Shoreline Marine SL50017 Solar Powered Dock 6 LED Light Aluminum solar stud light. 6 LED Lights. Solar Panel at 2.5v 100ma. Comes with 1 x AA NiMH battery 750mah with a battery life of 3 years. Approximately 8 hours of light produced when fully charged. To fully charge unit, charge 8 10 hours in the sunlight.