The SunSaver is Morningstar's leading small solar controller for professional and consumer applications. It provides exceptional reliability, PWM battery charging, and consistent high quality. The SunSaver has an advanced design that delivers outstanding performance and value due to Morningstar's automated production, quality programs, and use of latest power electronic and control technologies. It comes in 12 and 24 volt versions with ratings from 6 to 20 amps and features 100% solid state design, accurate PWM duty cycle charging, temperature compensation, and overload protection. It carries a five year warranty.