SolarWish

JA Solar M78S10-440MR (440W)

JA Solar · Residential · 440W

Panel image unavailable

Score Breakdown

Scores use the selected SolarWish shopping profile.

Power Output 97
Efficiency & Real-World Performance 87
Temperature & Climate Resilience 70
Certifications 51
Warranty & Durability 45
Build & Install 41
73
SCORE /100

30 specs

DC Electrical Characteristics

STC Power Rating440W
PTC Power Rating410.41W
STC Power per unit of area18.8W/ft (202.6W/m)
Peak Efficiency0.2026
Power Tolerances0%/+5%
Number of Cells156
Imp9.81A
Vmp44.87V
Isc10.44A
Voc53V
NOCT45°C
Temp. Coefficient of Power-0.35%/K
Temp. Coefficient of Voltage-0.144V/K
Series Fuse Rating20A
Maximum System Voltage1000V

Mechanical Characteristics

TypeMono
Output Terminal TypeMulticontact Connector Type 4
Frame ColorClear
Backsheet ColorWhite
Length85.8in (2,180mm)
Width39.2in (996mm)
Depth1.6in (40mm)
Weight54.2lb (24.6kg)
Installation MethodRack-Mounted

Warranty and Certifications

80% Power Output Warranty Period25yrs
90% Power Output Warranty Period10yrs
Workmanship Warranty Period12yrs
UL Fire Classificationdata not available
CompliancesIEC 61215, IEC 61730
CSI ListedNo