20A sunlight solar powered lighing controler/charger. Charge your batteries from up to 10A of solar power input and draw up to 10A of DC output at 12VDC. Pre-progammed lighing options, run your system with up to 10 programmed lighing system durations. System will turn your lights on and off at pre-programmed intervals and the system senses dawn and dusk using a microprocessor and panel input. During the daytime lights are off and the system charges. Low voltage disconnect if prolongued cloudy weather (so you won't kill your battery). Programmed night lighting intervals: 2-10 hours, 4 + 2, 6 + 2 or dusk to dawn. 12VDC model. Also available in 24VDC (specify 24VDC in order comments section).