Output Power: ≥3W or ≥5WPhotovoltaic Cells: ETFEOpen Voltage Circuit: 6.8VStandard Working Voltage: 5.0V or 5.7VStandard Working Current: 0.57A or 0.65AShort Circuit Current: 0.62A or 0.68ACell Conversion Efficiency: ≥22%Waterproof: IP65Power Cable: 2M Type-CSize: 209*193*16mm..