540-560W Sliver Frame/Black Frame/All Black Half Cut Monocrystalline Panel Module No. JC(540-560)-144M Cells Type 182x91mm No. of Cells 144 (6x24)  Panel Efficiency: 21.90% Panel Dimenstion (LxWxT) 2279x1134x30mm  Weight 29kg Packing 31pcs/pallet,620pcs/40HQ