Solar Panel Power 200 Watts Rated Current 18.24V / Rated Voltage 12.06A Voc (Open Circuit Voltage) - 21.8V / Isc (Short Circuit Current) 12.66A Solar cells Mono silicon solar cell, efficiency 23% Lamination - Protective ETFE lamination Product (Folded) Dims 31 x 19.5 x 0.8 in (787 x 495 x 20.3 mm) Product (Unfolded) Dims 31 x 72 x 0.2 in (787 x 1828.8 x 5 mm)