we GY-solar can provide different type of solar panel from 5w to 280w. Key specificaiton: 80W: Power: 80W Output: 80W Optimum operation voltage Vmp: 17.3V Optimum operation current Imp: 4.63A Open-circuit voltage Voc: 21.8V Short-circuit current Isc(A): 5.19A Type of the cells:125Mono Number of the cells:36 Dimensions:570*1200*35