SunSaver 10L-12V Charge Controller The MorningStar SunGuard is a fully epoxy encapsulated outdoor rated 4.5A "ice cube" sized 12V PWM charge controller. It has built-in temperature compensation, lightning protection and easy 4-wire hookup. The SunGuard's regulation voltage is set at 14.1 (best for sealed or gel batteries) and is not adjustable for battery type like MorningStar's other controllers. It's dimensions are 2.5" x 2.0" x 1.5" and it weighs just 3 oz. Features Eight versions available 12 and 24 volts 6, 10 and 20 amps 100% solid state Series design (not shunt) True 0 to 100% PWM duty cycle Setpoint accuracy to 35 mV Rated for 25% overloads Fully encapsulated in epoxy potting Marine rated terminals / anodized case Temperature compensation Sealed / Flooded battery select No need to derate Parallel for 40 amps or more Green charging / Red LVD indicators