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Cell	Mono/poly-crystalline silicon solar cells 125mm×125mm
No. of cells and connections	36 (4×9)
Dimension of module	1195x545×35(mm)
Weight	8.5kg

Characteristics

Model	OP-85W	OP-80W	OP-75W
Open circuit voltage (Voc)	21．9V	21．6 V	21.6V
Optimum operating voltage (Vmp)	17.6V	17．2V	17．2 V
Short circuit current (Isc)	5．31A	5．11A	4．79A
Optimum operating current (Imp)	4．83 A	4．65 A	4．36A
Maximum power at STC (Pm)	60 Wp	55 Wp	50Wp

STC : 1000W/㎡, 25℃, AM1.5
Limits

Operating temperature	-40 to +85℃
Maximum system voltage	1000V DC

Temperature and Coefficients

NOCT	48℃±2℃
Current temperature coefficient	﹪/K	0.06±0.01
Voltage temperature coefficient	mV/K	-(155±10)
Power temperature coefficient	﹪/K	- (0.5±0.05)