The Morningstar SunSaver 6-12V Charge Controller The MorningStar SunSaver line of controllers (8 models in all) have built-in temperature compensation, they are epoxy encapsulated, but are not outdoor rated since they have an exposed front mounted 7 position terminal strip. Units are available for 12 or 24V systems ranging in amperage capacity from 6-20 amps. 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