BIRUGEAR High-Efficiency 15 Watt 18 Volt Amorphous crystal solar panel Get 15 watts of free energy from the sun when you set-up this 16 Volt Solar Panel. 15 watt solar panel gives you plenty of clean, quiet energy, no fuel required Ideal for additional power and energy savings Includes alligator clips,bare wire end a 3 1/2 ft (40 inches) Cable. Overall dimensions: 29.2"x12."x0.8"