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JA Solar

JA Solar DeepBlue 4.0 Pro JAM54D40-420/MB (108 half-cell / "54-cell", n-type Bycium+ TOPCon, double glass bifacial, black frame)

Residential · 420W · Monocrystalline (N-type TOPCon, Bycium+)
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85
SCORE /100
24 specs · ✓ 24 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 92
Temperature & Climate Resilience 83
Build & Install 77
Certifications 72
Warranty & Durability 59

DC Electrical Characteristics

STC Power Rating
420W✓ source
STC Power per unit of area
215.1W/m²✓ source
Peak Efficiency
0.215✓ source
Power Tolerances
0%/+3%✓ source
Number of Cells
108 (6x18 half-cut, 54-cell design)✓ source
Imp
12.97A✓ source
Vmp
32.38V✓ source
Isc
13.65A✓ source
Voc
38.28V✓ source
NOCT
45°C✓ source
Temp. Coefficient of Power
-0.290%/°C✓ source
Temp. Coefficient of Voltage
-0.250%/°C✓ source
Series Fuse Rating
30A✓ source
Maximum System Voltage
1500V✓ source

Mechanical Characteristics

Type
Monocrystalline (N-type TOPCon, Bycium+)✓ source
Output Terminal Type
QC 4.10-351 / MC4-EVO2A✓ source
Frame Color
Black✓ source
Length
1722mm✓ source
Width
1134mm✓ source
Depth
30mm✓ source
Weight
21.5kg✓ source

Warranty and Certifications

Workmanship Warranty Period
12 years✓ source
UL Fire Classification
UL Type 38 / Class C✓ source
Compliances
IEC 61215, IEC 61730, UL 61215, UL 61730, IEC 62941:2019, ISO 9001:2015, ISO 14001:2015, ISO 45001:2018✓ source