MorningStar ProStar PS-15M-48V (15 Amp) 48 Volt With Meter Solar Controller. Morningstar's ProStar PS-15M is the world's leading mid-range solar controller for both professional and consumer applications. This second generation ProStar adds new features and protections using highly advanced technology, provides longer battery life and improved system performance, and sets new standards for reliability and self-diagnostics. MorningStar's products are built from the inside out to deliver more than twice the industry average operating life.
