Morningstar EcoBoost MPPT 20 Amp Solar Controller, 5 Year Warranty The NEW EcoBoost MPPT is a Maximum Power Point Tracking (MPPT) solar charge controller within Morningstars Essential Series This controller was developed for residential and leisure consumer applications where an MPPT controller is desired to provide additional power and accommodations for modules that are not supported by other types of controllers Metered and non-metered versions of this product are available at 20, 30, and 40 amp charge ratings for 12 and 24 volt battery systems Two USB-A ports for charging multiple mobile phones/tablets 3 Amps of USB charging capacity Metered and non-metered versions Four stage battery charging Dusk til dawn lighting control Load control Electronic and environmental protections Wide operating temperature range