This study aims to determine the quality of solar cell on the value of the fill factor (ff) and efficiency (h). The voltage data Vi and Ii are taken automatically using logger pro software and using exponential equation analysis. The data was taken from polycrystalline solar cell type (99×69) mm2 which was presented in front of the light source of Philips lamp bulb 100W/220V as far as 18 cm at Ir of 983, 344 W/m2. The largest Pmax value is at a slope angle of 30o of 0,0231 watts. ff is 67%, efficiency is 22%. At the 30o angle the direction of the light comes perpendicular to the plane of the solar cell. While the lowest ff is 70o, which is 0,5362 and efficiency is 13%.