The high-efficiency polycrystalline solar cell, has a efficiency of 17.8-18.1%, which is 0.2-0.4% higher than the ordinary. Dimensions: 156x156mm; Short-circuit current(ISC): 8.75A; Open circuit voltage: 0.6335V; Fill factor: 79.02; Leakage current: 0.10A; Series Resistance(Ω):0.0023; Parallel Resistance(Ω):200; Efficiency: 18.0%.