Model:030-02 Nominal peak power(WP) 30W Nominal voltage(Vmp):17.2V Nominal current(lmp):1.74A Open circuit voltage(Voc):21.6V Short circuit current(lsc):1.93A Maximum system voltage 715VDC Module size:625*535*35mm Cell per module:156*156mm cells Payment: 30%deposit,before shipment the balance for 70% should received .