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JA Solar DeepBlue 4.0 Pro JAM54D40-445/LB/1500V (54 half-cut-cell, N-type bifacial double-glass)
JA Solar
JA Solar DeepBlue 4.0 Pro JAM54D40-445/LB/1500V (54 half-cut-cell, N-type bifacial double-glass)
Residential · 445W · Monocrystalline (N-type, Mono-16BB half-cut cells)
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85
SCORE /100
22 specs · ✓ 22 verified
Score this as…
⭐ General / Balanced
📐 Max Efficiency (Tight Roof)
🛡️ Durability & Warranty
🌡️ Hot-Climate Buyer
⚡ High-Output / Commercial-Scale
🪶 Easy-Install / Older Roof
Score Breakdown
Efficiency & Real-World Performance
97
Power Output
97
Temperature & Climate Resilience
81
Build & Install
74
Certifications
65
Warranty & Durability
59
DC Electrical Characteristics
STC Power Rating
445W
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source
STC Power per unit of area
222.7 W/m² (calculated: 445W / (1.762m x 1.134m))
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Peak Efficiency
0.223
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Power Tolerances
0W/+5W
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Number of Cells
108 half-cut cells (equivalent to 54 full cells), 6x18 layout
✓
source
Imp
13.63A
✓
source
Vmp
32.65V
✓
source
Isc
14.40A
✓
source
Voc
39.10V
✓
source
NOCT
45°C (±2°C)
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source
Temp. Coefficient of Power
-0.300%/°C
✓
source
Temp. Coefficient of Voltage
-0.260%/°C
✓
source
Series Fuse Rating
30A
✓
source
Maximum System Voltage
1500V DC
✓
source
Mechanical Characteristics
Type
Monocrystalline (N-type, Mono-16BB half-cut cells)
✓
source
Output Terminal Type
MC4-compatible: Stäubli MC4-EVO2A/MC4-EVO2 or QC Solar QC4.10-351/QC4.10-35
✓
source
Length
1762mm (±2mm)
✓
source
Width
1134mm (±2mm)
✓
source
Depth
30mm (±1mm)
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source
Weight
26.0kg
✓
source
Warranty and Certifications
Workmanship Warranty Period
12 years (product warranty)
✓
source
Compliances
IEC 61215, IEC 61730; ISO 9001:2015, ISO 14001:2015, ISO 45001:2018
✓
source
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