MorningStar TriStar TS-60 (60 Amp) Solar Charge Controller. Morningstar's TriStar TS-60 is a three-function controller that provides reliable solar battery charging, load control or diversion regulation. The controller operates in one of these modes at a time and two or more controllers may be used to provide multiple functions. The TriStar uses advanced technology and automated production to provide exciting new features at a competitive cost. The optional TriStar meter is the most sophisticated and informative controller meter on the market. The controller is UL listed and is designed for both solar home systems and professional applications.MorningStar's products are built from the inside out to deliver more than twice the industry average operating life.