels (400W each). The JA Solar JAM54S31 415W requires fewer panels, saving on racking hardware and installation labor.
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Last updated: February 2026