ALEKO SPU30W12V 30 Watt 12 Volt Monocrystalline Solar Panel for Gate Opener Pool Garden Driveway 30 watt monocrystalline solar panel with a nominal output voltage of 12 volts Operating voltage: 17.5 volts; Open circuit voltage: 22 volts Operating current: 1.71 amps; Diode bypass: 1*10 amps Total weight 9 pounds Product dimensions: 18 x 13 x 1 inches