80W/ 18V Polycrystalline Solar Panel Product Feature 1.High efficiency, outstanding workmanship. 2. Usig high transmittance pv glass, strong aluminium frame which can bear heavy snow and wind. 3. Module can made according to the requirements of client. 4. Easy install, free maintain. Product Specification/ Models Maximum power( Pmax) : 80W Open circuit voltage ( Voc) : 21.92V Short-circuit current ( Isc) : 4.88A Maximum voltage ( Vmp) : 17.51V Maximum current( Imp) : 4.57A Power output tolerance: + / - 3% Solar Cell: 156 Poly Number of Cell ( PCS) : 4* 9 ( 36) Size of Module ( mm) : 915* 669* 35mm Weight Per piece ( KG) : 7.50Kg