Open Circuit Voltage 7.2V±5%

Short Circuit Current 740mA±5%, Power Voltage 6.0V ±5%, Max Power Current 700mA ±5%, Max. Power 4.2W, Solar Cell Efficiency 21.6%, Operation Temperature -20℃ ~60℃(-4℉~140℉)Humidity 90% or less (non-condensing), IP65, Product Dimensions 222.61mm*155.9mm*14.9mm (8.76 inch*6.14 inch* 0.59 inch), Packaging Dimensions 230x161x78mm (9.06 inch* 6.34 inch* 3.07 inch), With package: 611 g (21.5 oz) Panel body without bracket: 334 g (11.78 oz) .